Hp Surestore Disk Array 12h and FC60 Instrukcja Użytkownika Strona 1

This manual was downloaded from http://www.hp.com/support/fc60/HP SureStore E Disk Array FC60Advanced User’s GuideEdition E1200 Printed in U.S.A.hpHH

10 Attaching Power Cords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183Attaching SCSI Cable

100 Recommended Disk Array ConfigurationsTotal Disk Array CapacityThe total capacity provided by the disk array depends on the number and capac

For high-availability, one disk per SCSI channel is used as a global hot spare. 101Topology and Array PlanningFor high-availability, one disk pe

102 Topologies for HP-UXTopologies for HP-UXThe topology of a network or a Fibre Channel Arbitrated Loop (Fibre Channel-AL) is the physical lay

Topologies for HP-UX 103Topology and Array PlanningBasic TopologyThe basic topology covers a number of physical implementations of host systems

104 Topologies for HP-UXFor high availability the hosts and disk arrays can be connected in any of the following ways, with each connection of

Topologies for HP-UX 105Topology and Array Planning Figure 35Basic Topology, High Availability Version: Host with Two Fibre Channel I/O Adapters

106 Topologies for HP-UXFigure 36Basic Topology, High Availability Version: Host with Four Fibre Channel I/O AdaptersThe non-high availability

Topologies for HP-UX 107Topology and Array Planningcontroller modules in four disk arrays. Each connection between adapter and controller module

108 Topologies for HP-UXTable 8 Basic Topology Error RecoveryFailing componentContinue after failure What happens and how to recoverDisk modul

Topologies for HP-UX 109Topology and Array PlanningFibre Channel cableNo on path to failed cable;Yes if array has dual controller modules and al

11Contents4 Managing the Disk Array on HP-UXTools for Managing the Disk Array FC60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

110 Topologies for HP-UXSingle-System Distance TopologyEach instance of the single-system distance topology generally uses the following hardwa

Topologies for HP-UX 111Topology and Array Planningchapter for part numbers). Fibre optic cables longer than 100 m must be custom-fabricated for

112 Topologies for HP-UXFigure 38 illustrates the single-system distance topology with one host with two Fibre Channel I/O adapters and three d

Topologies for HP-UX 113Topology and Array PlanningTable 9 Single-System Distance Topology Error RecoveryFailing componentContinue after failur

114 Topologies for HP-UXFibre Channel I/O adapterNo on path to failed adapter; Yes if array has dual controller modules and alternate paths hav

Topologies for HP-UX 115Topology and Array PlanningHigh Availability TopologyThe high availability topology increases the availability of the si

116 Topologies for HP-UXBecause each HP Fibre Channel-AL Hub has ten ports, either two host adapters and eight controller modules or four host

Topologies for HP-UX 117Topology and Array PlanningFigure 39High Availability Topology

118 Topologies for HP-UXTable 10 High Availability Topology Error RecoveryFailing componentContinue after failure What happens and how to reco

Topologies for HP-UX 119Topology and Array PlanningFibre Channel cableNo on path to failed cable;Yes if array has dual controller modules and al

12 Managing the Disk Array Using Array Manager 60. . . . . . . . . . . . . . . . . . . . . . . . . .276Command Syntax Conventions. . . . . . .

120 Topologies for HP-UXHigh Availability, Distance, and Capacity TopologyThe high availability, distance, and capacity topology expands on the

Topologies for HP-UX 121Topology and Array PlanningSupported cable lengths for each segment of the Fibre Channel-AL include 2 m, 16 m, 50 m, 100

122 Topologies for HP-UXFigure 40High Availability, Distance, and Capacity Topology

Topologies for HP-UX 123Topology and Array Planning Table 11 High Availability, Distance, and Capacity Topology Error RecoveryFailing component

124 Topologies for HP-UXFibre Channel cableNo on path to failed cable;Yes if array has dual controller modules and alternate paths have been co

Topologies for HP-UX 125Topology and Array PlanningCampus TopologyThe campus topology uses the same hardware components as the high availability

126 Topologies for HP-UX Figure 41Campus Topology

Topologies for HP-UX 127Topology and Array PlanningTable 12 Campus Topology Error Recovery Failing componentContinue after failure What happen

128 Topologies for HP-UXFibre Channel cableNo on path to failed cable;Yes if array has dual controller modules and alternate paths have been co

Topologies for HP-UX 129Topology and Array PlanningPerformance Topology with SwitchesPrevious topologies use Fibre Channel HUBs for interconnect

13ContentsSupport Tools Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .347STM User Inte

130 Topologies for HP-UXFigure 43Four Hosts Connected to Cascaded Switches

Topologies for Windows NT and Windows 2000 131Topology and Array PlanningTopologies for Windows NT and Windows 2000The topology of a network or

132 Topologies for Windows NT and Windows 2000Figure 44An Unsupported Single-Hub TopologyUnsupported Windows TopologyBecause this topology prov

Topologies for Windows NT and Windows 2000 133Topology and Array PlanningNon-High Availability TopologiesFigure 45 through Figure 47 illustrate

134 Topologies for Windows NT and Windows 2000Figure 45Four Host/Single Hub/ Single Disk Array Non-HA Topology

Topologies for Windows NT and Windows 2000 135Topology and Array PlanningFigure 46Four Host/Cascaded Hubs/ Dual Disk Array Non-HA Topology

136 Topologies for Windows NT and Windows 2000Figure 47Four Host/Single Switch/ Dual Disk Array Non-HA Topology

Topologies for Windows NT and Windows 2000 137Topology and Array PlanningHigh Availability TopologiesFigure 48 through Figure 51 illustrate high

138 Topologies for Windows NT and Windows 2000Figure 48Direct Connect Single Host/Single Disk Array HA Topology

Topologies for Windows NT and Windows 2000 139Topology and Array PlanningFigure 49Dual Host/Dual Hub/Four Disk Array HA Topology

14 Disk Enclosure Fan Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .392Disk Enclosure Power Supply M

140 Topologies for Windows NT and Windows 2000Figure 50Four Host/Dual Hub/Dual Disk Array HA Topology

Topologies for Windows NT and Windows 2000 141Topology and Array PlanningFigure 51Four Host/Dual Cascaded-Hubs/Four Disk Array HA Topology

142 Topologies for Windows NT and Windows 2000

Installation1433INSTALLATIONHost System Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145Site

144 OverviewOverview This chapter explains how to install the Disk Array FC60 enclosures into a cabinet and how to configure and connect the co

Host System Requirements 145InstallationHost System RequirementsHP-UXThe Disk Array FC60 is supported on the following host configurations:•Supp

146 Host System RequirementsFibre Channel I/O AdaptersThe host must have the correct adapter installed. The supported host adapters are listed

Site Requirements 147InstallationSite RequirementsEnvironmental RequirementsThe area around the array must be cooled sufficiently so it does not

148 Site Requirements * In-rush current occurs for 10 to 12 milliseconds Table 14 Total Operating and In-Rush Currents Oper

Site Requirements 149Installation * In-rush current occurs for 10 to 12 millisecondsHP recommends the use of magnetic-type circuit breakers, wh

15ContentsAC Power:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .425DC Power

150 Power Distribution Units (PDU/PDRU)Power Distribution Units (PDU/PDRU)PDUs provide a sufficient number of receptacles for a large number of

Power Distribution Units (PDU/PDRU) 151InstallationThe following tables show recommended PDU/PDRU combinations for one or more components in a r

152 Power Distribution Units (PDU/PDRU)Installing PDUs Choose PDU/PDRU locations with the following guidelines in mind:•Place PDU/PDRUs within

Power Distribution Units (PDU/PDRU) 153Installation Figure 52PDU Placement in 1.6-Meter RackPDU 16 Amp or PDRU 30 AmpPDU 16 Amp or PDRU 30 Am

154 Power Distribution Units (PDU/PDRU) Figure 53PDRU Placement in 2.0-Meter RackPDU (16 Amp)or PDRU (30 Amp)PDU (16 Amp) or PDRU (30 Amp)

Installing the Disk Array FC60 155InstallationInstalling the Disk Array FC60NoteThe A5277AZ factory assembled disk array is fully configured and

156 Installing the Disk Array FC60Table 21 EIA Spacing for Racks and Array Enclosures NoteIMPORTANT: When installing an enclosure in a rack, i

Installing the Disk Array FC60 157Installationinstallation to utilize 1/2 EIA units available from the disk system SC10’s 3.5 EIA unit height.Fi

158 Installing the Disk Array FC60 Figure 54Enclosure EIA Positions for System/E Racks

Installing the Disk Array FC60 159Installation Figure 55Enclosure EIA Positions for Legacy Cabinets

16

160 Installing the Disk EnclosuresInstalling the Disk Enclosures Disk enclosures should be installed in the rack starting at the bottom and pro

Installing the Disk Enclosures 161Installation Figure 56Disk Enclosure Contents

162 Installing the Disk EnclosuresStep 3: Install Mounting RailsSelect the rail kit for the appropriate rack and follow the instructions includ

Installing the Disk Enclosures 163Installation Figure 57Mounting the Disk Enclosure (Rack System/E shown)A Front Mounting Ears C RailB Chassi

164 Installing the Disk EnclosuresCAUTIONTo protect the door, do not lift or move the disk enclosure with the door open.3. Unlock and open the

Installing the Disk Enclosures 165Installation7. If using an HP rack, fasten the back of the disk enclosure to the rails using the rear hold-dow

166 Installing the Disk EnclosuresStep 5: Install Disks and FillersCAUTIONTouching exposed areas on the disk can cause electrical discharge and

Installing the Disk Enclosures 167Installation1. Open the disk enclosure door.2. Put on the ESD strap (provided with the accessories) and insert

168 Installing the Disk Enclosures6. Open the cam latch (C Figure 60) by pulling the tab toward you.7. Align the disk insertion guide (F) with

Installing the Disk Enclosures 169InstallationNoteWhat if LUN 0 is on disks in the enclosure?If any of the disks in the enclosure are part of LU

Product Description171 PRODUCT DESCRIPTION Product Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

170 Installing the ControllerInstalling the ControllerThis procedure describes how to install the Disk Array FC60 controller enclosure into an

Installing the Controller 171Installation Table 23 Controller Package ContentsFigure Label Part Description (See)A Controller chassis with pre

172 Installing the Controller Figure 62Controller Enclosure Package Contents

Installing the Controller 173InstallationStep 3: Install Mounting Rails Select the rail kit for the appropriate rack and follow the instructions

174 Installing the Controller Figure 63Mounting the Controller Enclosure

Installing the Controller 175Installation5. If installing in an HP rack, secure the back of the enclosure to the rails using the two rail clamps

176 Configuration SwitchesConfiguration Switches This section describes the configuration switches on the controller enclosure and the disk e

Configuration Switches 177InstallationNoteNote that one BCC is inverted with respect to the other. Thus, the settings on one BCC appear as inve

178 Configuration Switches Full-Bus/Split-Bus (Switch 1) Configuration The disk enclosure’s internal bus connects the disk drives togeth

Configuration Switches 179Installationa low range of IDs (0, 1, 2, 3, and 4) and a high range of IDs (8, 9, 10, 11, and 12). (BCCs are also prov

18 Product DescriptionProduct DescriptionThe HP SureStore E Disk Array FC60 (Disk Array FC60) is a disk storage system that features high data

180 Configuration Switchescontroller module A (Fibre Channel connector J3) and Host ID BD2 SW2 selects the address for controller module B (Fib

Configuration Switches 181Installation Figure 65Fibre Channel Connectors and Fibre Channel Host (Loop) ID SwitchesNoteOccasionally two or more

182 Configuration Switches. Table 26 Fibre Channel AddressesDecimal Binary Decimal Binary Decimal Binary Decimal Binary0123456789101112131415

Attaching Power Cords 183InstallationAttaching Power CordsEach enclosure (controller and disk enclosures) contains dual power supplies that must

184 Attaching Power Cordsletters among all disk enclosures. “Cascading” refers to overload faults that occur on a backup PDU as a result of pow

Attaching Power Cords 185Installation Figure 66Wiring Scheme for 1.6-Meter RackAAAAAC INBBBBCCCCAC INDDDD30A PDRU 30A PDRUADADACACBCBCBDBD

186 Attaching Power Cords Figure 67Wiring Scheme for 2.0-Meter RackAEAFAGBEBFBHCFCGCHDGDHAAAAAC INBBBBCCCCAC INDDDDEEEEAC INFFFFGGGGAC INHHHH

Attaching SCSI Cables and Configuring the Disk Enclosure Switches 187InstallationAttaching SCSI Cables and Configuring the Disk Enclosure Switch

188 Attaching SCSI Cables and Configuring the Disk Enclosure SwitchesFull-Bus Cabling and Switch ConfigurationCabling for a full bus configura

Attaching SCSI Cables and Configuring the Disk Enclosure Switches 189Installation Figure 68Full Bus BCC Configuration Switch SettingsSegment 1 s

Product Description 19Product DescriptionFigure 1HP SureStore E Disk Array FC60 (Controller with Six Disk Enclosures)SureStore E Disk System SC1

190 Attaching SCSI Cables and Configuring the Disk Enclosure Switches Figure 69Full-Bus CablingSCSI terminator required here

Attaching SCSI Cables and Configuring the Disk Enclosure Switches 191InstallationSplit-Bus Switch and Cabling ConfigurationsSplit-bus cabling re

192 Attaching SCSI Cables and Configuring the Disk Enclosure SwitchesFigure 70Split- Bus Configuration Switch Settings Tray ID set to unique va

Attaching SCSI Cables and Configuring the Disk Enclosure Switches 193Installation Figure 71Split-Bus CablingSCSI terminatorsrequired on bothBCC

194 Attaching SCSI Cables and Configuring the Disk Enclosure SwitchesBus Addressing ExamplesEach disk module within the disk array is identifie

Attaching SCSI Cables and Configuring the Disk Enclosure Switches 195Installation Figure 73Full-Bus Addressing Example This disk is on channel 4

196 Connecting the Fibre Channel CablesConnecting the Fibre Channel CablesFibre Channel cables provide the I/O path to the disk array. The Fibr

Connecting the Fibre Channel Cables 197InstallationFigure 74MIA, RFI Gasket, and Fibre Channel Installation3. Connect the Fibre Channel connecto

198 Applying Power to the Disk ArrayApplying Power to the Disk Array Once the hardware installation is complete, the disk array can be powered

Applying Power to the Disk Array 199InstallationFigure 75Disk Enclosure Power Switch and System LEDs 3. Check the LEDs on the front of the disk

2Notice© Hewlett-Packard Company, 1999, 2000. All rights reserved.Hewlett-Packard Company makes no warranty of any kind with regard to this document,

20 Product DescriptionOperating System SupportThe Disk Array FC60 is currently supported on the following operating systems:•HP-UX 11.0, 11.11,

200 Applying Power to the Disk ArrayFigure 76Controller Enclosure Power Switches5. Check the controller enclosure LEDs (see Figure 78). The Pow

Applying Power to the Disk Array 201InstallationTable 27 Normal LED Status for the Disk Enclosure Module LED Normal State Front

202 Applying Power to the Disk Array Figure 77Disk Enclosure LEDs A System fault LEDB System power LEDC Disk activity LEDD Disk fault LED

Applying Power to the Disk Array 203InstallationTable 28 Normal LED Status for Controller EnclosureModule LED Normal StateController EnclosureP

204 Applying Power to the Disk ArrayFigure 78Controller Enclosure LEDs A Power On LEDB Power Fault LEDC Fan Fault LEDD Controller Fault LEDE Fa

Applying Power to the Disk Array 205InstallationPowering Down the Array When powering down the disk array, the controller enclosure should be p

206 Verifying Disk Array ConnectionVerifying Disk Array ConnectionOn Windows NT and Windows 2000The HP Storage Manager 60 software is used to v

Verifying Disk Array Connection 207InstallationFigure 79IOSCAN OutputClass I H/W Path Driver State H/W Type Description

208 Verifying Disk Array ConnectionInterpreting Hardware Paths Each component on the disk array is identified by a unique hardware path. The in

Verifying Disk Array Connection 209InstallationThe port value will always be 255 when using PDA. The loop address, Fibre Channel Host ID of the

Product Description 21Product Description•RAID levels 0, 1, 0/1, 3, and 5 (RAID level 3 supported on Windows NT and Windows 2000 only)•EMS hardw

210 Verifying Disk Array ConnectionVSA is an enhancement that increases the number of LUNs that can be addressed on a fibre channel disk array

Verifying Disk Array Connection 211InstallationThe following information is returned:SCSI describe of dev/rdsk/c9t1d0 vendor: hpproduct: idtype:

212 Verifying Disk Array ConnectionA quick way to determine the LUN number is to multiply the value of the next-to-last segment times 8, and ad

Installing the Disk Array FC60 Software (HP-UX Only) 213InstallationInstalling the Disk Array FC60 Software (HP-UX Only)Once the disk array hard

214 Installing the Disk Array FC60 Software (HP-UX Only)Verifying the Operating SystemThe Disk Array FC60 is supported on the following operati

Installing the Disk Array FC60 Software (HP-UX Only) 215Installationswlist 3. Execute the following command to create the required device files

216 Configuring the Disk ArrayConfiguring the Disk Array HP-UXAfter installing the disk array software, the following steps must be performed

Configuring the Disk Array 217InstallationStep 3. Reformat Disk Array MediaCAUTIONThis step will destroy all data on the disk array and remove a

218 Configuring the Disk ArrayStep 5. Replace LUN 0 LUN 0 was created solely to allow the host to communicate with the disk array when it is fi

Configuring the Disk Array 219Installationsettings on the host to ensure valid time stamps. This ensures that any information created by the dis

22 Product Descriptionmodules. This provides a storage capacity range from 36 Gbytes to over 3 Tbytes of usable storage.LED Status MonitoringBo

220 Configuring the Disk Array•For more information, see "Adding a Global Hot Spare" on page 296•To use SAM, see "Adding a Globa

Configuring the Disk Array 221Installation6. Set up storage partitions if this premium feature is enabled.7. Set the disk array controller clock

222 Using the Disk Array FC60 as a Boot Device (HP-UX Only)Using the Disk Array FC60 as a Boot Device (HP-UX Only)The Disk Array FC60 is suppor

Solving Common Installation Problems 223InstallationSolving Common Installation ProblemsProblem. When performing an ioscan, the host sees the di

224 Adding Disk Enclosures to Increase CapacityAdding Disk Enclosures to Increase CapacityScalability is an important part of the design of the

Adding Disk Enclosures to Increase Capacity 225Installation•Consider Adding More Than One Disk Enclosure - Because the process of adding disk en

226 Adding Disk Enclosures to Increase Capacity2. Identify the expanded disk array layout by performing the following tasks:a. Create a detaile

Adding Disk Enclosures to Increase Capacity 227InstallationCAUTIONDo not proceed to the next step if any LUN is not in an optimal state and you

228 Adding Disk Enclosures to Increase Capacity5. Configure the necessary disk enclosures for full-bus operation. See "Configuration Switc

Adding Disk Enclosures to Increase Capacity 229Installation8. Set the disk Enclosure (Tray) ID switches. See "Disk Enclosure (Tray) ID Swit

Disk Enclosure Components 23Product DescriptionDisk Enclosure ComponentsThe SureStore E Disk System SC10, or disk enclosure, is a high availabil

230 Adding Disk Enclosures to Increase CapacityStep 5. Completing the ExpansionCAUTIONThe disk array components must be powered up in the speci

Adding Disk Enclosures to Increase Capacity 231Installationtaken not to cross the cables, as this may cause problems with applications that depe

232 Adding Disk Enclosures to Increase CapacityCapacity Expansion ExampleAn example of expanding an Disk Array FC60 is shown in Figure 83. In t

Adding Disk Enclosures to Increase Capacity 233InstallationFigure 83Capacity Expansion ExampleDisks are moved to the slotthat corresponds to the

234 Adding Disk Enclosures to Increase Capacity

Adding Disk Enclosures to Increase Capacity 235InstallationFigure 84Capacity Expansion MapFull-bus IDsFull-bus IDsFull-bus IDsFull-bus IDs 00008

236 Adding Disk Enclosures to Increase CapacityFull-bus IDsFull-bus IDsFull-bus IDsFull-bus IDs 0000888811119999222210101010 333311111111 44441

Managing the Disk Array on HP-UX2374 MANAGING THE DISK ARRAY ON HP-UX Tools for Managing the Disk Array FC60 . . . . . . . . . . . . . . . . . . . . .

238 Tools for Managing the Disk Array FC60Tools for Managing the Disk Array FC60NoteOn Windows NT and Windows 2000, the disk array is managed u

Tools for Managing the Disk Array FC60 239Managing the Disk Array on HP-UXTable 30 Management Tools and Tasks Task ToolSAM Array Manager 60 ST

24 Disk Enclosure Components Figure 2 Disk Enclosure Components, Exploded ViewFan ModulesBCC ModulesPower Supply Modules(Front Door Not Shown)

240 Installing the Array Manager 60 SoftwareInstalling the Array Manager 60 SoftwareThe Array Manager 60 software must be installed on the host

Installing the Array Manager 60 Software 241Managing the Disk Array on HP-UXAM60Srvr DaemonThe AM60Srvr daemon is the server portion of the Arra

242 Managing Disk Array CapacityManaging Disk Array CapacityDuring installation, a LUN structure is created on the disk array. This structure m

Managing Disk Array Capacity 243Managing the Disk Array on HP-UXSelecting Disks for a LUNWhen binding a LUN , you must select the disks that wi

244 Managing Disk Array CapacitySelecting disks in the incorrect order of 1:2, 2:2, 1:3, and 2:3 results in mirrored pairs of 1:2/1:3 and 2:2/2

Managing Disk Array Capacity 245Managing the Disk Array on HP-UXinternal management of enclosure components.) If the disk enclosure is configur

246 Managing Disk Array CapacityFigure 86Disk Module Addressing Parameters01 2 3456 789Slot Numbers012348 9 10 11 12SCSI IDsDisk enclosure ID s

Managing Disk Array Capacity 247Managing the Disk Array on HP-UXAssigning LUN Ownership When a LUN is bound, you must identify which disk

248 Managing Disk Array Capacitythe RAID level used by a LUN, you must unbind the LUN and rebind it using the new RAID level. With the exceptio

Managing Disk Array Capacity 249Managing the Disk Array on HP-UX•If you choose to limit the number of global hot spares, make sure you are able

Disk Enclosure Components 25Product DescriptionOperation FeaturesThe disk enclosure is designed to be installed in a standard 19-inch rack and o

250 Managing Disk Array CapacityEvaluating Performance ImpactSeveral disk array configuration settings have a direct impact on I/O performance

Managing Disk Array Capacity 251Managing the Disk Array on HP-UXSetting: Cache flush threshold (default 80%)Function: Sets the level at which th

252 Managing Disk Array CapacitySetting: Cache flush limit (default 100%)Function: Determines how much data will remain in write cache when flu

Managing Disk Array Capacity 253Managing the Disk Array on HP-UXFigure 87Cache Flush Threshold ExampleWrite DataWrite DataWrite Data80%80%80%Cac

254 Adding Capacity to the Disk ArrayAdding Capacity to the Disk ArrayAs your system storage requirements grow, you may need to increase the ca

Adding Capacity to the Disk Array 255Managing the Disk Array on HP-UX2. Bind a LUN with the new disks using the management tool of your choice,:

256 Adding Capacity to the Disk ArrayAdding Additional Disk EnclosuresAdding additional disk enclosures is another way to increase the capacity

Adding Capacity to the Disk Array 257Managing the Disk Array on HP-UX6. Bind a LUN with the new disks using the management tool of your choice:–

258 Upgrading Controller Cache to 512 Mbytes Upgrading Controller Cache to 512 MbytesController cache can be upgraded from the standard 256 Mb

Upgrading Controller Cache to 512 Mbytes 259Managing the Disk Array on HP-UXTable 32 Controller Cache Upgrade Kit SelectionInitial controller

26 Disk Enclosure Components Figure 3Disk Enclosure Front and Back ViewPower Switch The power switch (B in Figure 3) interrupts power from t

260 Managing the Disk Array Using SAMManaging the Disk Array Using SAMMost of the tasks involved in everyday management of the disk array can b

Managing the Disk Array Using SAM 261Managing the Disk Array on HP-UXChecking Disk Array StatusAll aspects of disk array operation are continual

262 Managing the Disk Array Using SAM3. Select a controller for the appropriate disk array from the Disk Devices list.4. Select the Actions men

Managing the Disk Array Using SAM 263Managing the Disk Array on HP-UXGeneral disk array status displayed hereClick hereClick hereClick hereClick

264 Managing the Disk Array Using SAMInterpreting Status IndicatorsA common set of colored status indicators are used to convey the current ope

Managing the Disk Array Using SAM 265Managing the Disk Array on HP-UX4. Select the Actions menu, the Disk Array Maintenance menu option, then Mo

266 Managing the Disk Array Using SAM5. Click the Disk Module Status button. The Disk Status window is displayed. Select the option to flash LE

Managing the Disk Array Using SAM 267Managing the Disk Array on HP-UX6. Select the disk you want to identify. A check mark will appear on the se

268 Managing the Disk Array Using SAMTo bind a LUN:1. On the main SAM screen, double-click the Disks and File Systems icon.2. On the Disks and

Managing the Disk Array Using SAM 269Managing the Disk Array on HP-UXOrder of selected disks displayed hereSelectunassigneddisks for anew LUN

Disk Enclosure Components 27Product DescriptionDisk Enclosure SC10 Modules The disk enclosure hot-swappable modules include the following:•Disks

270 Managing the Disk Array Using SAM5. Click the LUN # button and select the desired number for the LUN. You can also enter the LUN number dir

Managing the Disk Array Using SAM 271Managing the Disk Array on HP-UXUnbinding a LUNUnbinding a LUN makes its capacity available for the creatio

272 Managing the Disk Array Using SAMNoteCan I replace any LUN on the disk array?Yes. In addition, the replace command is the only way you can

Managing the Disk Array Using SAM 273Managing the Disk Array on HP-UXAdding a Global Hot SpareGlobal hot spares provide an additional level of p

274 Managing the Disk Array Using SAMUnassigneddisksselected as hot spares

Managing the Disk Array Using SAM 275Managing the Disk Array on HP-UX5. Select the disk to be used as a global hot spare.Only unassigned disks,

276 Managing the Disk Array Using Array Manager 60Managing the Disk Array Using Array Manager 60 The Array Manager 60 command line utilities al

Managing the Disk Array Using Array Manager 60 277Managing the Disk Array on HP-UXDisk Array ConfigurationAssigning an Alias to the Disk Arrayam

278 Managing the Disk Array Using Array Manager 60Table 34 Array Manager 60 Command Summary Command Tasksamcfg Binding a LUNUnbinding a LUNCha

Managing the Disk Array Using Array Manager 60 279Managing the Disk Array on HP-UXCommand Syntax ConventionsThe following symbols are used in th

28 Disk Enclosure Components Figure 4Disk ModuleDisks fit snugly in their slots. The cam latch (B in Figure 4) is used to seat and unseat th

280 Managing the Disk Array Using Array Manager 60Selecting a Disk Array and Its ComponentsWhen using Array Manager 60, you must select the dis

Managing the Disk Array Using Array Manager 60 281Managing the Disk Array on HP-UXPreparing to Manage the Disk ArrayBefore you begin using Array

282 Managing the Disk Array Using Array Manager 60Checking Disk Array StatusAn important part of managing the disk array involves monitoring it

Managing the Disk Array Using Array Manager 60 283Managing the Disk Array on HP-UXCommand ExampleThe following example all status information fo

284 Managing the Disk Array Using Array Manager 60Figure 88Disk Array Sample Status Output (amdsp)Vendor ID = HPProduct ID =

Managing the Disk Array Using Array Manager 60 285Managing the Disk Array on HP-UXVendor ID = HPProduct ID = A5277AArray ID

286 Managing the Disk Array Using Array Manager 60Information for Controller A - 000A00A0B80673A6: Controller Status = GOOD Controller Mo

Managing the Disk Array Using Array Manager 60 287Managing the Disk Array on HP-UXVendor ID = HPProduct ID = A5277AArray ID

288 Managing the Disk Array Using Array Manager 60Listing Disk Array IDsYou may find it useful to list the disk arrays recognized by the host.

Managing the Disk Array Using Array Manager 60 289Managing the Disk Array on HP-UXManaging LUNsUsing Array Manager 60 you can perform the follow

Disk Enclosure Components 29Product DescriptionBCCs Two Backplane Controller Cards, BCCs, control the disks on one or two buses according to the

290 Managing the Disk Array Using Array Manager 60•RAIDlevel - RAID level used for the LUN. Valid RAID levels are 0, 1, and 5. RAID 0 support r

Managing the Disk Array Using Array Manager 60 291Managing the Disk Array on HP-UXCommand ExamplesThe following example binds a 5-disk, RAID 5 L

292 Managing the Disk Array Using Array Manager 60Identifying DisksBinding a LUN requires the use of unassigned disks. If you are not sure whic

Managing the Disk Array Using Array Manager 60 293Managing the Disk Array on HP-UXUnbinding a LUNUnbinding a LUN makes its capacity available fo

294 Managing the Disk Array Using Array Manager 60NoteDoes the primary path selected using LVM impact LUN ownership?Yes. The primary path estab

Managing the Disk Array Using Array Manager 60 295Managing the Disk Array on HP-UXTo replace a LUN, type:amcfg -R <cntrlrID>:<LUN> -

296 Managing the Disk Array Using Array Manager 60Adding a Global Hot SpareA global hot spare is added using an unassigned disk. If there are n

Managing the Disk Array Using Array Manager 60 297Managing the Disk Array on HP-UXManaging Disk Array ConfigurationAssigning an Alias to the Dis

298 Managing the Disk Array Using Array Manager 60Managing the Universal Transport Mechanism (UTM)On firmware HP08 and later, the Universal Tra

Managing the Disk Array Using Array Manager 60 299Managing the Disk Array on HP-UXNoteAfter executing the above command, the disk array controll

3Format ConventionsDenotesWARNINGA hazard that can cause personal injuryCaution A hazard that can cause hardware or software damageNote Significant c

30 Disk Enclosure ComponentsEach BCC provides two LVD SCSI ports (B in Figure 5) for connection to the controller enclosure.The EEPROM on each

300 Managing the Disk Array Using Array Manager 60see Table 31 on page 250 for details on what performance impact altering these settings may h

Managing the Disk Array Using Array Manager 60 301Managing the Disk Array on HP-UXSetting the Cache Flush LimitSets the amount of unwritten data

302 Managing the Disk Array Using Array Manager 60Disabling Disk Module Write Cache Enable (WCE)NoteTo ensure optimum protection against data l

Managing the Disk Array Using Array Manager 60 303Managing the Disk Array on HP-UXEnabling Disk Write Cache Enable (WCE)CAUTIONWCE should only b

304 Managing the Disk Array Using Array Manager 60Performing Disk Array MaintenanceAt some point during operation of the disk array, you may ne

Managing the Disk Array Using Array Manager 60 305Managing the Disk Array on HP-UXManaging the Rebuild ProcessIf a disk fails, the disk array au

306 Managing the Disk Array Using Array Manager 60•amount identifies the number of blocks to rebuild at a time. This value can be from 1 to 64K

Managing the Disk Array Using Array Manager 60 307Managing the Disk Array on HP-UXA parity scan compares the data and its associated parity to e

308 Managing the Disk Array Using Array Manager 60previous firmware releases are logged in the major event log. Earlier versions of firmware (p

Managing the Disk Array Using Array Manager 60 309Managing the Disk Array on HP-UXViewing Disk Array LogsTo display the disk array controller lo

Disk Enclosure Components 31Product DescriptionFansRedundant, hot-swappable fans provide cooling for all enclosure components. Each fan has two

310 Managing the Disk Array Using Array Manager 60actual ArrayID must be used here. An alias cannot be used because alias names are not recorde

Managing the Disk Array Using Array Manager 60 311Managing the Disk Array on HP-UX FRU State = FailedDecoded SCSI Sense:Non-media

312 Managing the Disk Array Using Array Manager 60To purge the oldest log file in the host directory, type:amutil -p NoteAlways use the amutil

Managing the Disk Array Using Array Manager 60 313Managing the Disk Array on HP-UXNoteThe patches are not currently included on the HP-UX Suppor

314 Managing the Disk Array Using STMManaging the Disk Array Using STMSTM is an online diagnostic tool, but it can be used to perform some of t

Managing the Disk Array Using STM 315Managing the Disk Array on HP-UXUnbinding a LUNThe STM Expert Tool can be used to unbind a LUN. See "U

316 Managing the Disk Array Using STMLocating Disk ModulesThe STM Expert Tool can be used to locate disk modules. to aid in identification. The

Status Conditions and Sense Code Information 317Managing the Disk Array on HP-UXStatus Conditions and Sense Code InformationThe following tables

318 Status Conditions and Sense Code InformationAM60: DEGRADED--REPLACED DISK BEING REBUILTSTM: DEGRADED - 2A rebuild is in progress on the LUN

Status Conditions and Sense Code Information 319Managing the Disk Array on HP-UXDisk Status ConditionsThe disk status condition terminology used

32 Disk Enclosure ComponentsPower SuppliesRedundant, hot-swappable 450-watt power supplies convert wide-ranging AC voltage from an external mai

320 Status Conditions and Sense Code InformationAM60: READ FAILEDSTM: FLT - 19The disk array could not read from the disk.Replace the failed di

Status Conditions and Sense Code Information 321Managing the Disk Array on HP-UXComponent Status ConditionsComponent status conditions are organ

322 Status Conditions and Sense Code InformationFRU CodesThe FRU codes indicate which disk array component is responsible for the log entry. Lo

Status Conditions and Sense Code Information 323Managing the Disk Array on HP-UX0x08 Disk Enclosure Group - comprises attached disk enclosures.

324 Status Conditions and Sense Code InformationController Enclosure Group FRU Code QualifierWhen the Controller Enclosure group is identified

Status Conditions and Sense Code Information 325Managing the Disk Array on HP-UXComponent ID Value Component0 Unspecified1Device2 Power Supply3

326 Status Conditions and Sense Code InformationDisk Enclosure Group FRU Code QualifierWhen the Disk Enclosure group is identified (FRU Code =

Status Conditions and Sense Code Information 327Managing the Disk Array on HP-UXSCSI Sense CodesTable 44 lists the SCSI sense codes that may be

328 Status Conditions and Sense Code Information0C 00If the accompanying sense key = 4, error is interrupted as follows:Unrecovered Write Error

Status Conditions and Sense Code Information 329Managing the Disk Array on HP-UX11 00 Unrecovered Read ErrorAn unrecovered read operation to a d

Disk Enclosure Components 33Product DescriptionPower supplies share the load reciprocally; that is, each supply automatically increases its outp

330 Status Conditions and Sense Code Information21 00 Logical Block Address Out of RangeThe controller received a command that requested an ope

Status Conditions and Sense Code Information 331Managing the Disk Array on HP-UX29 04 Device Internal ResetThe controller has reset itself due t

332 Status Conditions and Sense Code Information2F 00 Commands Cleared by Another InitiatorThe controller received a Clear Queue message from a

Status Conditions and Sense Code Information 333Managing the Disk Array on HP-UX3F 8N Drive No Longer Usable.The controller has set a drive to a

334 Status Conditions and Sense Code Information3F BD The controller has detected a drive with Mode Select parame-ters that are not recommended

Status Conditions and Sense Code Information 335Managing the Disk Array on HP-UX3F D0 Write Back Cache Battery Has Been DischargedThe controller

336 Status Conditions and Sense Code Information40 NN Diagnostic Failure on Component NN (0x80 - 0xFF)The controller has detected the failure o

Status Conditions and Sense Code Information 337Managing the Disk Array on HP-UX44 00 Internal Target FailureThe controller has detected a hardw

338 Status Conditions and Sense Code Information49 80 Drive Reported Reservation ConflictA drive returned a status of reservation conflict.4B 0

Status Conditions and Sense Code Information 339Managing the Disk Array on HP-UX85 01 Drive IO Request AbortedIO Issued to Failed or Missing dri

34 Array Controller Enclosure ComponentsArray Controller Enclosure Components The array controller enclosure, like the disk enclosure, consists

340 Status Conditions and Sense Code Information8B 02 Quiescence Is In Progress or Has Been Achieved8B 03 Quiescence Could Not Be Achieved With

Status Conditions and Sense Code Information 341Managing the Disk Array on HP-UX91 36 Command Lock ViolationThe controller received a Write Buff

342 Status Conditions and Sense Code Information95 02 Controller Removal/Replacement Detected or Alternate Con-troller Released from ResetThe c

Status Conditions and Sense Code Information 343Managing the Disk Array on HP-UXA6 00 Recovered processor memory failureThe controller has detec

344 Status Conditions and Sense Code InformationE0 20/21 Fibre Channel Destination Channel ErrorASCQ = 20: Indicates redundant path is not avai

HP-UX Diagnostic Tools3455 HP-UX DIAGNOSTIC TOOLSOverview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

346 OverviewOverviewSTM (Support Tools Manager) is the primary diagnostic tool available for the Disk Array FC60. For diagnosing problems, STM

Support Tools Manager 347HP-UX Diagnostic ToolsSupport Tools ManagerThe STM host-based utility provides capability for managing the Disk Array F

348 Support Tools Managerxstm — the X Windows Interface xstm is the X-Windows screen-based STM interface. Because it is the easiest to use, xst

Support Tools Manager 349HP-UX Diagnostic Toolsmstm — the Menu-based Interfacemstm is the menu-based STM interface. It serves as an alternate in

Array Controller Enclosure Components 35Product Description Figure 8Controller Enclosure Exploded View During operation, controller enclosure s

350 Support Tools ManagerFigure 90mstm Interface Main Window

Support Tools Manager 351HP-UX Diagnostic ToolsSTM ToolsThe STM tools available for use with the HP SureStore E Disk Array FC60 are listed in Ta

352 Support Tools ManagerUsing the STM Information ToolThe STM Information Tool gathers status and configuration information about the selected

Support Tools Manager 353HP-UX Diagnostic ToolsRunning Information Tool in Menu Mode 1. At the system prompt:– Type mstm– Select Ok2. To select

354 Support Tools ManagerInterpreting the Information Tool Information LogThe Information Log contains status and configuration information for

Support Tools Manager 355HP-UX Diagnostic ToolsUsing the STM Expert ToolThe Expert Tool provides the capability to manage the HP SureStore E Dis

356 Support Tools ManagerRunning Expert Tool in Menu Mode1. At the system prompt:– Type mstm– Select Ok2. To select the disk array: – Scroll do

Support Tools Manager 357HP-UX Diagnostic ToolsTable 46 Expert Tool Menus and DescriptionsMenu Option Property DescriptionLogs View Event Log N

358 Support Tools Manager

Troubleshooting3596 TROUBLESHOOTINGIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36 Array Controller Enclosure Components Figure 9Controller Enclosure Front View

360 IntroductionIntroductionThe modular design of the Disk Array FC60 simplifies the isolation and replacement of failed hardware components. M

Introduction 361TroubleshootingAbout Field Replaceable Units (FRUs)The Disk Array FC60 consists of a Controller Enclosure and one or more SureSt

362 IntroductionHP-UX Troubleshooting Tools There are several tools available for troubleshooting the disk array on an HP-UX host. This include

Introduction 363TroubleshootingEMS Monitor Event Severity Levels Each event detected and reported by the EMS monitor is assigned a severity l

364 Introduction•Probable Cause/Recommended Action – The cause of the event and suggested steps toward a solution. This information should be t

Disk Array Installation/Troubleshooting Checklist 365TroubleshootingDisk Array Installation/Troubleshooting ChecklistThe following checklist is

366 Power-Up TroubleshootingPower-Up TroubleshootingWhen the disk array is powered up, each component perform an internal self-test, to ensure

Controller Enclosure Troubleshooting 367TroubleshootingNoteIf no LEDs are ON and the fans are not running, it indicates that no AC power is bein

368 Controller Enclosure TroubleshootingController Enclosure LEDsFigure 92 shows the locations of the status LEDs for the controller enclosure.

Controller Enclosure Troubleshooting 369TroubleshootingTable 48 Normal LED Status for Controller EnclosureModule LED Normal StateController Enc

Array Controller Enclosure Components 37Product Description Figure 10Controller Enclosure Rear ViewFront Cover The controller enclosure has a r

370 Controller Enclosure TroubleshootingMaster Troubleshooting TableTable 49 contains troubleshooting information for the controller enclosure

Controller Enclosure Troubleshooting 371TroubleshootingController enclosure and Fan Fault LED (front cover) are onController enclosure fan failu

372 Controller Enclosure TroubleshootingSoftware errors occur when attempting to access controller or disksA Software function or configuration

Controller Enclosure Troubleshooting 373TroubleshootingController Fan ModuleFan Fault LED is on One or both of the fans in the controller fan mo

374 Controller Enclosure Troubleshooting“Battery Low” error issued by softwarePower turned OFF for extended period and drained battery power.Tu

Controller Enclosure Troubleshooting 375TroubleshootingPower Supply LED (front cover) is onA Power supply module is missing or not plugged in pr

376 SureStore E Disk System SC10 TroubleshootingSureStore E Disk System SC10 TroubleshootingThis section contains information on identifying an

SureStore E Disk System SC10 Troubleshooting 377TroubleshootingFigure 93Disk Enclosure LEDs Table 50 Disk Enclosure LED FunctionsLED State Ind

378 SureStore E Disk System SC10 TroubleshootingBCC Fault AmberSelf-test1 / FaultOFF Normal operationFlashing Peer BCC DIP switch settings do n

SureStore E Disk System SC10 Troubleshooting 379TroubleshootingNoteIt is normal for the amber Fault LED on a component to go on briefly when the

38 Array Controller Enclosure ComponentsController ModulesThe controller enclosure contains one or two controller modules. See Figure 11. These

380 SureStore E Disk System SC10 TroubleshootingIsolating Causes Table 52 lists the probable causes and solutions for problems you may detect o

SureStore E Disk System SC10 Troubleshooting 381TroubleshootingPower Supply LED is amberCritical Amber Critical – An incompatible or defective c

382 SureStore E Disk System SC10 Troubleshooting Peer BCC status, temperature and voltage are Not AvailableMajor Warningnone Both BCCs: Non-cri

Removal and Replacement3837 REMOVAL AND REPLACEMENTOverview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

384 OverviewOverviewThis chapter describes removal and replacement procedures for the disk array hot- swappable modules that are customer repla

Overview 385Removal and ReplacementNoteIs the HP SureStore E Disk Array FC60 customer repairable?Although the modular design of the Disk Array F

386 Disk Enclosure Modules Disk Enclosure Modules This section describes the procedures for replacing the hot swappable modules in the disk enc

Disk Enclosure Modules 387Removal and ReplacementNoteWhen a disk module is replaced, the new disk inherits the group properties of the original

388 Disk Enclosure Modules Figure 94Disk Module Removal Installing a Disk Module or Filler ModuleCAUTIONTouching the disk circuit board can c

Disk Enclosure Modules 389Removal and ReplacementNoteIf the disk module you are installing has been removed from another Disk Array FC60, you sh

Array Controller Enclosure Components 39Product DescriptionEach controller module has ten LEDs. See Figure 12. One LED identifies the controller

390 Disk Enclosure Modules5. Close the cam latch to seat the module firmly into the backplane. An audible click indicates the latch is closed p

Disk Enclosure Modules 391Removal and Replacement Figure 96Disk Module Replacement A handleBcam latchC capacity labelDLEDs

392 Disk Enclosure ModulesDisk Enclosure Fan Module ! Hot Swappable Component!A failed fan module should be replaced as soon as possible. There

Disk Enclosure Modules 393Removal and Replacement Figure 97Disk Enclosure Fan Module Removal and Replacement Installing the Fan Module1. Slid

394 Disk Enclosure ModulesDisk Enclosure Power Supply Module ! Hot Swappable Component!A failed power supply module should be replaced as soon

Disk Enclosure Modules 395Removal and Replacement Figure 98Disk Enclosure Power Supply Module Removal and Replacement Installing the Power Su

396 Controller Enclosure ModulesController Enclosure Modules This section provides removal and replacement procedures for the controller enclos

Controller Enclosure Modules 397Removal and ReplacementFront Cover Removal/Replacement ! Hot Swappable Component!To gain access to the front of

398 Controller Enclosure ModulesInstalling the Front Cover1. Slide the top edge of the cover up under the lip of the chassis.2. Push the cover

Controller Enclosure Modules 399Removal and Replacement Figure 100Controller Fan Module Removal and ReplacementInstalling the Controller Fan Mo

4Manual Revision HistoryDecember 2000Change PageAdded Figure 87 to clarify operation of the write cache flush thresholds. 253Added note regarding the

40 Array Controller Enclosure ComponentsController Memory Modules Each controller module contains SIMM and DIMM memory modules. Two 16-Mbyte SI

400 Controller Enclosure ModulesBattery Backup Unit (BBU) Removal/Replacement ! Hot Swappable Component!NoteIf the Fast Write Cache LED is on w

Controller Enclosure Modules 401Removal and Replacement Figure 101 BBU Removal and Replacement

402 Controller Enclosure ModulesInstalling the BBU1. Unpack the new BBU. Save the shipping material for transporting the used BBU to the dispos

Controller Enclosure Modules 403Removal and Replacement6. Dispose of the old BBU.NoteDispose of the used BBU according to local and federal regu

404 Controller Enclosure ModulesFigure 103 Power Supply Fan Module Removal and ReplacementInstalling the Power Supply Fan Module1. Slide the po

Controller Enclosure Modules 405Removal and ReplacementPower Supply Module Removal/Replacement! Hot Swappable Component!A power supply should be

406 Controller Enclosure Modules Figure 105Power Supply Module Removal and ReplacementInstalling the Power Supply Module1. Slide the supply in

Controller Enclosure Modules 407Removal and ReplacementSCSI CablesReplacing SCSI cables requires that the disk enclosure be shut down. Shutting

408 Controller Enclosure ModulesOnce the disk enclosure is powered up, check the status of the disk modules using one of the software managemen

Reference / Legal / Regulatory4098 REFERENCE / LEGAL / REGULATORYModels and Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Array Controller Enclosure Components 41Product Description Figure 13Controller Fan Module

410 System RequirementsSystem RequirementsHost SystemsHP-UXWindows NT 4.0 and Windows 2000Any host running Windows NT 4.0 or Windows 2000.Suppo

System Requirements 411Reference / Legal / Regulatory•Windows 2000Fibre Channel Host AdaptersHP-UX•K-class: A3404A (assy number J2389-60001), 10

412 Models and OptionsModels and OptionsThe HP SureStore E Disk Array FC60 consists of two products: the A5277A/AZ controller enclosure and the

Models and Options 413Reference / Legal / Regulatory Table 54 A5277A/AZ Product Options Option Description Controller

414 Models and OptionsA5294A/AZ Disk Enclosure SC10 Models and OptionsOrder the following product and options as required. Enter the following

Models and Options 415Reference / Legal / Regulatory Table 55 A5294A Custom Cabling Option Option Description 701 Dele

416 Models and OptionsDisk Array FC60 Upgrade and Add-On ProductsOrder the following parts to expand or reconfigure your original purchase: Ta

PDU/PDRU Products 417Reference / Legal / RegulatoryPDU/PDRU ProductsHewlett-Packard offers the following PDUs and PDRUs, with US and internation

418 Replaceable PartsReplaceable PartsA5277A/AZ Controller Enclosure Replaceable Parts Table 60 Controller Enclosure Replaceable Parts

Replaceable Parts 419Reference / Legal / RegulatoryA5294A/AZ Disk Enclosure Replaceable Parts A5277-60004 Power Supply Modules n/aA5277-6000

42 Array Controller Enclosure ComponentsPower Supply Modules Two separate power supplies provide electrical power to the internal components by

420 A5277A/AZ Controller Enclosure SpecificationsA5277A/AZ Controller Enclosure SpecificationsDimensions: Weight: Height Width Depth 6.75

A5277A/AZ Controller Enclosure Specifications 421Reference / Legal / RegulatoryAC Power:AC Voltage and Frequency:•120 VAC (100 - 127 VAC), 50

422 A5277A/AZ Controller Enclosure SpecificationsEnvironmental SpecificationsNoteThe HP SureStore E Disk Array FC60 has been tested for proper

A5277A/AZ Controller Enclosure Specifications 423Reference / Legal / RegulatoryNon-operating Environmental (shipping and storage):•Temperature:

424 A5294A/AZ Disk Enclosure SpecificationsA5294A/AZ Disk Enclosure SpecificationsDimensions: Weight: Height Width Depth5.91 in. (15.0 cm)

A5294A/AZ Disk Enclosure Specifications 425Reference / Legal / RegulatoryAC Power:AC Voltage and Frequency:•100 - 127 VAC, 50 to 60 Hz single

426 A5294A/AZ Disk Enclosure SpecificationsEnvironmental SpecificationsNoteThe HP SureStore E Disk Array FC60 has been tested for proper operat

A5294A/AZ Disk Enclosure Specifications 427Reference / Legal / RegulatoryNoteFor continuous, trouble-free operation, the disk enclosure should N

428 Warranty and License InformationWarranty and License InformationHewlett-Packard Hardware Limited WarrantyHP warrants to you, the end-user C

Warranty and License Information 429Reference / Legal / RegulatorySoftware Product Limited WarrantyThe HP Software Product Limited Warranty will

Array Controller Enclosure Components 43Product DescriptionEach power supply is equipped with a power switch to disconnect power to the supply.

430 Warranty and License InformationThis warranty extends only to the original owner in the original country of purchase and is not transferabl

Warranty and License Information 431Reference / Legal / RegulatoryRANTY STATEMENT ARE CUSTOMER'S SOLE AND EXCLUSIVE REMEDIES. EXCEPT AS IND

432 Warranty and License InformationSoftware or disable any licensing or control features of the Software. If the Software is licensed for &quo

Warranty and License Information 433Reference / Legal / RegulatoryRestricted Rights Legend1.) Use, duplication or disclosure by the U.S. Governm

434 Regulatory Compliance Regulatory ComplianceSafety Certifications:•UL listed•CUL certified•TUV certified with GS mark•Gost Certified•CE-Mark

FCC Statements (USA Only) 435Reference / Legal / RegulatoryFCC Statements (USA Only)The Federal Communications Commission (in 47 CFR 15.105) has

436 FCC Statements (USA Only)VCCI Statement (Japan)This equipment is in the Class A category information technology equipment based on the rule

FCC Statements (USA Only) 437Reference / Legal / RegulatorySpécification ATI Classe A (France Seulement)DECLARATION D'INSTALLATION ET DE MI

438 FCC Statements (USA Only)Geräuschemission (For Germany Only)•LpA: 45.0 dB (suchend)•Am fiktiven Arbeitsplatz nach DIN 45635 T. 19.•Die Date

FCC Statements (USA Only) 439Reference / Legal / RegulatoryDeclaration of Conformityaccording to ISO / IEC Guide 22 and EN 45014Manufacturer Nam

44 Array Controller Enclosure Components Figure 15Power Supply Fan Module

440 FCC Statements (USA Only)

Glossary441GLOSSARYadapterA printed circuit assembly that transmits user data (I/Os) between the host system’s internal bus and the external Fibre Cha

442 bindThe process of configuring unassigned disks into a LUN disk group. Disks can be bound into one of the following LUN disk groups: RAID

443GlossaryClass of ServiceThe types of services provided by the Fibre Channel topology and used by the communicating port.controllerA removabl

444 disk array controllerA printed-circuit board with memory modules that manages the overall operation of the disk array. The disk array cont

445GlossaryEPROMErasable Programmable Read-Only Memory.fabricA Fibre Channel term that describes a crosspoint switched network, which is one of

446 25 MB/s (quarter speed), or 12.5 MB/s (eighth speed) over distances of up to 100 m over copper media, or up to 10 km over optical links. Th

447GlossaryframeThe smallest indivisible unit of application-data transfer used by Fibre Channel. Frame size depends on the hardware implementa

448 hostA processor that runs an operating system using a disk array for data storage and retrieval.hot swappableHot swappable components can b

449Glossarycreated on the same disk array. A numeric value is assigned to a LUN at the time it is created. LVD-SCSI Low voltage differential im

Array Controller Enclosure Components 45Product DescriptionBattery Backup Unit The controller enclosure contains one removable battery backup un

450 NVSRAMThe disk array controller stores operating configuration information in this non-volatile SRAM (referred to as NVSRAM). The contents

451GlossaryPROM (Programmable Read-Only Memory)SP-resident boot code that loads the SP microcode from one of the disk array’s database drives w

452 parity information, depending on the RAID level of the LUN. Until a rebuild is complete, the disk array is operating in degraded mode and i

453GlossarySIMM (Single In-line Memory Module)A memory module that provides the local storage (cache) for an SP. An SP must have at least two 4

454 drivers on the bus, and also impedance matching to prevent signal reflections at the ends of the cable. The SCSI bus requires termination a

Index455INDEXAA5628A, Array Manager 60 20AC power specifications 425disk enclosure 421acousticscontroller enclosure 423disk enclosure 427adapterFibre

456 Indexcalculating LUN capacity 292changing LUN ownership 293changing rebuild priority settings 305checking disk array status 282checking reb

Index 457Indexmaximum 75changing LUN ownership 293channel numberdisk module 244channel:IDdescribed 280checking disk array statususing Array Mana

458 Indexpower-down sequence 205power-up sequence 198rebuild process 61upgrade and add-on products 416using as a boot device 222ventilation 403

Index 459Indexprimary LUN path 64drive lockout 387driverssystem 146Eelectrical requirements 147EMC compliance 434EMS hardware event monitoring 2

46 Array Controller Enclosure ComponentsThe BBU contains four LEDs that identify the condition of the battery. Internally, the BBU consists of

460 Indextips for selecting disks 62global hot spare disksdescribed 61Hhardware event monitoring See EMS hardware event monitoringhardware path

Index 461Indexlog filesmanaging 307logsmanaging 309loop ID See Fibre Channel host IDlosing LUN 0 376LUNaddressing 208assigning ownership 247bind

462 Indexrecommended for HP System/E racks 151troubleshooting 380performancearray configuration 73I/Os per second 74impact of configuration set

Index 463Indexdescribed 55five disk enclosure array 94four disk enclosure array 90six disk enclosure array 98storage capacity 75three disk enclo

464 Indexcache flush threshold 300cache page size 300configuration switches 176controller date and time 297stripe segment size 249SF21 384SF88

Index 465IndexTthroughputFibre Channel 71SCSI channels 72topologiesunsupported Windows 131topologybasic 102, 103error recovery 108campus 102, 12

466 Index

Disk Array High Availability Features 47Product Description Disk Array High Availability Features High availability systems are designed to prov

48 Disk Array High Availability FeaturesThe disk array uses hardware mirroring, in which the disk array automatically synchronizes the two disk

Disk Array High Availability Features 49Product Description Figure 17Calculating Data ParityData StripingData striping, which is used on RAID 0,

5About This BookThis guide is intended for use by system administrators and others involved in operating and managing the HP SureStore E Disk Array

50 Disk Array High Availability Featuresusing a 5-disk RAID 5 LUN, a stripe segment size of 32 blocks (16 KB) would ensure that an entire I/O w

Disk Array High Availability Features 51Product Descriptionfails. RAID-0 provides enhanced performance through simultaneous I/Os to multiple dis

52 Disk Array High Availability Featuresindividual disks. For highest data availability, each disk in the mirrored pair must be located in a di

Disk Array High Availability Features 53Product Descriptionpair. For highest data availability, each disk in the mirrored pair must be located i

54 Disk Array High Availability Featuresmore disks. For highest availability, the disks in a RAID 3 LUN must be in different enclosures.If a di

Disk Array High Availability Features 55Product DescriptionRAID 3 works well for single-task applications using large block I/Os. It is not a go

56 Disk Array High Availability Features Figure 22RAID 5 LUNWith its individual access characteristics, RAID 5 provides high read throughput fo

Disk Array High Availability Features 57Product DescriptionRAID Level Comparisons To help you decide which RAID level to select for a LUN, the f

58 Disk Array High Availability Features * Compares the relative read and write performance for array configurations with the performance of

Disk Array High Availability Features 59Product Description Table 4 RAID Level Comparison: General Performance CharacteristicsRAID Level Gener

6Related Documents and InformationThe following items contain information related to the installation and use of the HP SureStore E Disk Array and its

60 Disk Array High Availability Features Table 5 RAID Level Comparison: Application and I/O Pattern Performance CharacteristicsRAID level Appl

Disk Array High Availability Features 61Product DescriptionGlobal Hot Spare DisksA global hot spare disk is reserved for use as a replacement di

62 Disk Array High Availability FeaturesSettings that give a higher priority to the rebuild process will cause the rebuild to complete sooner,

Disk Array High Availability Features 63Product Description Figure 23Rebuild Process on a RAID 5 LUN (or Volume Group)The information on the hot

64 Disk Array High Availability FeaturesPrimary and Alternate I/O PathsThere are two I/O paths to each LUN on the disk array - one through cont

Capacity Management Features 65Product DescriptionCapacity Management Features The disk array uses a number of features to manage its disk capac

66 Capacity Management Features•Hot spare group – All disks assigned the role of global hot spare become members of this group. Up to six disks

Capacity Management Features 67Product Descriptioncontroller with 256 Mbytes of cache will use half of the memory to mirror the other controller

68 Capacity Management Features

Topology and Array Planning692 TOPOLOGY AND ARRAY PLANNINGOverview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7Contents1 Product DescriptionProduct Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70 OverviewOverviewThis chapter provides information to assist you in configuring the Disk Array FC60 to meet your specific storage needs. Fact

Array Design Considerations 71Topology and Array PlanningArray Design ConsiderationsThe Disk Array FC60 provides the versatility to meet varying

72 Array Design Considerationsenclosures can be added incrementally (up to six) as storage requirements grow. Multiple SCSI channels also incre

Array Design Considerations 73Topology and Array Planningthe array for high availability, there must be no single points of failure. This means

74 Array Design Considerationsof the buses must be configured with at least four disk modules (eight disk modules per disk enclosure). This con

Array Design Considerations 75Topology and Array PlanningStorage CapacityFor configurations where maximum storage capacity at minimum cost is a

76 Array Design Considerationsanother, two or one disk enclosures, respectively, can be added by using split-bus mode. However, if you are addi

Recommended Disk Array Configurations 77Topology and Array PlanningRecommended Disk Array Configurations This section presents recommended confi

78 Recommended Disk Array Configurations•Global hot spares - although none of the configurations use global hot spares, their use is recommende

Recommended Disk Array Configurations 79Topology and Array Planning•Data Availability– Not recommended for maximum high availability. – Handles

8 Disk Groups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65Disk Array Cachin

80 Recommended Disk Array ConfigurationsTwo Disk Enclosure ConfigurationsHigh Availability/ High Performance •Hardware Configuration– Two disk

Recommended Disk Array Configurations 81Topology and Array PlanningFigure 25Two Disk Enclosure High Availability/ High Performance Configuration

82 Recommended Disk Array ConfigurationsMaximum Capacity NoteThis configuration is not recommended for environments where high availability is

Recommended Disk Array Configurations 83Topology and Array PlanningFigure 26Two Disk Enclosure Maximum Capacity Configuration

84 Recommended Disk Array ConfigurationsThree Disk Enclosure ConfigurationsHigh Availability/ High Performance •Hardware Configuration– Two dis

Recommended Disk Array Configurations 85Topology and Array PlanningFigure 27Three Disk Enclosure High Availability/ High Performance Configurati

86 Recommended Disk Array ConfigurationsMaximum Capacity•Hardware Configuration– Two disk array controllers connected directly to host Fibre Ch

Recommended Disk Array Configurations 87Topology and Array PlanningFigure 28Three Disk Enclosure Maximum Capacity Configuration

88 Recommended Disk Array ConfigurationsFour Disk Enclosure ConfigurationsHigh Availability/High Performance •Hardware Configuration– Two disk

Recommended Disk Array Configurations 89Topology and Array PlanningFigure 29Four Disk Enclosure High Availability/High Performance Configuration

9ContentsNon-High Availability Topologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133High Availability Topolog

90 Recommended Disk Array ConfigurationsMaximum Capacity•Hardware Configuration– Two disk array controllers connected directly to host Fibre Ch

Recommended Disk Array Configurations 91Topology and Array PlanningFigure 30Four Disk Enclosure Maximum Capacity Configuration

92 Recommended Disk Array ConfigurationsFive Disk Enclosure ConfigurationsHigh Availability/High Performance •Hardware Configuration– Two disk

Recommended Disk Array Configurations 93Topology and Array PlanningFigure 31Five Disk Enclosure High Availability/High Performance Configuration

94 Recommended Disk Array ConfigurationsMaximum Capacity•Hardware Configuration– Two disk array controllers connected directly to host Fibre Ch

Recommended Disk Array Configurations 95Topology and Array PlanningFigure 32Five Disk Enclosure Maximum Capacity Configuration

96 Recommended Disk Array ConfigurationsSix Disk Enclosure ConfigurationsHigh Availability/High Performance •Hardware Configuration– Two disk a

Recommended Disk Array Configurations 97Topology and Array PlanningFigure 33Six Disk Enclosure High Availability/High Performance Configuration

98 Recommended Disk Array ConfigurationsMaximum Capacity •Hardware Configuration– Two disk array controllers connected directly to host Fibre C

Recommended Disk Array Configurations 99Topology and Array PlanningFigure 34Six Disk Enclosure High Maximum Capacity Configuration