Hp 3PAR Remote Copy Software Instrukcja Użytkownika

3PAR Remote Copy® 2.3.1User’s Guide3PAR Inc.4209 Technology DriveFremont, CA 94538 U.S.A.Part No. 320-200175 Rev AOctober 2009

xTable of Contents Remote Copy User’s Guide InForm OS Version 2.3.1

3.38Initial Synchronization Using Tape BackupRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServC:As shown in the examples above, once the syn

3.39Initial Synchronization Using Tape BackupInForm OS Version 2.3.1 Remote Copy User’s GuideTo bring the primary and secondary volume groups into syn

3.40Initial Synchronization Using Tape BackupRemote Copy User’s Guide InForm OS Version 2.3.1◆ <size>g is the size of the created volume in giga

3.41Initial Synchronization Using Tape BackupInForm OS Version 2.3.1 Remote Copy User’s Guide7 Create a synchronous Remote Copy group on InServ1:◆ <

3.42Initial Synchronization Using Tape BackupRemote Copy User’s Guide InForm OS Version 2.3.110 Stop Remote Copy for the Remote Copy volume group on I

3.43Initial Synchronization Using Tape BackupInForm OS Version 2.3.1 Remote Copy User’s Guide13 Start the group on InServ1 to synchronize any changes

3.44Initial Synchronization Using Tape BackupRemote Copy User’s Guide InForm OS Version 2.3.1

InForm OS Version 2.3.1 Remote Copy User’s Guide4.1Using Remote Copy4Using Remote CopyIn this chapter4.1 Management 4.24.2 Reversing Target Design

4.2ManagementRemote Copy User’s Guide InForm OS Version 2.3.14.1 ManagementUse the showrcopy command to display information about the system’s configu

4.3Changing Remote Copy Mode for a Volume GroupInForm OS Version 2.3.1 Remote Copy User’s Guide4.3 Changing Remote Copy Mode for a Volume GroupUse th

InForm OS Version 2.3.1 Remote Copy User’s Guide1.1Introduction1IntroductionIn this chapter1.1 Audience 1.21.2 Related Documentation 1.21.3 Orga

4.4Setting Remote Copy Volume Group PoliciesRemote Copy User’s Guide InForm OS Version 2.3.14.4 Setting Remote Copy Volume Group PoliciesIn addition

4.5Manual ResynchronizationInForm OS Version 2.3.1 Remote Copy User’s Guide auto_recover The auto_recover group policy allows a group that was stoppe

4.6Viewing Synchronization DetailsRemote Copy User’s Guide InForm OS Version 2.3.1To see a list of all tasks on a system that have been active within

4.7Viewing Synchronization DetailsInForm OS Version 2.3.1 Remote Copy User’s Guide Status - The task state. Task states are as follows:◆ done - The t

4.8Converting Standard Virtual VolumesRemote Copy User’s Guide InForm OS Version 2.3.1Table 4-1 summarizes the InForm CLI task management commands rel

4.9Modifying Virtual VolumesInForm OS Version 2.3.1 Remote Copy User’s Guide4.8 Modifying Virtual VolumesIn addition to converting virtual volumes, y

4.10Limiting ThroughputRemote Copy User’s Guide InForm OS Version 2.3.14.9 Limiting ThroughputFor asynchronous periodic mode Remote Copy (see Asynchro

4.11Stopping Remote CopyInForm OS Version 2.3.1 Remote Copy User’s Guide4.10 Stopping Remote Copy` If you want to stop using Remote Copy, issue the st

4.12Remote Copy CommandsRemote Copy User’s Guide InForm OS Version 2.3.1NOTE: As long as you are using 3PAR Remote Copy with the default group policy

4.13Remote Copy CommandsInForm OS Version 2.3.1 Remote Copy User’s GuideRemoves target designation from a Remote Copy system and removes all links aff

1.2AudienceRemote Copy User’s Guide InForm OS Version 2.3.11.1 AudienceThis guide is for System and Storage Administrators who monitor and direct syst

4.14Remote Copy CommandsRemote Copy User’s Guide InForm OS Version 2.3.1Stops Remote Copy functionality for a specified Remote Copy volume group.stopr

InForm OS Version 2.3.1 Remote Copy User’s Guide5.1Performance and Scripting Considerations5Performance and Scripting ConsiderationsIn this chapter5.1

5.2Performance Notes for RCIP ConfigurationRemote Copy User’s Guide InForm OS Version 2.3.1After sending the I/O over a local GigE link, (which is mor

5.3Performance Notes for RCIP ConfigurationInForm OS Version 2.3.1 Remote Copy User’s GuideBecause the MTU needs to be supported by all the switches a

5.4Performance Notes for RCIP ConfigurationRemote Copy User’s Guide InForm OS Version 2.3.15.1.6.2 Synchronous ModeSynchronous mode adds more latency

5.5Performance Notes for RCFC ConfigurationInForm OS Version 2.3.1 Remote Copy User’s Guide5.2 Performance Notes for RCFC ConfigurationThe following

5.6Scripting NotesRemote Copy User’s Guide InForm OS Version 2.3.1

InForm OS Version 2.3.1 Remote Copy User’s GuideA.1Quick Setup GuideAQuick Setup GuideThis Quick Setup Guide summarizes the commands required to set u

A.2Setting Up the Remote Copy Transport Layer for RCIPRemote Copy User’s Guide InForm OS Version 2.3.1A.1 Setting Up the Remote Copy Transport Layer f

A.3Setting Up the Remote Copy Transport Layer for RCFCInForm OS Version 2.3.1 Remote Copy User’s GuideA.2 Setting Up the Remote Copy Transport Layer f

1.3OrganizationInForm OS Version 2.3.1 Remote Copy User’s Guide1.3 OrganizationThis guide is organized as follows: Chapter 1, Introduction, (this ch

A.4Setting Up Remote CopyRemote Copy User’s Guide InForm OS Version 2.3.1 For 1-to-N Remote Copy configurations, follow steps 1 through 10 in Table A

A.5Setting Up Remote CopyInForm OS Version 2.3.1 Remote Copy User’s Guide4 “ -- For RCIP:creatercopytarget <target_name> IP <node>:<IP_

A.6Setting Up Remote CopyRemote Copy User’s Guide InForm OS Version 2.3.111(for bidirectional Remote Copy)Setting Up Bidirectional Remote Copy on page

A.7Setting Up Synchronous Long Distance Remote CopyInForm OS Version 2.3.1 Remote Copy User’s GuideA.4 Setting Up Synchronous Long Distance Remote Cop

A.8Setting Up Synchronous Long Distance Remote CopyRemote Copy User’s Guide InForm OS Version 2.3.15 * -- Define target 1 (primary system):creatercopy

A.9Setting Up Synchronous Long Distance Remote CopyInForm OS Version 2.3.1 Remote Copy User’s Guide9 * -- -- Define target 2 (backup system 1):creater

A.10Setting Up Synchronous Long Distance Remote CopyRemote Copy User’s Guide InForm OS Version 2.3.112 * For each virtual volume created in step 11:ad

InForm OS Version 2.3.1 Remote Copy User’s GuideB.1Remote Copy CommandsBRemote Copy CommandsIn this appendix admitrcopylink B.3 admitrcopytarget B

B.2Remote Copy User’s Guide InForm OS Version 2.3.1 showport B.52 showrcopy B.57 showrctransport B.62 startrcopy B.66 startrcopygroup B.67

B.3admitrcopylinkInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDadmitrcopylinkDESCRIPTIONThe admitrcopylink command adds one or more links (co

1.4Typographical ConventionsRemote Copy User’s Guide InForm OS Version 2.3.11.4 Typographical ConventionsThis guide employs the following typographica

B.4admitrcopylinkRemote Copy User’s Guide InForm OS Version 2.3.1RESTRICTIONSFunctionality of this command requires the 3PAR Remote Copy license. Cont

B.5admitrcopytargetInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDadmitrcopytargetDESCRIPTIONThe admitrcopytarget command adds a target to a R

B.6admitrcopytargetRemote Copy User’s Guide InForm OS Version 2.3.1RESTRICTIONSFunctionality of this command requires the 3PAR Remote Copy license. Co

B.7admitrcopyvvInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDadmitrcopyvvDESCRIPTIONThe admitrcopyvv command adds an existing virtual volume

B.8admitrcopyvvRemote Copy User’s Guide InForm OS Version 2.3.1RESTRICTIONSFunctionality of this command requires the 3PAR Remote Copy license. Contac

B.9controlportInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDcontrolportDESCRIPTIONThe controlport command controls all aspects of a Fibre Cha

B.10controlportRemote Copy User’s Guide InForm OS Version 2.3.1 controlport rcip ping [-c <count>|-w <wait>|-s <size>|-pf] <IP_a

B.11controlportInForm OS Version 2.3.1 Remote Copy User’s Guidecl2Specifies the Fibre Channel Class-2 parameter of the port. The specified port will b

B.12controlportRemote Copy User’s Guide InForm OS Version 2.3.1rcip mtuSets the Maximum Transfer Unit (MTU) size for the specified Remote Copy interfa

B.13controlportInForm OS Version 2.3.1 Remote Copy User’s Guide-lForces the port to reload firmware. This option can only be used with the rst subcomm

1.5AdvisoriesInForm OS Version 2.3.1 Remote Copy User’s Guide1.5 AdvisoriesTo avoid injury to people or damage to data and equipment, be sure to obser

B.14controlportRemote Copy User’s Guide InForm OS Version 2.3.1-pfPrevents fragmentation of the packets when issuing the controlport rcip ping command

B.15controlportInForm OS Version 2.3.1 Remote Copy User’s GuideslotSpecifies the PCI bus slot in the specified node using a number from 0 to 6.portSpe

B.16controlportRemote Copy User’s Guide InForm OS Version 2.3.1EXAMPLESThe following example shows how to increase MTU to 9000 on Gigabit Ethernet por

B.17controlportInForm OS Version 2.3.1 Remote Copy User’s Guide If there are active hosts or physical disks when issuing the controlport rst or offli

B.18creatercopygroupRemote Copy User’s Guide InForm OS Version 2.3.1COMMANDcreatercopygroupDESCRIPTIONThe creatercopygroup command creates a Remote Co

B.19creatercopygroupInForm OS Version 2.3.1 Remote Copy User’s GuideRESTRICTIONSThis command requires the 3PAR Remote Copy license. Contact your local

B.20creatercopytargetRemote Copy User’s Guide InForm OS Version 2.3.1COMMANDcreatercopytargetDESCRIPTIONThe creatercopytarget command creates a Remote

B.21creatercopytargetInForm OS Version 2.3.1 Remote Copy User’s Guide[<node:slot:port:WWN>]...Specifies the node, slot, port of the Fibre Channe

B.22creatercopytargetRemote Copy User’s Guide InForm OS Version 2.3.1NOTES IP targets are made up of pairs composed of the node, slot and port of the

B.23dismissrcopylinkInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDdismissrcopylinkDESCRIPTIONThe dismissrcopylink command removes one or more

1.6AdvisoriesRemote Copy User’s Guide InForm OS Version 2.3.1

B.24dismissrcopylinkRemote Copy User’s Guide InForm OS Version 2.3.1<node:slot:port:IP_address>...Specifies the node, slot, and port of the Ethe

B.25dismissrcopytargetInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDdismissrcopytargetDESCRIPTIONThe dismissrcopytarget command removes a Rem

B.26dismissrcopytargetRemote Copy User’s Guide InForm OS Version 2.3.1NOTESNone.

B.27dismissrcopyvvInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDdismissrcopyvvDESCRIPTIONThe dismissrcopyvv command removes a virtual volume

B.28dismissrcopyvvRemote Copy User’s Guide InForm OS Version 2.3.1NOTES The dismissrcopyvv command removes any Remote Copy synchronization snapshots

B.29growvvInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDgrowvvDESCRIPTIONThe growvv command increases the size of a virtual volume.SYNTAXgrow

B.30growvvRemote Copy User’s Guide InForm OS Version 2.3.1NOTESEnsure that there is sufficient space to mirror the grow of the volume on the secondary

B.31removercopygroupInForm OS Version 2.3.1 Remote Copy User’s Guide COMMANDremovercopygroupDESCRIPTIONThe removercopygroup command removes a Remote C

B.32removercopygroupRemote Copy User’s Guide InForm OS Version 2.3.1NOTES If the mirror_config policy is set for this group’s target system and the g

B.33removercopytargetInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDremovercopytargetDESCRIPTIONThe removercopytarget command removes target d

InForm OS Version 2.3.1 Remote Copy User’s Guide2.1Remote Copy Overview2Remote Copy OverviewIn this chapter2.1 Overview 2.32.2 Remote Copy Terms a

B.34removercopytargetRemote Copy User’s Guide InForm OS Version 2.3.1EXAMPLESThe following example removes targets InServ1 and InServ2 from the primar

B.35setrcopygroupInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDsetrcopygroupDESCRIPTIONThe setrcopygroup command does the following: Sets th

B.36setrcopygroupRemote Copy User’s Guide InForm OS Version 2.3.1OPTIONS-tSpecifies that the setrcopygroup <dr_operations> command be applied to

B.37setrcopygroupInForm OS Version 2.3.1 Remote Copy User’s GuideSpecifies that groups are stopped before running the indicated reverse or restore val

B.38setrcopygroupRemote Copy User’s Guide InForm OS Version 2.3.1-localWhen issuing the command with reverse as the value of the <dr_operation>

B.39setrcopygroupInForm OS Version 2.3.1 Remote Copy User’s Guideno_auto_recoverSpecifies that if the Remote Copy is stopped as a result of the Remote

B.40setrcopygroupRemote Copy User’s Guide InForm OS Version 2.3.1recoverUsed for groups on which the failover operation has already been run. Changes

B.41setrcopygroupInForm OS Version 2.3.1 Remote Copy User’s Guide The reverse value of the <dr_operation> is not to be used as part of the norm

B.42setrcopygroupRemote Copy User’s Guide InForm OS Version 2.3.1 The -nosnap option can be used when making a secondary group take over as the prima

B.43setrcopytargetInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDsetrcopytargetDESCRIPTIONThe setrcopytarget command sets the name, policies,

2.2Remote Copy User’s Guide InForm OS Version 2.3.12.9.2 Synchronization Types 2.252.9.3 Resynchronization Period 2.282.9.4 Manual Resynchroniza

B.44setrcopytargetRemote Copy User’s Guide InForm OS Version 2.3.1enable|disableEnables or disables the target.OPTIONSNone.SPECIFIERS<target_name&g

B.45setrcopytargetInForm OS Version 2.3.1 Remote Copy User’s Guide<bandwidth>The measured bandwidth of the connection to the target, specified i

B.46setrcopytargetRemote Copy User’s Guide InForm OS Version 2.3.1◆ setrcopytarget tunelinks <bandwidth> <latency> <target_name> U

B.47setvvInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDsetvvDESCRIPTIONThe setvv command changes the properties associated with a virtual vol

B.48setvvRemote Copy User’s Guide InForm OS Version 2.3.1-retain <time> d|D|h|HSpecifies the amount of time, relative to the current time, that

B.49setvvInForm OS Version 2.3.1 Remote Copy User’s Guide–pol <policy>[,<pol>...]Specifies the policy is implemented by a virtual volume.

B.50setvvRemote Copy User’s Guide InForm OS Version 2.3.1no_zero_detectDisables the InServ Storage Server to scan for zeros in the incoming write data

B.51setvvInForm OS Version 2.3.1 Remote Copy User’s GuideSPECIFIERS<VV_name|pattern>...Specifies the virtual volume name or all virtual volumes

B.52showportRemote Copy User’s Guide InForm OS Version 2.3.1COMMANDshowportDESCRIPTIONThe showport command displays information about ports in the sys

B.53showportInForm OS Version 2.3.1 Remote Copy User’s Guide-iscsinameDisplays iSCSI names associated with iSCSI ports.-sfpDisplays information about

2.3OverviewInForm OS Version 2.3.1 Remote Copy User’s Guide2.1 Overview3PAR Remote Copy is a product that allows you to copy virtual volumes from one

B.54showportRemote Copy User’s Guide InForm OS Version 2.3.1EXAMPLESThe following example displays information about all Remote Copy ports:The columns

B.55showportInForm OS Version 2.3.1 Remote Copy User’s GuideThe following example displays information about RCIP ports:The columns in the previous ex

B.56showportRemote Copy User’s Guide InForm OS Version 2.3.1NOTESFor full showport command information and additional usage examples, refer to the InF

B.57showrcopyInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDshowrcopyDESCRIPTIONThe showrcopy command displays details of the Remote Copy conf

B.58showrcopyRemote Copy User’s Guide InForm OS Version 2.3.1targets [<name_or_pattern>]Specifies either all target definitions or a specific ta

B.59showrcopyInForm OS Version 2.3.1 Remote Copy User’s Guide unsupported. The target system’s TPD version is not compatible with this system’s versi

B.60showrcopyRemote Copy User’s Guide InForm OS Version 2.3.1In the example above: Name. The name of the group. Target. The target to which the grou

B.61showrcopyInForm OS Version 2.3.1 Remote Copy User’s GuideNOTES If the showrcopy command is used with no specifiers, all configuration information

B.62showrctransportRemote Copy User’s Guide InForm OS Version 2.3.1COMMANDshowrctransportDESCRIPTIONThe showrctransport command shows status and infor

B.63showrctransportInForm OS Version 2.3.1 Remote Copy User’s Guide Peer_Address. IP address of the Remote Copy storage server port connected to this

Revision NoticeThis is the first release of this manual. A complete revision history is provided at the end of this document.ChangesThe material in t

2.4Remote Copy Terms and ConceptsRemote Copy User’s Guide InForm OS Version 2.3.1local or primary server and secondary volume groups reside on the rem

B.64showrctransportRemote Copy User’s Guide InForm OS Version 2.3.1 IPAddress. IP address of the Ethernet port indicated in the N:S:P column. PeerI

B.65showrctransportInForm OS Version 2.3.1 Remote Copy User’s GuideNOTESNone.

B.66startrcopyRemote Copy User’s Guide InForm OS Version 2.3.1COMMANDstartrcopyDESCRIPTIONThe startrcopy command enables Remote Copy.SYNTAXstartrcopy

B.67startrcopygroupInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDstartrcopygroupDESCRIPTIONThe startrcopygroup command turns on Remote Copy f

B.68startrcopygroupRemote Copy User’s Guide InForm OS Version 2.3.1NOTES If a group’s target has the mirror_config policy set and the group is a prim

B.69statportInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDstatportDESCRIPTIONThe statport command displays read and write (I/O) statistics fo

B.70statportRemote Copy User’s Guide InForm OS Version 2.3.1–rwDisplay reads and writes separately. If this option is not used, then the total of read

B.71statportInForm OS Version 2.3.1 Remote Copy User’s GuidecursSpecifies that only current statistics are displayed.avgsSpecifies that only averages

B.72statportRemote Copy User’s Guide InForm OS Version 2.3.1Specifies the minimum threshold using any integer. The integer can be optionally followed

B.73statportInForm OS Version 2.3.1 Remote Copy User’s Guide I/O per second Cur. The current number of I/O per second. I/O per second Avg. The avera

2.5Remote Copy Terms and ConceptsInForm OS Version 2.3.1 Remote Copy User’s GuideFigure 2-1. Relationship of Primary Versus Secondary Volume Groups o

B.74statrcopyRemote Copy User’s Guide InForm OS Version 2.3.1COMMANDstatrcopyDESCRIPTIONThe statrcopy command displays statistics for Remote Copy volu

B.75statrcopyInForm OS Version 2.3.1 Remote Copy User’s GuideEXAMPLESThe following example shows statistics for sending links link0 and link1:The colu

B.76statrcopyRemote Copy User’s Guide InForm OS Version 2.3.1NOTES This command repeats until directed to stop. Within the context of this command,

B.77stoprcopyInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDstoprcopyDESCRIPTIONThe stoprcopy command disables the Remote Copy functionality f

B.78stoprcopyRemote Copy User’s Guide InForm OS Version 2.3.1EXAMPLESThe following example disables the Remote Copy functionality of all Remote Copy v

B.79stoprcopygroupInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDstoprcopygroupDESCRIPTIONThe stoprcopygroup command stops the Remote Copy fun

B.80stoprcopygroupRemote Copy User’s Guide InForm OS Version 2.3.1NOTES If a group’s target has the mirror_config policy set and the group is a prima

B.81syncrcopyInForm OS Version 2.3.1 Remote Copy User’s GuideCOMMANDsyncrcopyDESCRIPTIONThe syncrcopy command manually synchronizes Remote Copy volume

B.82syncrcopyRemote Copy User’s Guide InForm OS Version 2.3.1RESTRICTIONSThis command requires the 3PAR Remote Copy license. Contact your local servic

InForm OS Version 2.3.1 Remote Copy User’s GuideC.1Example Setup and Disaster RecoveryCExample Setup and Disaster RecoveryIn this chapterC.1 Remote

2.6Remote Copy Volume GroupsRemote Copy User’s Guide InForm OS Version 2.3.12.3 Remote Copy Volume GroupsRemote Copy operations are performed on grou

C.2Remote Copy Setup ExamplesRemote Copy User’s Guide InForm OS Version 2.3.1C.1 Remote Copy Setup ExamplesThe following figures depict supported Rem

C.3Remote Copy Setup ExamplesInForm OS Version 2.3.1 Remote Copy User’s GuideFigure C-3. N-to-1 Remote Copy Direction of datareplication InServ1InSe

C.4Bidirectional Synchronous Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1C.2 Bidirectional Synchronous Disaster Recovery

C.5Bidirectional Synchronous Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideFigure C-4. Bidirectional Remote Copy ExampleNo

C.6Bidirectional Synchronous Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1The following showrcopy command output displays

C.7Bidirectional Synchronous Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideOn InServ2:# showrcopyRemote Copy System Informa

C.8Bidirectional Synchronous Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1For a Remote Copy pair with synchronous mode vol

C.9Bidirectional Synchronous Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideTo initiate disaster recovery for a bidirectiona

C.10Bidirectional Synchronous Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.12 On the failover system, verify the reversal b

C.11Bidirectional Synchronous Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide4 Issue the showrcopy command and verify that t

2.7Remote Copy ConfigurationInForm OS Version 2.3.1 Remote Copy User’s Guide2.5 Remote Copy ConfigurationAs stated previously, Remote Copy configurati

C.12Bidirectional Synchronous Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.15 On the restored system (InServ1), issue the s

C.13Bidirectional Synchronous Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide6 Restore the direction of the system by issuin

C.14Bidirectional Synchronous Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.18 Issue the showrcopy command to verify that th

C.15N-to-1 Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideC.3 N-to-1 Asynchronous Periodic Disaster R

C.16N-to-1 Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ Remote copy nodes: 0and 1 Information for

C.17N-to-1 Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideThe following showrcopy command output displ

C.18N-to-1 Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1On InServ2:# showrcopy Remote Copy System In

C.19N-to-1 Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideFor a Remote Copy pair with asynchronous per

C.20N-to-1 Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1The following example displays the showrcopy

C.21N-to-1 Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guidethe failed target InServ1 for the secondary

2.8Remote Copy ConfigurationRemote Copy User’s Guide InForm OS Version 2.3.12.5.2 Unidirectional ConfigurationsIn a unidirectional Remote Copy configu

C.22N-to-1 Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.13 After the failed system (InServ2) has been

C.23N-to-1 Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide5 On the restored system (InServ2), issue th

C.24N-to-1 Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.16 Restore the direction of the system by iss

C.25N-to-1 Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide7 Issue the showrcopy command to verify that

C.26N-to-1 Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.18 Issue the showrcopy command to verify that

C.271-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideC.4 1-to-N Unidirectional As

C.281-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1IP address 172.100.33.96 IP a

C.291-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideThe following showrcopy comma

C.301-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1On InServ2:# showrcopy Remote

C.311-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideFor a Remote Copy pair with a

2.9Remote Copy ConfigurationInForm OS Version 2.3.1 Remote Copy User’s Guide2.5.3 N-to-1 ConfigurationsIn N-to-1 Remote Copy configurations, a maximum

C.321-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1The following example display

C.331-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide2 On the failover system, ver

C.341-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.14 Issue the showrcopy command

C.351-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide5 On the restored system (InS

C.361-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1After the synchronization is

C.371-to-N Unidirectional Asynchronous Periodic Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide7 Issue the showrcopy command

C.38Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.18 Issue the showrcopy command to ve

C.39Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guideserver to the asynchronous backup s

C.40Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1 On InServA:# showrcopy Remote Cop

C.41Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide On InServB:# showrcopy Remote Cop

2.10Remote Copy ConfigurationRemote Copy User’s Guide InForm OS Version 2.3.1Figure 2-4. N-to-1 Remote CopyDirection of datareplication InServ1InServ

C.42Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1 On InServC:# showrcopy Remote Cop

C.43Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideC.5.1 Synchronous Backup Server Ass

C.44Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1 On InServB:# showrcopy Remote Cop

C.45Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide On InServC:# showrcopy Remote Cop

C.46Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.11 Initiate disaster recovery to the

C.47Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide2 Issue showrcopy on InServB to ver

C.48Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.13 Issue showrcopy on InServC to ver

C.49Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide4 When InServA has recovered, issue

C.50Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ Groups on InServA temporarily swi

C.51Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServA:# showrcopy Remote Cop

2.11Remote Copy ConfigurationInForm OS Version 2.3.1 Remote Copy User’s Guide2.5.4 1-to-N ConfigurationsIn a 1-to-N Remote Copy configuration, a singl

C.52Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServB:# showrcopy Remote Cop

C.53Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServC:# showrcopy Remote Cop

C.54Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.16 Restore the original Synchronous

C.55Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideIn the example above:◆ Tasks are st

C.56Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServA:# showrcopy Remote Cop

C.57Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServB:# showrcopy Remote Cop

C.58Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServC:# showrcopy Remote Cop

C.59Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideC.5.2 Asynchronous Backup Server As

C.60Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1 On InServB:# showrcopy root@xnode

C.61Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide On InServC:# showrcopy Remote Cop

2.12Remote Copy ConfigurationRemote Copy User’s Guide InForm OS Version 2.3.12.5.5 Synchronous Long Distance ConfigurationIn Synchronous Long Distance

C.62Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.11 Initiate disaster recovery to the

C.63Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ Once completed, InServB and InSer

C.64Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServB:# showrcopy Remote Cop

C.65Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServC:# showrcopy Remote Cop

C.66Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.13 Once the failover operation has c

C.67Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServB:# showrcopy Remote Cop

C.68Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServC:# showrcopy Remote Cop

C.69Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide4 When InServA has recovered, issue

C.70Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1# setrcopygroup recover -f -t InSer

C.71Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideIn the example above:◆ Tasks are la

2.13Remote Copy ConfigurationInForm OS Version 2.3.1 Remote Copy User’s GuideFigure 2-6. Synchronous Long Distance Remote Copy - One Backup Server Fa

C.72Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServA:# showrcopy Remote Cop

C.73Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServB:# showrcopy Remote Cop

C.74Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServC:# showrcopy Remote Cop

C.75Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide6 Restore the original Synchronous

C.76Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1In the example above:◆ Tasks are st

C.77Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServA:# showrcopy Remote Cop

C.78Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServB:# showrcopy Remote Cop

C.79Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServC:# showrcopy Remote Cop

C.80Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1C.5.3 Asynchronous Backup Server As

C.81Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide1 Initiate disaster recovery to the

iiiTable of ContentsInForm OS Version 2.3.1 Remote Copy User’s GuideTable of Contents1 Introduction1.1 Audience 1.21.2 Related Documentation 1.21.3

2.14Remote Copy ConfigurationRemote Copy User’s Guide InForm OS Version 2.3.1Figure 2-7. Synchronous Long Distance Remote Copy - Primary Server Failu

C.82Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1this operation. InServC and InServB

C.83Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServB:# showrcopy Remote Cop

C.84Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServC:# showrcopy Remote Cop

C.85Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide3 When InServA has recovered, issue

C.86Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1# setrcopygroup recover -f -t InSer

C.87Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s GuideIn the example above:◆ Tasks are la

C.88Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServA:# showrcopy Remote Cop

C.89Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServB:# showrcopy Remote Cop

C.90Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServC:# showrcopy Remote Cop

C.91Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide5 Restore the original Synchronous

2.15Remote Copy TargetsInForm OS Version 2.3.1 Remote Copy User’s Guide Asynchronous periodic mode Remote Copy is restored between InServ1 and InServ

C.92Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1In the example above:◆ Tasks are st

C.93Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServA:# showrcopy Remote Cop

C.94Synchronous Long Distance Remote Copy Disaster Recovery ExampleRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServB:# showrcopy Remote Cop

C.95Synchronous Long Distance Remote Copy Disaster Recovery ExampleInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServC:# showrcopy Remote Cop

C.96Synchronous Long Distance Remote Copy for Data MigrationRemote Copy User’s Guide InForm OS Version 2.3.1C.6 Synchronous Long Distance Remote Copy

C.97Synchronous Long Distance Remote Copy for Data MigrationInForm OS Version 2.3.1 Remote Copy User’s Guide Remote Copy information as displayed by

C.98Synchronous Long Distance Remote Copy for Data MigrationRemote Copy User’s Guide InForm OS Version 2.3.1 Remote Copy information as displayed by

C.99Synchronous Long Distance Remote Copy for Data MigrationInForm OS Version 2.3.1 Remote Copy User’s GuideFigure C-11. Synchronous Long Distance Re

C.100Synchronous Long Distance Remote Copy for Data MigrationRemote Copy User’s Guide InForm OS Version 2.3.11 Create a new target (InServC) for InSer

C.101Synchronous Long Distance Remote Copy for Data MigrationInForm OS Version 2.3.1 Remote Copy User’s Guide4 Issue the showrcopy command on InServB

2.16Remote Copy TargetsRemote Copy User’s Guide InForm OS Version 2.3.1Figure 2-8. Target Definitions (Single Pair, Bidirectional)In the previous fig

C.102Synchronous Long Distance Remote Copy for Data MigrationRemote Copy User’s Guide InForm OS Version 2.3.15 Issue the showrcopy command on InServC

C.103Synchronous Long Distance Remote Copy for Data MigrationInForm OS Version 2.3.1 Remote Copy User’s Guide7 Issue the showrcopy groups command on I

C.104Synchronous Long Distance Remote Copy for Data MigrationRemote Copy User’s Guide InForm OS Version 2.3.110 When production is switched to InServC

C.105Synchronous Long Distance Remote Copy for Data MigrationInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServB:# showrcopy groupsRemote Cop

C.106Synchronous Long Distance Remote Copy for Data MigrationRemote Copy User’s Guide InForm OS Version 2.3.1◆ On InServC:# showrcopy groupsRemote Cop

C.107Synchronous Long Distance Remote Copy for Data MigrationInForm OS Version 2.3.1 Remote Copy User’s Guide14 Begin failover on InServC to change th

C.108Synchronous Long Distance Remote Copy for Data MigrationRemote Copy User’s Guide InForm OS Version 2.3.115 Issue the showrcopy command on InServC

C.109Synchronous Long Distance Remote Copy for Data MigrationInForm OS Version 2.3.1 Remote Copy User’s Guide16 Remove InServA’s target and group affi

C.110Synchronous Long Distance Remote Copy for Data MigrationRemote Copy User’s Guide InForm OS Version 2.3.119 Issue the showrcopy command on InServB

C.111Synchronous Long Distance Remote Copy for Data MigrationInForm OS Version 2.3.1 Remote Copy User’s GuideThis changes the role of the group on InS

2.17Remote Copy LinksInForm OS Version 2.3.1 Remote Copy User’s Guide2.7 Remote Copy LinksRemote copy links are divided into two main types, sending l

C.112Synchronous Long Distance Remote Copy for Data MigrationRemote Copy User’s Guide InForm OS Version 2.3.1

InForm OS Version 2.3.1 Remote Copy User’s GuideD.1Comparing MTU SpeedsDComparing MTU SpeedsDepending on workload, you might see as much as a 50 perce

D.2Remote Copy User’s Guide InForm OS Version 2.3.1b For both the primary and backup servers, create a 20 GB test virtual volume that belongs to the C

D.3InForm OS Version 2.3.1 Remote Copy User’s Guide5 Stop the Remote Copy operation on the group. The -nosnap option in the following example prevents

D.4Remote Copy User’s Guide InForm OS Version 2.3.110 Remove the test CPG, volume group, and virtual volume from both the primary and backup servers a

InForm OS Version 2.3.1 Remote Copy User’s GuideIX.1 1-to-N configurationsrestrictions 2.431-to-N unidirectional disaster recoveryasynchronous periodi

IX.2Remote Copy User’s Guide InForm OS Version 2.3.1 controlport 3.8, 3.9, 3.10, 3.11, 3.12, 3.13, 3.14, 4.12, 5.3, B.9creatercopygroup 3.22, 4.12, B.

IX.3InForm OS Version 2.3.1 Remote Copy User’s Guide displayconfiguration details B.57statistics for group B.74documentation, related 1.2double link f

IX.4Remote Copy User’s Guide InForm OS Version 2.3.1 Gigabit Ethernet (GigE) 2.19receiving links 2.18sending 2.17loss of sync between volume groups 4.

IX.5InForm OS Version 2.3.1 Remote Copy User’s Guide reversing active and backup server designations C.32reversing primary and backup server designati

2.18Remote Copy ConnectionsRemote Copy User’s Guide InForm OS Version 2.3.1Figure 2-10. Sending Links for a Remote Copy Pair2.7.2 Receiving LinksWhil

IX.6Remote Copy User’s Guide InForm OS Version 2.3.1 statport commandstatport -rcip D.1statrcopy command 4.2, B.74stopRemote Copy 4.11Remote Copy oper

IX.7InForm OS Version 2.3.1 Remote Copy User’s Guide drawbacks 2.21loss of sync between 4.4maximum supported number of volumes 2.21preventing volume g

IX.8Remote Copy User’s Guide InForm OS Version 2.3.1

InForm OS Version 2.3.1 Remote Copy User’s GuideRH.1Revision History Revision HistoryRelease level Revision summary320-200175 Rev AOctober 2009First r

RH.2Remote Copy User’s Guide InForm OS Version 2.3.1

2.19Remote Copy ConnectionsInForm OS Version 2.3.1 Remote Copy User’s GuideConnections between servers in the same room could be provided as direct Gi

2.20Remote Copy OperationRemote Copy User’s Guide InForm OS Version 2.3.1storage servers in the proposed configuration are separated by a large distan

2.21Remote Copy OperationInForm OS Version 2.3.1 Remote Copy User’s GuideFor bidirectional configurations, both storage servers can hold primary and s

2.22Remote Copy OperationRemote Copy User’s Guide InForm OS Version 2.3.1For unidirectional Remote Copy, each virtual volume in a Remote Copy group on

2.23Remote Copy OperationInForm OS Version 2.3.1 Remote Copy User’s Guide2.9.1.1 Synchronous ModeIn synchronous mode, a host-initiated write is perfor

ivTable of Contents Remote Copy User’s Guide InForm OS Version 2.3.12.6 Remote Copy Targets 2.152.6.1 Target Definitions 2.152.7 Remote Copy Links

2.24Remote Copy OperationRemote Copy User’s Guide InForm OS Version 2.3.12.9.1.1.1 LatencySynchronous mode adds more latency to the write because the

2.25Remote Copy OperationInForm OS Version 2.3.1 Remote Copy User’s Guide2.9.2 Synchronization TypesThere are two types of synchronizations that are p

2.26Remote Copy OperationRemote Copy User’s Guide InForm OS Version 2.3.1Figure 2-15. Snapshot Creation Prior to Resynchronization (Asynchronous Peri

2.27Remote Copy OperationInForm OS Version 2.3.1 Remote Copy User’s GuideIf the primary volume has been previously synchronized, and a resynchronizati

2.28Remote Copy OperationRemote Copy User’s Guide InForm OS Version 2.3.12.9.2.2 Synchronous Mode Volume Groups Rather than creating snapshots on the

2.29Remote Copy OperationInForm OS Version 2.3.1 Remote Copy User’s Guide2.9.4 Manual ResynchronizationAdditional manual resynchronizations might be i

2.30Remote Copy and 3PAR Virtual DomainsRemote Copy User’s Guide InForm OS Version 2.3.12.9.6 Throughput Limiting OptionFor asynchronous periodic mode

2.31Use of Virtual Copy SnapshotsInForm OS Version 2.3.1 Remote Copy User’s Guide2.11 Use of Virtual Copy SnapshotsRemote Copy uses virtual copy snaps

2.32Use of Virtual Copy SnapshotsRemote Copy User’s Guide InForm OS Version 2.3.1If the primary server fails during a resynchronization and the backup

2.33Remote Copy and Thin ProvisioningInForm OS Version 2.3.1 Remote Copy User’s Guiderecent snapshot is promoted. To see an example disaster recovery

vTable of Contents InForm OS Version 2.3.1 Remote Copy User’s Guide2.13.2 Double Link Failure 2.362.13.2.1 Synchronous Volume Groups 2.362.13.2.2 As

2.34Remote Copy and Thin ProvisioningRemote Copy User’s Guide InForm OS Version 2.3.1For example, when Remote Copy requires that the system create a n

2.35Error HandlingInForm OS Version 2.3.1 Remote Copy User’s Guide2.12.3 Fully Provisioned Virtual VolumesFully provisioned virtual volumes can also d

2.36Error HandlingRemote Copy User’s Guide InForm OS Version 2.3.1When a link between storage servers is broken, an alert is issued on each storage sy

2.37Error HandlingInForm OS Version 2.3.1 Remote Copy User’s GuideIn addition to taking snapshots, the offset and length of the I/O will fail to compl

2.38Error HandlingRemote Copy User’s Guide InForm OS Version 2.3.1When synchronous replication is used, low timeout values are used in an attempt to e

2.39Error HandlingInForm OS Version 2.3.1 Remote Copy User’s Guide If the no_fail_wrt_on_err policy is enabled for a synchronous volume group (this i

2.40Error HandlingRemote Copy User’s Guide InForm OS Version 2.3.1As long as you have set the synchronization period using the setrcopygroup command,

2.41Requirements and RestrictionsInForm OS Version 2.3.1 Remote Copy User’s Guide2.14 Requirements and Restrictions Remote Copy requires the use of a

2.42Requirements and RestrictionsRemote Copy User’s Guide InForm OS Version 2.3.1Systems used by Remote Copy must adhere to the following restrictions

2.43Requirements and RestrictionsInForm OS Version 2.3.1 Remote Copy User’s Guide2.14.1 N-to-1 RestrictionsIn addition to those requirements and restr

viTable of Contents Remote Copy User’s Guide InForm OS Version 2.3.13.5.1.3 Creating Remote Copy Volume Groups 3.213.5.1.4 Start Copying 3.233.5.1.5

2.44Requirements and RestrictionsRemote Copy User’s Guide InForm OS Version 2.3.12.14.2 1-to-N RestrictionsIn addition to those requirements and restr

2.45Requirements and RestrictionsInForm OS Version 2.3.1 Remote Copy User’s Guide2.14.3 Synchronous Long Distance RestrictionsFor Synchronous Long Dis

2.46Requirements and RestrictionsRemote Copy User’s Guide InForm OS Version 2.3.1

InForm OS Version 2.3.1 Remote Copy User’s Guide3.1Remote Copy Setup3Remote Copy SetupIn this chapter3.1 Available Setup Methods 3.23.2 Preparing

3.2Available Setup MethodsRemote Copy User’s Guide InForm OS Version 2.3.13.7 Initial Synchronization Using Tape Backup 3.383.1 Available Setup Meth

3.3Gathering Necessary InformationInForm OS Version 2.3.1 Remote Copy User’s Guide When configuring the Gigabit Ethernet (GigE) interface, the GigE i

3.4Gathering Necessary InformationRemote Copy User’s Guide InForm OS Version 2.3.1After the Remote Copy configuration is complete, you can use the InF

3.5Gathering Necessary InformationInForm OS Version 2.3.1 Remote Copy User’s GuideFigure 3-2. Network and Remote Copy Over IP Setup Information (Init

3.6Gathering Necessary InformationRemote Copy User’s Guide InForm OS Version 2.3.1Figure 3-3. Network and Remote Copy Over IP Setup Information (Addi

3.7Gathering Necessary InformationInForm OS Version 2.3.1 Remote Copy User’s GuideFigure 3-4. Network and Remote Copy Over Fibre Channel Setup Inform

viiTable of Contents InForm OS Version 2.3.1 Remote Copy User’s Guide5.1.3 Distance 5.25.1.4 MTU Size 5.25.1.5 Autonegotiation 5.35.1.6 Remote Copy

3.8Setting the Remote Copy Transport LayerRemote Copy User’s Guide InForm OS Version 2.3.13.4 Setting the Remote Copy Transport LayerPrior to setting

3.9Setting the Remote Copy Transport LayerInForm OS Version 2.3.1 Remote Copy User’s Guide3.4.2 Setting Up the Remote Copy Interface for RCIPFor RCIP,

3.10Setting the Remote Copy Transport LayerRemote Copy User’s Guide InForm OS Version 2.3.11 Use the following command to set the system gateways for

3.11Setting the Remote Copy Transport LayerInForm OS Version 2.3.1 Remote Copy User’s GuideThis command performs a ping from the specified interface (

3.12Setting the Remote Copy Transport LayerRemote Copy User’s Guide InForm OS Version 2.3.1If the MTU value of 9000 is supported by the network, incre

3.13Setting the Remote Copy Transport LayerInForm OS Version 2.3.1 Remote Copy User’s Guide◆ If the pings fail, issue another set of pings without spe

3.14Setting the Remote Copy Transport LayerRemote Copy User’s Guide InForm OS Version 2.3.1Figure 3-5. Remote Copy over Fibre Channel Dedicated Node

3.15Setting the Remote Copy Transport LayerInForm OS Version 2.3.1 Remote Copy User’s Guide3 Verify the Fibre Channel transports are present on the Fi

3.16Setting Up Remote CopyRemote Copy User’s Guide InForm OS Version 2.3.13.5 Setting Up Remote CopyThe following sections describe the steps involve

3.17Setting Up Remote CopyInForm OS Version 2.3.1 Remote Copy User’s Guide Follow the instructions in Setting Up Unidirectional Remote Copy on page 3

viiiTable of Contents Remote Copy User’s Guide InForm OS Version 2.3.1removercopygroup B.31removercopytarget B.33setrcopygroup B.35setrcopytarget

3.18Setting Up Remote CopyRemote Copy User’s Guide InForm OS Version 2.3.1 A virtual volume on InServ2 is called vv1_remote and is the only member of

3.19Setting Up Remote CopyInForm OS Version 2.3.1 Remote Copy User’s Guide◆ <link_IP_addr> is the link IP address for the target system (for exa

3.20Setting Up Remote CopyRemote Copy User’s Guide InForm OS Version 2.3.1◆ <link_IP_addr> is the link IP address for the target system (for exa

3.21Setting Up Remote CopyInForm OS Version 2.3.1 Remote Copy User’s Guidereturns a Status of Up, the links have come up. Be sure to check that links

3.22Setting Up Remote CopyRemote Copy User’s Guide InForm OS Version 2.3.1The creatercopygroup command creates a volume group on the primary storage s

3.23Setting Up Remote CopyInForm OS Version 2.3.1 Remote Copy User’s Guide3 On the primary storage server, add pre-existing virtual volumes to the new

3.24Setting Up Remote CopyRemote Copy User’s Guide InForm OS Version 2.3.12 Issue the showrcopy command again to verify that the groups are synchroniz

3.25Setting Up Remote CopyInForm OS Version 2.3.1 Remote Copy User’s Guide3.5.1.5 Setting Up Additional Remote Copy PairsFor configurations that use m

3.26Setting Up Remote CopyRemote Copy User’s Guide InForm OS Version 2.3.1Figure 3-7. Configuring Bidirectional Remote Copy ConnectionsTo set up volu

3.27Setting Up Remote CopyInForm OS Version 2.3.1 Remote Copy User’s GuideIn order to use this command, you must specify a <group_name> (for exa

ixTable of Contents InForm OS Version 2.3.1 Remote Copy User’s GuideD Comparing MTU SpeedsIndexRH Revision History

3.28Synchronous Long Distance Remote Copy SetupRemote Copy User’s Guide InForm OS Version 2.3.1The admitrcopyvv command adds the specified volume (vv2

3.29Synchronous Long Distance Remote Copy SetupInForm OS Version 2.3.1 Remote Copy User’s Guide InServB is the backup storage system◆ Target name: In

3.30Synchronous Long Distance Remote Copy SetupRemote Copy User’s Guide InForm OS Version 2.3.1◆ Node 0 WWN: 20210002AC0000C3◆ Node 1 WWN: 21210002AC0

3.31Synchronous Long Distance Remote Copy SetupInForm OS Version 2.3.1 Remote Copy User’s Guide3.6.1 Setting Up the Primary ServerTo set up the primar

3.32Synchronous Long Distance Remote Copy SetupRemote Copy User’s Guide InForm OS Version 2.3.13.6.2 Setting Up the Backup ServersThe commands used to

3.33Synchronous Long Distance Remote Copy SetupInForm OS Version 2.3.1 Remote Copy User’s Guide3 Define a second target for InServB:◆ <target_name&

3.34Synchronous Long Distance Remote Copy SetupRemote Copy User’s Guide InForm OS Version 2.3.1◆ IP states that this is an IP link.◆ <node> spec

3.35Synchronous Long Distance Remote Copy SetupInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServB:◆ On InServC:# showrcopyRemote Copy System

3.36Synchronous Long Distance Remote Copy SetupRemote Copy User’s Guide InForm OS Version 2.3.13.6.4 Creating Synchronous Long Distance Remote Copy Vo

3.37Synchronous Long Distance Remote Copy SetupInForm OS Version 2.3.1 Remote Copy User’s Guide◆ On InServA:◆ On InServB:# showrcopy groupsGroup Infor