Hp StorageWorks DAT 72x10 Tape Autoloader Instrukcja Użytkownika Strona 14
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• Multi-mode rated SCSI cabling and terminators. Multi-mode terminators allow both LVD and
single-ended devices to be connected to the same bus. They detect the type of bus and
automatically supply the corre ct termination. The LVD interface enables the data to be transferred
at the drive’s maximum rate.
The autoloader is also supported on SE SCSI, but this will limit cable length and may degrade
performance. Similarly, if there are SE devices attached to an LVDS bus, the autoloader’s performance is
limited to the maximum data transfer speed and maximum cable lengths of the SE bus. If necessary,
install a SCSI host adapter, software, and compatible driver(s). Refer to the manuals for the host computer
and the SCSI host adapter for detailed information.
Table 3 Supported SCSI bus t ypes
SCSI Bus Type
Supported
Ultra160 LVD, Ultra32 0 LVD
Yes.These are recommended configurations.
Ultra2 LVD, Ultra Wide LVD
Yes.
Ultra wide, single-ended
Yes.
Ultra narrow, single-ended
Yes.
Fast, single-ended
Not recomm ended. This will degrade performance and limit cable
length.
High Voltage D ifferential
No. The drive will not work and you may damage the drive or controller
IMPORTANT:
The HP StorageWorks DAT 72x10 1U Tape Autoloader in NOT compatible with a standard differential
(Diff) or High-Voltage Differential (HVD) SCSI bus. This autoloader IS compatible with a narrow (50-pin)
SCSI bus using a 68-pin to 50-pin adapter that terminates the unused 18 pins (Not included with the
autoloader). These adapters are sometimes labeled high-byte termination.
LUN scanning
TheHPStorageWorksDAT 72x10 1UTapeAutoloaderusesasingle SCSI ID anddualLUNstocontrol
the
tape drive (LUN 0) and autoloader robotic (LUN 1) . The autoloader requires an HBA that supports
LUN scanning. If it is not enabled, your host system will not scan beyond LUN 0 and will fail to discover
the
autoloader. It will just see the tape drive.
Some HBAs,suchasRAIDcontrollers,donot support LUNscanning. For themostup-to-dateSCSIHBA
compatibility information, refer to w
ww.hp.com/go/connect.
Preparing the host
IMPORTANT:
Use proper procedures to prevent electrostatic discharge (ESD). Use wrist-grounding straps and anti-static
mats when handing internal components.
Follow these general guidelines:
•
If necessary, install a suitably rated HBA, see “SCSI requirements” on page 13. Remember that if
there are any SE devices on the same SCSI bus, the entire SCSI bus will negotiate down to SE
speed
and severely degrade performance and limit cable length.
• Ma ke sure that your backup application and SCSI host bus adapter are compatible with the
autoloader.
• If the host server is conne cted to a n et work, check with the system adm inistrator before turning
off
power.
14
The H P StorageWorks DAT 72x10 1U Tape Autoloader
- HP StorageWorks 1
- DAT 72x10 1U Tape Autoloader 1
- Contents 3
- Figures 6
- Rack stability 10
- HP technical suppor t 10
- Product warranties 10
- About this guide 12
- Tape Autoloader 13
- LUN scanning 14
- Preparing the host 14
- Drivers and Backup Software 15
- Installing drivers on UNIX 16
- Installing drivers on IA64 16
- Upgrading backup soft ware 16
- Front panel overview 17
- Back panel ov 18
- 2Installingthe autoloader 19
- Unpacking the autoloader 20
- Removing the sh 21
- Refitting the shipping lock 21
- Installing the autoloader 22
- Verifying the connection 27
- 3 O perating t he autoloader 29
- Tape cartridges 30
- Labeling tape cartridges 31
- Backward read compatibility 32
- Magazines 33
- Operating the autoloader 34
- 4 Auto loader administration 35
- Status/Information 36
- Inventory 37
- Autoloader administr ation 38
- Configuration 39
- Setting autolo 40
- Unlocking, r 42
- Cleaning the tape drive 42
- Resetting the autoloader 44
- Activating OBD R mode 44
- If restore fails 45
- What does HP OBDR do? 45
- Support 46
- Running the d emonstration 47
- Running the Wellness test 47
- Autoloader administration 50
- 5 Troub leshooting 51
- Troubleshooting table 52
- Problem Solution 53
- Service and Repair 55
- Removing stuck c 56
- Autoloader error codes 58
- Summary of M ain Error codes 59
- Error Codes 60
- Description 60
- Solution 60
- 6 Techni cal specifi cations 61
- Environmental s 62
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