HP StorageWorks Ultrium Full-Height SCSI Tape Drives User Guide (EH853-90905, August 2007)

12 Troub leshootin g
Many users can use HP Library & Tape Tools to help them diagnose problems, see
“Diagnostic tools ” on page 59. We also recommend the detailed troubleshooting guide at
h
ttp://www.hp.com/go/support for comprehensive troubleshooting information.
General Procedure
If a problem oc
curs, the first step is to try to establish whether the problem lies with the cartridge, the
drive, the host computer and connections, or the way the system is being operated.
Has the system just been installed?
There could b
e an installation problem:
1. Check through the information in the relevant installation chapter of this guide.
2. Check the power connectors and SCSI cabling.
3. Is the SCSI ID co rrectly set? Is there a SCSI system conflict? H as the SCSI bus been corretly
terminated
?Seealso
4. Are appropriate drivers and application software installed on the host?
5. Check the environmental conditions against the specified limits.
Table 10 Environmental specifications for Ultrium tape drives
Temperature range
Non-condensing humidity range
Operating
50 to 95 F (10 to 40 C) at a minimum of 6
CFM airflow
20 to 80% RH (non-condensing)
Storage
-40 to 151 F (-40 to 66 C)
10 to 95% RH (non-condensing)
Are you using new car tridges or a different brand of cartridge? Have you been using th e particular
cartridge for a very long tim e?
The problem cou ld lie with the cartridge:
1.
Check through the media chapter on “Use the correct media” on page 49.
2. Check that you are using an Ultrium cartridge. Compatible media can be recognized by the Ultrium
logo,whichisthesameasthelogoonthefrontofyourdrive.
3. Use the correct media type, for example:
• Ultrium 1.6 TB RW* (C7974A) and Ultrium 1.6 TB* WORM (C7974W) tape cartridges for
use with Ultrium 1840 tape drives.
• Ultrium 800 GB RW* (C7973A) and Ultrium 800 GB* WORM (C7973W) tape cartridges
for use with Ultrium 960 tape drives.
• Ultrium 400 GB RW* (C7972A) tape cartridges for use with Ultrium 460 tape dri ves.
4. Has the cartridge been write-protected, see “Write protecting cartridges” on page 5 1?
5.
Clean the tape heads with the cleaning cartridge, see “Cleaning cartridges”onpage49. Make
sure you are using the HP Ultrium Universal cleaning cartridge, C7978A.
6. Try the operation again.
7. If the p roblem still oc curs, try using a different cartridge.
8. If the problem is still there, the problem probably lies with the drive or the host computer.
Ultrium full-height SCSI Tape D rives
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