Hardware Problems
2-34
HP Servers Troubleshooting Guide
HP CONFIDENTIAL
Writer: Ted Weiman File Name: c-ch2 Hardware Problems.doc
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DAT Drives
Use Table 2-13 to troubleshoot common DAT drive problems.
Table 2-13: DAT Drive Problems
Problem Possible
Cause Possible
Solution
DAT drive sense error
codes are displayed.
There is a drive error.
DAT drive sense error codes are detailed
in the whitepaper
Troubleshooting DAT
Drives
. Search the following website:
www.hp.com
Drivers and software are
not current.
Upgrade drivers, software, and firmware
to the latest revisions.
DAT drive error or failure
occurs.
Drive has particle
contamination on the
heads.
Clean the drive at least four times to be
sure that the heads are clean and to
eliminate dirty heads as the possible
cause of the failure.
DAT drives require cleaning every 8 to 25
hours or they may fail intermittently when
using marginal or bad media. Be sure
that you are following the proper regular
cleaning procedures. Refer to Chapter 6,
“Error Prevention.”
DAT drive is providing
poor performance.
Drive is being used to
backup more than what is
recommended.
DAT drives are designed with optimum
and maximum data backup sizes due to
the time it takes to backup and verify
large amounts of data and the increased
cleaning requirements of the drive when
used for backing up large amounts of
data. Refer to the drive documentation to
determine the appropriate data backup
size for the drive.
Latest firmware indicates
a defective tape.
Head clogs occur
regularly.
Media is defective.
Replace the media.
Problem is still not
solved.
Drive is bad.
Replace the drive.