Troubleshooting 159
Drive is not detected
Action:
1. Be sure no loose connections (on page 154
) exist.
2. Refer to the drive documentation to be sure cables are connected as required.
3. Be sure the cables are working properly. Replace with known functional
cables to test whether the original cables were faulty.
4. Be sure the correct, current driver is installed.
DAT drive problems
List of problems:
Sense error codes are displayed..................................................................................................159
DAT drive error or failure occurs...............................................................................................159
DAT drive is providing poor performance.................................................................................160
Latest firmware indicates a defective tape, or head clogs occur regularly.................................160
Other errors are occurring ..........................................................................................................160
Sense error codes are displayed
Action: Refer to the Troubleshooting DAT Drives white paper for information on
DAT drive sense error codes. Search for it on the HP website
(http://www.hp.com
).
DAT drive error or failure occurs
Action:
1. Be sure drivers, software, and firmware are upgraded to the latest revisions.
2. 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 of use or they may fail
intermittently when using marginal or bad media. Be sure you are following
the proper cleaning procedures described in the device and server
documentation.
NOTE: New DAT tapes may contain debris that will contaminate the
DAT drive read/write head. If using new tapes for backup, clean the
DAT drive frequently.
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