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Troubleshooting 67
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.
DAT drive is providing poor performance
Action: Be sure the drive is not being used to backup more data than is recommended for the drive. DAT
drives are designed with optimum and maximum data backup sizes. Refer to the drive documentation to
determine the appropriate data backup size for the drive.
Latest firmware indicates a defective tape, or head clogs occur regularly
Action: Replace the tape.
Other errors are occurring
Action: Replace the drive.
Diskette drive problems
Diskette drive light stays on
Action:
1. Be sure no loose connections (on page 50) exist.
2. Be sure the diskette is not damaged. Run the diskette utility on the diskette (CHKDSK on some systems).
3. Be sure the diskette is properly inserted. Remove the diskette and reinsert correctly into the drive.
4. Be sure the diskette drive is cabled properly. Refer to the server documentation.
A problem has occurred with a diskette transaction
Action: Be sure the directory structure on the diskette is not bad. Run the diskette utility to check for
fragmentation (CHKDSK on some systems).
Diskette drive cannot read a diskette
Action:
1. If the diskette is not formatted, format the diskette.
2. Check the type of drive you are using and be sure you are using the correct diskette type.
Drive is not found
Action: Be sure no loose connections (on page 50) exist with the drive.
Non-system disk message is displayed
Action:
1. Remove the non-system diskette from the drive.