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Chapter 4 Troubleshooting Common Problems 149
Chapter 4
The library is not efficiently
backing up data.
■ Check the network bandwidth from the host computer.
■ Check that the library’s drive(s) are on their own SCSI bus and
not daisy-chained to another tape drive or the hard drive.
■ Check that the server and file system have the processing
power and memory needed to stream the tape drive.
■ Ensure that the drive is clean. (See Cleaning a Drive on
page 87.)
■ Try a new tape. A marginal tape can cause performance
problems due to bad spots on the tape requiring retries.
■ Ensure that the backup software is using fixed-length records
(or blocks) to maximize throughput and has not defaulted to a
smaller record size. (64K should be sufficient.)
■ Ensure that the data is being compressed, however do not turn
on both software and hardware compression.
■ Check the size of the files. Backing up several small files can
impact performance.
Operations
Cannot remember the
administration menu
password.
■ Contact your service representative.
Need to abort internal test
cycle.
■ Press [STOP]. The current test loop completes, then the test stops.
It may take a few minutes to stop the current test loop.
Table 27
Troubleshooting Table
Problem Solution