HP BACKCOPY Reference Manual page 217

Effect. BACKUP terminates.
Recovery. The SIT must fit on one reel. Mount a longer tape reel, and reissue the command.
7528
Not a BACKUP tape (bad label identifier).
Cause. An attempt was made to restore a tape, but the label could not be read.
Effect. RESTORE terminates.
Recovery. Check that you are using the correct tape or create a new BACKUP tape. Then retry the
RESTORE operation.
7529
Not a BACKUP tape.
Cause. BACKUP requested a previous reel, and the reel mounted was not a BACKUP tape.
Effect. BACKUP unloads the tape and prompts for the correct reel.
Recovery. Mount the correct tape and press the Return key.
7530
Wrong tape mounted.
Cause. For BACKUP, the tape mounted was not the requested tape. For RESTORE, the wrong reel
of a multiple reel BACKUP tape set was mounted.
Effect. BACKUP waits for the operator response. RESTORE prompts again for the next reel.
Recovery. For BACKUP, mount the correct tape and press Return. To terminate the backup operation,
type STOP and press Return. For RESTORE, mount the correct reel and press Return or check the
tape density.
7532
Bad tape sequence number value (Expected sequence number: e,
Actual sequence number: a).
Cause. BACKUP or RESTORE encountered a BACKUP tape record with an invalid sequence number.
Three possible reasons are:
BACKUP was stopped in the middle of a backup operation, resulting in an incomplete BACKUP
tape. The "Bad Tape Sequence Number" was detected when unwanted or meaningless
information was encountered at the interruption point on the tape.
The BACKUP tape was corrupted in some way.
Either BACKUP produced an invalid tape, or BACKUP or RESTORE is not checking correctly
due to a software error.
Effect. BACKUP or RESTORE terminates.
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