IBM 200 GB LTO-2 User Manual page 54

Table 5. Diagnostic and maintenance functions (continued)
Function Code L - Reserved for Future Use
Reserved for future use.
Function Code P or U - Enable or Disable Post Error Reporting
Used by support personnel during error detection, this function is an alternate method of setting or preventing the
post error (PER) bit in the SCSI Read-Write Error Recovery Page. For more information, refer to the MODE SENSE
command in the IBM LTO-2 Ultrium Tape Drive SCSI Reference.
1. Make sure that no cartridge is in the drive.
2. Within a 1.5-second interval, press the unload button three times. The status light becomes solid amber, which
means that the drive is in maintenance mode.
3. Perform one of the following:
v To enable post error reporting, press the unload button once per 1.5 seconds until U appears in the
single-character display. If you cycle past U, continue to press the unload button until it redisplays.
v To disable post error reporting, press the unload button once per 1.5 seconds until P appears in the
single-character display. If you cycle past P, continue to press the unload button until it redisplays.
4. To select the function, press and hold the unload button for 3 seconds. After you select the function, the drive
displays one of the following:
v P to indicate that post error reporting is enabled.
v U to indicate that post error reporting is disabled.
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IBM 200/400GB LTO-2 Tape Drive: User's Guide