Table 9. Diagnostic and maintenance functions (continued)

Function Code 4 - Force a Drive Dump

Causes the tape drive to perform a collection (or dump) of data. (A drive dump is also known as a save of the firmware trace.) The dump (firmware trace) can only be analyzed by IBM.

Note: When an error code displays, a red dot also displays to remind you that a dump already exists. If you perform Function Code 4, it will overwrite the dump and cause the error information to be lost.

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.Press the unload button once per 1.5 seconds until 4 appears in the single-character display. If you cycle past 4, 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, 4 displays, followed by 0. The single-character display then goes blank, and the tape drive exits maintenance mode.

An illuminated red dot on the single-character display indicates that a drive dump has been created. To retrieve the dump from the drive, see Function Code 5 on page 38.

You can also perform this operation when the tape drive is in normal operating mode. Simply press and hold the unload button for 10 seconds.

Function Code 5 - Copy the Drive Dump to Tape (at Beginning of Tape)

Causes the tape drive to copy data from a drive dump (captured with Function Code 4) to the beginning of a scratch data cartridge. An illuminated red dot on the single-character display indicates that a drive dump has been created.

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.Press the unload button once per 1.5 seconds until 5 appears in the single-character display. If you cycle past 5, 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, C flashes. When C flashes, the drive is waiting for a cartridge. Within 60 seconds, insert a scratch data cartridge that is not write-protected (or the tape drive exits maintenance mode). After you insert the cartridge, 5 flashes and the tape drive writes the dump data to the tape (at the beginning of the tape). When the function is complete, 0 displays, the drive rewinds and unloads the tape, and exits maintenance mode.

From the server, issue the SCSI READ command to read the dump from the tape to a file or electronic image. For information about where to send the electronic image, contact your OEM Product Application Engineer (PAE).

38IBM TotalStorage LTO Ultrium 2 Tape Drive

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IBM Partner Pavilion T400F manual Function Code 4 Force a Drive Dump

T400, T400F specifications

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