IBM TS2340 User Guide - Page 139

Tape Drive Service Aids, Details of Tape Drive Service Aids

Page 139 highlights

Linux Device Driver (lin_tape) to the debug buffer. To prevent multiple identical entries in the error log, subsequent reservation conflicts from the same reserving host WWPN will not be logged. Tape Drive Service Aids The service aids described here are accessible through both the interactive and command-line mode of the IBMtapeutil. Refer to "Service Aid Subcommands" on page 392. For information on using tape drive service aids with the IBM Virtualization Engine TS7510, please refer to the IBM System Storage Virtualization Engine TS7510 Installation and Planning Guide at: http://www-03.ibm.com/ systems/storage/index/tape.html Details of Tape Drive Service Aids The following service aid utilities are available through the utility program IBMtapeutil installed with the lin_tape device driver. v Force Microcode Dump v Read Dump v Load Microcode v Reset Drive Force Drive Dump: This utility forces a dump operation on the tape drive. After the dump operation is performed, the dump data can be saved to a file using the Read Dump utility. To access this utility, invoke IBMtapeutil, then choose ″Force Dump″ under ″Service Aids Commands″ in the menu or issue the following command: IBMtapeutil -f /dev/IBMtape0 forcedump Read Dump: This utility transfers the dump data from the device to a file, a diskette, or a tape cartridge. It follows a force drive dump operation. To access this utility, invoke IBMtapeutil, then choose ″Dump Device″ under ″Service Aids Commands″ in the menu or issue the following command: IBMtapeutil -f /dev/IBMtape0 dump [filename] If the filename is not specified, dump0001.dmp is used as the default. All the dump files are stored under the current directory. Load Microcode: This utility downloads microcode to the tape drive or medium changer from a file. To access this utility, invoke IBMtapeutil, then choose ″Load Ucode″ under ″Service Aids Commands″ in the menu or issue the following command: IBMtapeutil -f /dev/IBMtape0 ucode filename Note: The filename has to be specified. Otherwise, IBMtapeutil returns an error. Reset Drive: This utility resets the tape drive. To access this utility, invoke IBMtapeutil, then choose ″Reset Drive″ under ″Service Aids Commands″ in the menu or issue the following command: IBMtapeutil -f /dev/IBMtape0 resetdrive Chapter 5. Linux Tape and Medium Changer Device Driver 121

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to the debug buffer. To prevent multiple identical entries in the error log,
subsequent reservation conflicts from the same reserving host WWPN will not be
logged.
Tape Drive Service Aids
The service aids described here are accessible through both the interactive and
command-line mode of the
IBMtapeutil
. Refer to “Service Aid Subcommands” on
page 392. For information on using tape drive service aids with the IBM
Virtualization Engine TS7510, please refer to the IBM System Storage Virtualization
Engine TS7510 Installation and Planning Guide at: http://www-03.ibm.com/
systems/storage/index/tape.html
Details of Tape Drive Service Aids
The following service aid utilities are available through the utility program
IBMtapeutil
installed with the lin_tape device driver.
v
Force Microcode Dump
v
Read Dump
v
Load Microcode
v
Reset Drive
Force Drive Dump:
This utility forces a dump operation on the tape drive. After
the dump operation is performed, the dump data can be saved to a file using the
Read Dump utility. To access this utility, invoke
IBMtapeutil
, then choose
Force
Dump
under
Service Aids Commands
in the menu or issue the following
command:
IBMtapeutil
-f /dev/IBMtape0 forcedump
Read Dump:
This utility transfers the dump data from the device to a file, a
diskette, or a tape cartridge. It follows a
force drive dump
operation. To access this
utility, invoke
IBMtapeutil
, then choose
Dump Device
under
Service Aids
Commands
in the menu or issue the following command:
IBMtapeutil
-f /dev/IBMtape0 dump [filename]
If the filename is not specified,
dump0001.dmp
is used as the default. All the dump
files are stored under the current directory.
Load Microcode:
This utility downloads microcode to the tape drive or medium
changer from a file. To access this utility, invoke
IBMtapeutil
, then choose
Load
Ucode
under
Service Aids Commands
in the menu or issue the following
command:
IBMtapeutil
-f /dev/IBMtape0 ucode filename
Note:
The filename has to be specified. Otherwise,
IBMtapeutil
returns an error.
Reset Drive:
This utility resets the tape drive. To access this utility, invoke
IBMtapeutil
, then choose
Reset Drive
under
Service Aids Commands
in the
menu or issue the following command:
IBMtapeutil
-f /dev/IBMtape0 resetdrive
Linux Device Driver (lin_tape)
Chapter 5. Linux Tape and Medium Changer Device Driver
121