How to take a drive offline from the IBM Storage Archive Enterprise Edition system to run diagnostic
operations, while the system continues to stay operational. To accomplish this task, use software
such as the IBM® Tape Diagnostic Tool (ITDT) or the IBM LTFS Format Verifier.
About this task
Note: Ensure that you have a non-pool cartridge available in the logical library of your IBM Storage Archive Enterprise Edition system if the diagnostic operation
requires that a cartridge be loaded into the drive. If a cartridge is in the tape drive when the
drive is removed, the cartridge gets automatically moved to the home slot.
Complete the following steps to run diagnostics:
Procedure
-
Identify the node ID number of the drive to be taken offline by using the eeadm drive
list command, as in the following example:
# eeadm drive list
Drive S/N Status State Type Role Library Node ID Tape Node Group Task ID
00078D0215 ok not_mounted LTO7 mrg lib1 3 - G0 -
1013000152 ok not_mounted LTO8 mrg lib1 1 - G0 -
-
Remove the tape drive from the Storage Archive Enterprise Edition inventory
by specifying the eeadm drive unassign <drive_serial> -l <library_name>
command, for example:
#eeadm drive unassign 00078D0215 -l lib1
-
Check the success of the removal.
Use the
eeadm drive list -l <library_name> command, and verify that the
output shows that the
State
for the drive is
unassigned
.
# eeadm drive list
Drive S/N Status State Type Role Library Node ID Tape Node Group Task ID
00078D0215 info unassigned NONE --- lib1 - - - -
1013000152 ok not_mounted LTO8 mrg lib1 1 - G0 -
- Run tape service tools on the drive that was removed to diagnose and correct the
problem.
-
Add the drive back into the IBM Storage Archive
EE inventory by using the
eeadm drive assign <drive_serial> -n <node_id> -l <library_name>
command. Use the same node and library that the drive was assigned to originally (in step 1),
for example:
# eeadm drive assign 00078D0215 -n 1