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2. Confirm that the appropriate drives are online and available by issuing the
following command:
LIBRARY DISPDRV, libname
1
For any drive that is not online, issue the following command:
VARY xxx, ONLINE
3. If the system environment includes JES-3, the library tape drives must be in
normal status. Use of the JES-3 VARY commands for the GLOBAL and all
LOCAL processors may be appropriate.
4. If the system environment includes LEGENT Multiple Image Manager (MIM), the
library tape drives must be in normal status. Use the MIM vary commands on
each applicable host.
5. If the system environment includes a different product such as ADSM or EPIC,
use the appropriate commands to ensure normal library and tape drive status.
6. Any pending jobs waiting for a response to an outstanding WTOR (CBR4196D)
message may be retried by responding to the host request with an R (Retry).
7. If the CHECK-1 occurred while doing cartridge ejects, verify if the last 3 volsers
placed in either the high-capacity I/O facility or the Convenience I/O station are
still present in the DFSMS database. If the volsers are present in the DFSMS
database, the volsers must be inserted through an input station, then the
DFSMS command to eject the volsers needs to be reissued.
This completes the DFSMS recovery procedure. The library subsystem should now
be ready for submission of tape jobs.
Note: Any tape job that abended will need to be resubmitted.
Library Manager Failure in an MVS/BTLS Environment
The following failure conditions cause the operator to initiate this procedure:
v Library manager CHECK-1 condition
v Library manager hardware failure
v Library manager processor exception software error
When the active library manager fails in a dual library manager system, it may or
may not display a message. The standby library manager displays a message
stating that a switch over is being made, which can take up to 10 minutes to
complete.
Note: Some library manager recovery operations may take longer than expected to
complete. Allow sufficient time for the library manager to complete its switch
over procedures. Seek assistance before interrupting the library manager
recovery operation.
Host Messages (MVS/BLTS Environment)
When the library manager fails, BTLS ERA=70 Library Manager Equipment
Check may appear on the host console for single library managers or dual library
managers unable to switch over. For dual library managers that are capable of
switching, BTLS ERA=74 Library Informational Data may appear on the host
console.
Chapter 8. Problem Determination Procedures 265
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