Library Manager Switching Window - IBM TotalStorage 3494 Tape Library Operator's Manual

Single Library Manager Configuration:
For a single Library Manager configuration, perform the following steps:
1. Wait for the Library Manager to be re-initialized and enter the Auto mode,
2. If the failure occurred while inserting cartridges into the high-capacity I/O
3. If the Library Manager reflects the Auto mode, Online state, it has recovered.
4. If the Library Manager does not display the Auto mode, Online state and more
5. When the repair action is completed and the library is available to be varied
Dual Library Manager Configuration:
For a dual Library Manager configuration, perform the following steps:
1. Wait until the switchover completes and the standby Library Manager has
Figure 282. Library Manager Switching Window
2. Call your service representative to repair the failed Library Manager.
3. If the failure occurred while inserting cartridges into the high-capacity I/O
4. Notify the host operator that the switchover is complete.
5. Continue with "DFSMS Host Action."
DFSMS Host Action
If the Library Manager has been varied offline because of the failure, when the
Library Manager is in the Auto mode, Online state, perform the following actions
at the host:
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3494 Tape Library Operator Guide
Online state. This may take up to 20 minutes.
facility, do not remove the cartridges. Leave the cartridges in place, and the
operation restarts automatically. Cartridges inserted in the convenience I/O
station that remain in the station must be removed from the station, then
reinserted after the Library Manager re-initializes.
Call your service representative for a recoverable Library Manager error.
Continue with "DFSMS Host Action."
or
than 30 minutes have elapsed since the re-initialization started, call your service
representative for a unrecoverable Library Manager error.
online, continue with "DFSMS Host Action."
become the active Library Manager. The switchover takes approximately ten
minutes (see Figure 282).
The failed Library Manager may recover from the failure and become available
as the standby Library Manager after the database is synchronized.
facility, do not remove the cartridges. Leave the cartridges in place, and the
operation restarts automatically. Cartridges inserted in the convenience I/O
station that remain in the station must be removed from the station, then
reinserted after the Library Manager re-initializes.