Cache Failure; Unregistered Error Code For Tpc-R - HP XP P9500 User Manual
P9000 continuous access synchronous for mainframe systems
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The Basic HyperSwap function performed from TPC-R may fail, when the FREEZE command process
does not complete within 20 seconds. We recommend the following conditions to complete the
FREEZE command process within 20 seconds.
(Number of Host paths) x (Number of LPARs) x (Number of CGROUPs (Number of CUs)) ≤
160
Number of pairs ≤ 4,096
Figure 3 Configuration of Cnt Ac-S Z synchronous pair M-VOLs and R-VOLs using TPC-R
Cache failure
When a cache failure occurs on the storage system, recover the cache failure, and then
resynchronize the Cnt Ac-S Z pair from TPC-R. Resynchronizing the Cnt Ac-S Z pair before recovering
the cache failure causes the resynchronization to fail. In this case, TPC-R issues a pair-deletion
command and resynchronizes the Cnt Ac-S Z pair automatically. All data in the M-VOL is recopied
to the R-VOL.
Unregistered error code for TPC-R
When using Basic HyperSwap, an unregistered error code for TPC-R might be displayed. In this
case, recover the Cnt Ac-S Z pair using the method described in the following table.
Table 9 Unregistered error code for TPC-R
Error code
0F0E
24
Requirements and specifications
Operation
Description
Pair creation
The Cnt Ac-S Z pair creation failed because
it was executed when a failure occurred in
the cache.
Pair
The Cnt Ac-S Z pair resynchronization
resynchronization
operation failed because it was executed
when a failure occurred in the cache.
Although the Cnt Ac-S Z pair is deleted and
recreated (a whole copy) by the recovery
operation of TPC-R from the Cnt Ac-S Z pair
resynchronization failure, the recovery
operation fails.
Recovery procedure
Remove the failure on the
cache, and then retry the Cnt
Ac-S Z pair creation operation.
Remove the failure in the
cache, and then retry the Cnt
Ac-S Z pair resynchronization
operation.
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