the S/P-VOL (oradb) is in a COPY or PAIR state, the pairsplit command is
rejected with EX_CMDRJE or EX_CMDIOE.
Pair restore. Pair restore (resync from S-VOL (oradb1) to S/P-VOL) can only
be performed when the S-VOL (oradb) and the P-VOL (oradb2) on the S/P-
VOL are in the SMPL and PSUS states. If the pair restore of S-VOL (oradb1) is
performed while either the S-VOL (oradb) or P-VOL (oradb2) on the S/P-VOL
are in a COPY, PAIR or PSUS state, the pairresync -restore command is
rejected with EX_CMDRJE or EX_CMDIOE.
Restriction for TrueCopy/ShadowImage cascading volumes
Pair restore (resynchronization from S-VOL (oradb1) to S/P-VOL) can only be
performed when the TrueCopy S-VOL (oradb) and the P-VOL (oradb2) on the
S/P-VOL are in the SMPL or PSUS(SSUS) state. If pairresync of S-VOL
(oradb1) is performed when the S/P-VOL (oradb or oradb2) is in any other
state, the pairresync -restore option command is rejected with
EX_CMDRJE or EX_CMDIOE.
TrueCopy operations
CCI TrueCopy commands operate in conjunction with the software on the
UNIX/PC servers and the TrueCopy functions of the RAID storage systems.
The CCI software provides failover and other functions such as backup
commands to allow mutual hot standby in cooperation with the failover
product on the UNIX/PC server (for example, MC/ServiceGuard, FirstWatch,
HACMP).
Data replication operations with CCI
6-9
Command Control Interface User and Reference Guide
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