HP XP Racks - Manual (Page 387)

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YKQUERY
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YKRESYNC REVERSE
4. From remote site 1, execute the YKMAKE command for the Continuous Access Journal Z copy
pair between remote sites 1 and 2.
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YKQUERY
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YKMAKE
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YKEWAIT GOTO(DUPLEX)
5. Start operation at remote site 1.
Operation in a 2DC configuration starts from remote site 1.
Failback
1. Recover the primary site storage system from the failure.
Using a 3DC Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z) configuration 387