→ C pairs with resync. The resync option is allowed even
though the site B volumes are SIMPLEX to the site C volumes. This is because the
trusted
resync
flag was set during the Failback processing. The flag is reset during this
processing. The CR information is transformed to OOS information, which is used to
re-establish the B
→ C PPRC-XD relationship.
Figure 8-25 shows the status after returning to full Asynchronous Cascading PPRC.
Figure 8-25 Return to full Asynchronous Cascading PPRC relationship
Normal operation for Asynchronous Cascading PPRC has now been re-established:
Application ...
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