106IBM TotalStorage Enterprise Storage Server: Implementing ESS Copy Services with IBM eServer zSeries
Either of the two alternatives leaves the secondary volumes with a globally consistent
point-in-time copy of the primary volumes, and also, both alternatives leave the volumes
suspended. This suspended state enables you to restart the application write activity on the
primary volumes, while you FlashCopy the secondary volumes that now have a consistent
point-in-time copy.
Restart application writes
The application write activity can be restarted as soon as the freeze is done. These updates
will not be propagated to the secondary volumes — as volume pairs are suspended and LSS
paths are discontinued. In the meanwhile, PPRC will keep track of ...
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