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November 19th, 2014 07:00
TimeFinder Clone - cascaded
Hi,
Here we have a cascaded clone setup in our environment, lets take it A -->B -->C, Im going to script the clone recreate and activate operations, my question here is if I have to run recreate and activate for B -->C, what should be the state of A --> B ??
For example:
B --> C recreate, So can A ---> B also be in recreate state?
B --> C activate, can A --> B be in recreate state, will it work?
Regards
Dino
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LBM99
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November 19th, 2014 07:00
Hi,
The easy thing to remember is that both sessions cannot be CopyInProgress at the same time. So if you are going to recreate B-C then the A-B session must be active and fully copied. And vice versa for recreating the A-B session.
Because of this, if the B-C leg is Snap or VP Snap which are almost always CopyInProgress, then you need to use –precopy when recreating A-B and then wait for precopy to cycle.
Check out these 2 papers for more info:
https://support.emc.com/docu34335_White-Paper:-What's-New-with-TimeFinder-for-EMC-Symmetrix-VMAX-Applied-Technology.pdf?language=en_US
https://support.emc.com/docu40346_White-Paper:-Implementing-TimeFinder-VP-SNAP-for-Local-Replication.pdf?language=en_US
Mike