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05-28-2013 01:08 AM
05-28-2013 01:08 AM
EVA4100 + data replication suspend/failsave
Hi all
Would need your input on data replication suspend/failsave process (from SSSU) .
What will happen is the FC link between both EVA will be cutoff for some time during a maintenance window.
My question is, is it necessary to suspend data replication on DR groups or can I let it as is ?
What problem may I see once the link is up again ?
Commands I would like to execute:
before maintenance --> set dr_group mygroup SUSPEND
after maintenance --> set dr_group mygroup NOSUSPEND
Or perhaps a more generic approach with the following:
before maintenance --> set dr_group mygroup FAILSAFE
after maintenance --> set dr_group mygroup NOFAILSAFE
Since I am new to this data replication on EVA I'd like to make sure I am doing it the right way.
Also during this maintenance the Arrays would remain UP but all servers accessing vdisks would be powered-off ..
Thanks
Thierry