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May 15th, 2016 11:00

XtremIO snapshot use and keeping the same snapshot volume

Hello Everyone.

We're configuring a snapshot  Set for a Consistency Group in Xtremio in order to use in a Server of test. The server has AIX and the snapshot volumes are used by ORACLE ASM in it.  Please, can you say me if the option "Update Snapshot" just refresh and doesn't change the volumes ... ?? ...  I asked, because if the snapshot volumes change could be required in the AIX OS reconfiguration of the volumes every time that the update will be done.

Thank you

64 Posts

May 15th, 2016 12:00

Correct - refreshing the snapshot will not change the host-side view of things (other than the data, obviously!), so there's no need to do anything at the AIX level.  That said, due to the way refresh is implemented, there are some changes on the management side - in particular the Snapshot Set name will change when you do a refresh.

You may find this description of the refresh process makes things clearer, especially around why the snapshot set name changes, and how best to work around it - https://blog.docbert.org/xtremio-snapshot-refresh/

40 Posts

May 15th, 2016 14:00

Scott, thanks a lot.

Per the link in your note everything is now so clear for me.

I'm going to do some tests before to leave in production the snapshot.

Thank you again

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