Re: Moving 10gR2 db from one ASM diskgroup to another ASM diskgroup
- From: Martin Berger <martin.a.berger@xxxxxxxxx>
- To: daniel.fink@xxxxxxxxxxxxxx
- Date: Thu, 11 Mar 2010 21:00:44 +0100
Daniel,
as far as I understand ASM, there is realy no problem.
even if the Disks are of different size.
I did this between at least 3 different Storage Boxes at work, works
really great.
One big advantage from my point of view: you really only exchange the
disks. the DB remains the same (which is not true by exp/imp).
And of course, there is NO downtime. A good side-effect: the more DMLs
are running, the faster the SAN-exchange is running :-)
If your SA is not sure, ask him to do a prove: either he or you can be
right, a little test can show.
hth
Martin
Am 11.03.2010 um 20:50 schrieb Daniel Fink:
We got a George Carlin-esque "Well...I'm not sure about that"
response from an SA about that particular scenario.
We will be adding disks from a different SAN (SAN2) and then
dropping disks from the original SAN (SAN1). Do you see any problems
with this?
Taking the database down is not a problem. It is a non-production
system that we have permission to down...but the team also want it
back up as soon as possible.
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