Re: moving to a new san array
- From: Joe Hatchel <joe_hatchel@xxxxxxxxx>
- To: andrew.kerber@xxxxxxxxx, oracle-l@xxxxxxxxxxxxx
- Date: Wed, 10 Nov 2010 07:58:21 -0800 (PST)
I am in the middle of preparing for just such a move and have an SR with Oracle
to verify the process. Unfortunately, just as with the recent thread here, I
hold little hope of getting timely assistance from them.
I have done a single instance move with ASM by adding the LUNS from the new
array into the diskgroup, allowing it to rebalance then removing the LUNs from
the old array. Worked fine.
If you come up with a method to deal with OCR/voting disks, I'd be interested
in
comparing notes.
Good luck
Joe
________________________________
From: Andrew Kerber <andrew.kerber@xxxxxxxxx>
To: eglewis71@xxxxxxxxx
Cc: oracle-l@xxxxxxxxxxxxx
Sent: Wed, November 10, 2010 8:38:41 AM
Subject: Re: moving to a new san array
I have done this, and as I recall while it is a touchy process (that is, you
dont want to make any mistakes since they are hard to recover from), it is
fairly straightforward. I moved 10.2 rac on windows to a new san with a
clusterware upgrade to 11.1. in the process. I will see if I can find my notes
on the subject. This is definitely the sort of exercise you want to to script
and practice once or twice before you do it for real. If you cant rehearse it,
make sure you make real good notes.
On Wed, Nov 10, 2010 at 6:12 AM, ed lewis <eglewis71@xxxxxxxxx> wrote:
Hi,
> We're migrating our disks from the current San arrray to a new San array.
>In do this, the path names for the ocr, voting disks, and asm disks will
>change.
>The configuration is 2-node Rac cluster. (solaris 10, ,asm, oracle 10.2.0.4
>throughout)
>
> I'm looking at different ways to migrate the OCR, and voting disks to
> the
>new
>array. I found a note on MOS which outlines the steps, that are needed to
>recreate the ocr/voting disks, that have accidentally been deleted. I am
hoping
>to find another solution.
>
> We have 2 ocr, and 3 voting disks. I was thinking of removing 1 of each
>from the current array, and then recreating them on the new array. This
>would
>be
>done before the migration. I'm not crazy about this solution either.
>
> I've also looked at doing an export/import of the OCR after the san is
>migrated,
>but I don't think that will work.
>
> For the ASM devices, I have been told that there is nothing to do. ASM
>will handle
>
>this in its own way, and migrate successfully. Can anyone verify this ?
>
> Has anyone done a san migration with RAC ? Any suggestions on how to do
>this ?
>
>
> Thanks for your time.
>
>
> ed
>
>
>
>
--
Andrew W. Kerber
'If at first you dont succeed, dont take up skydiving.'
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