Re: Migrating to a new SAN storage

If you have an environment where you can test the steps beforehand, please do so.

• Provision new devices to the OS.
• Create new ASM disks via asmlib (same size as the existing disks).
• Add the newly created ASM Disks to the relevant diskgroups.
• Once the rebalance is complete, remove the older USP disks from the relevant diskgroups - wait for rebalance to complete.
• The next step is tedious, you (or your linux admin) will have to carefully identify the USP devices.
• Remove the USP devices from each host.

Pray that there's isn't a mix-up with the last step :)

Hope this helps.

Cheers,
Maaz

On Thu, Jul 17, 2014 at 3:03 PM, Ali Alizadeh <rali.alizadeh_at_gmail.com> wrote:

> Hello experts,
> I have 2 nodes RAC running on Linux RedHat (2.6.18-274.18.1.e15) servers.
> My cluster has been upgraded to 12c. we are using ASM (asmlib). They are
> planning to migrate the SAN storage from USP1100 to HUS150. They will
> upgrade all FSs including oracle binary from the OS level.
> My question is: what will be the best approach to migrate the ASM (asm
> disk groups) to the new SAN?
>
> Appreciate your time.
>
> Ali
>

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