RE: ASM "disk" replacement

  • From: "Don Granaman" <DonGranaman@xxxxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Mon, 11 May 2009 09:03:51 -0500

I've considered this and it is the other option.  The downside is
downtime.  Supposedly, this can be done in ASM via the "disk" shuffle
with none.



From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Yechiel Adar
Sent: Sunday, May 10, 2009 4:57 AM
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: ASM "disk" replacement


Just wondering - WARNING - from the top of my head.

Since ASM sees the mount point only, it does not care about the physical
disks in the storage why not use the storage facilities to do the copy?

1) create a storage snapshot that duplicate the old disks to the new
disks and wait for the storage copy to finish.
2) bring down the database and severe the connection between the
original disks and the snapshot.
3) switch the mount point to point to the snapshot.
4) bring up the database.

Take with a TON (not a grain) of salt.

Adar Yechiel
Rechovot, Israel

Don Granaman wrote: 

We are using ASM for RAC on Linux x86-64 and will need to
replace a number of disks in the storage array.


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