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Re: Move from Veritas to ASM

From: fairlie rego <>
Date: Fri, 16 Mar 2007 17:17:18 -0700 (PDT)
Message-ID: <>

Thanks KG,
  Apologies I think part of my question was misunderstood.The whole idea was to remove Veritas from the cluster.Unfortunately that cannot be done in the timeframes proposed because non database files still need to sit on a clustered file system which would still be Veritas.(This would be replaced later on in the piece)   

It is not that ASM will sit on top of Veritas volumes but side by side on separate volumes.Also I have been made to understand (by Symantec/Veritas) that we cannot remove the Veritas ClusterWare from SFRAC and keep Veritas Clustered File System. We either have the whole stack or none of it. Your statement "There are lot of people using ASM with Veritas Cluster but not on VxFS" seems to contradict them.   


K Gopalakrishnan <> wrote:   Fairlie,

Interesting...I do see a good rea$on for moving to ASM from Veritas. There are lot of people using ASM with Veritas Cluster.but not on VxFS . I am not sure whether that (ASM onVxFS) is supported (technically it will work, if there is no cache/QIO is enabled) or not. ASM just needs disks (or some storage exposed to ASM as Disks) and if you can expose (!) VxFS volumes as ASM disks, ASM will happily manage the disks. But it is like running a multi engine (cascaded) passenger car...;) hope you understand what I mean.:D

I know some one in this list(racdba) who has done that excercise recently. Let us know if you have any specific question.


On 3/15/07, fairlie rego wrote:
> Hi all,
> Setup
> Solaris 2.9
> 8 node RAC on using Veritas SFRAC 4.1
> There is a plan to move to ASM from Veritas Clustered file System (not my
> decision)
> a) Is anyone out there using ASM in conjunction with Veritas Clustered file
> System
> and the whole SFRAC stack?
> b) Has anybody been through the process of removing SFRAC and only using
> Oracle CRS/Clusterware to manage the cluster.
> Regards
> Fairlie
> Fairlie Rego
> Senior Oracle Consultant
> M: +61 402 792 405

Best Regards,
K Gopalakrishnan
Co-Author: Oracle Wait Interface, Oracle Press 2004

Author: Oracle Database 10g RAC Handbook, Oracle Press 2006

          Fairlie Rego
Senior Oracle Consultant
  M: +61 402 792 405

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Received on Fri Mar 16 2007 - 19:17:18 CDT

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