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Home -> Community -> Mailing Lists -> Oracle-L -> Re: Conversion of a 3 TB NON-RAC Database To "ASM" - RAC in 10gR2 ?

Re: Conversion of a 3 TB NON-RAC Database To "ASM" - RAC in 10gR2 ?

From: LS Cheng <exriscer_at_gmail.com>
Date: Thu, 19 Apr 2007 14:42:12 +0200
Message-ID: <6e9345580704190542w6cf6b5edh427afb02189a12a9@mail.gmail.com>


The problem with ASM is you must do verything with RMAN or SQL, or maybe it wont be a problem if you are used to it

A CFS is obviously simpler since plain OS Commands can be used and not fancy RMAN commands

If CFS is too expensive you can always use NFS with NetAPP

On 4/19/07, VIVEK_SHARMA <VIVEK_SHARMA_at_infosys.com> wrote:
>
> Thanks Nial for responding.
>
>
>
> If you mean continue to use a *cooked / Mounted *Cluster *File system*(CFS) in place of the RAW ASM devices for the RAC Database,
> e.g. Sun Shared QFS or the Veritas Storage Foundation for Oracle RAC
> (SFRAC) Mounted CFS?
>
>
>
> (This would allow continuing with the traditional datafiles)
>
>
>
> Is Moving to & Managing the ASM Technology far more *complex* than the
> existing CFS Solutions like QFS, Veritas for RAC?
>
>
>
> Cheers
>
>
>
> Vivek
>
>
>
>
> ------------------------------
>
> *From:* Niall Litchfield [mailto:niall.litchfield_at_gmail.com]
> *Sent:* Thursday, April 19, 2007 2:35 PM
> *To:* VIVEK_SHARMA
> *Cc:* kevinc_at_polyserve.com; oracle-l_at_freelists.org
> *Subject:* Re: Conversion of a 3 TB NON-RAC Database To "ASM" - RAC in
> 10gR2 ?
>
>
>
> I had similar thoughts I suppose. You have a 3TB system that you want to
> be highly available. What then is the motivation for moving it from one
> storage technology to another, especially another more complex one. There
> are a number of filesystems that you can use for RAC databases and if you
> are in the market for the hardware/dr etc that is necessary to support a
> highly available 3TB system you likely won't have issues with paying for
> them.
>
> --
> Niall Litchfield
> Oracle DBA
> http://www.orawin.info
>
>
> On 4/19/07, *VIVEK_SHARMA* <VIVEK_SHARMA_at_infosys.com> wrote:
>
> Am unable to catch your meaning Kevin, if you could be more detailed
> please?
>
>
> ------------------------------
>
> *From:* oracle-l-bounce_at_freelists.org [mailto:
> oracle-l-bounce_at_freelists.org] *On Behalf Of *Kevin Closson
> *Sent:* Wednesday, April 18, 2007 11:13 PM
> *To:* oracle-l_at_freelists.org
> *Subject:* RE: Conversion of a 3 TB NON-RAC Database To "ASM" - RAC in
> 10gR2 ?
>
>
>
> Why not stay with files?
>
> What could be the approach to Convert a Large *3 TB* NON-RAC *Production*Database with Datafiles existing on cooked/Mounted Filesystem (
> *UFS*) to a 3 instance RAC using "*ASM"*?
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Received on Thu Apr 19 2007 - 07:42:12 CDT

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