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Needs bit Info about RAC [message #518455]

Thu, 04 August 2011 00:35

jolly_makkar
Messages: 63
Registered: March 2008

Member

Dear Gurus

We are going to install Oracle RAC on windows server.I am just confused ,do we need RAID configuration on SAN storage? We have already done RAID 10 .But as i read the document,it was mentioned you need raw disks for ASM.

So RAID really doesnt require for Oracle RAC on windows?

Thanks

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Re: Needs bit Info about RAC [message #518456 is a reply to message #518455]

Thu, 04 August 2011 00:39

BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal

Senior Member

NEED?
REQUIRE?
no RAC can be implemented without ASM and/or RAID,
but you'd be wise to utilize one of them

[EDITED by LF: removed unnecessary quote of the whole previous message]

[Updated on: Thu, 04 August 2011 01:15] by Moderator

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Re: Needs bit Info about RAC [message #518462 is a reply to message #518456]

Thu, 04 August 2011 00:47

jolly_makkar
Messages: 63
Registered: March 2008

Member

Thanks for your prompt reply.

Sorry,Might my question wasn't clear enough.
We already have raid10 on SAN ,can we use those disks for ASM .

or Disks needs to be completely RAW (no raid) for ASM?

should we remove RAID for ASM?

Thankyou

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Re: Needs bit Info about RAC [message #518465 is a reply to message #518462]

Thu, 04 August 2011 00:51

BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal

Senior Member

You can do what ever you deem appropriate.

[EDITED by LF: removed unnecessary quote of the whole previous message]

[Updated on: Thu, 04 August 2011 01:15] by Moderator

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Re: Needs bit Info about RAC [message #518466 is a reply to message #518462]

Thu, 04 August 2011 00:54

Michel Cadot
Messages: 68645
Registered: March 2007
Location: Nanterre, France, http://...

Senior Member
Account Moderator

I think you have to first read concepts about ASM

Regards
Michel

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Re: Needs bit Info about RAC [message #518571 is a reply to message #518455]

Thu, 04 August 2011 13:10

Mahesh Rajendran
Messages: 10707
Registered: March 2002
Location: oracleDocoVille

Senior Member
Account Moderator

If the disks are externally protected (as in case of SAN, striped and mirrored), you can just choose
'External Redundancy' while creating ASM diskgroups.

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