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RAID5 and Oracle [message #173984]

Thu, 25 May 2006 08:03

alanm
Messages: 284
Registered: March 2005

Senior Member

Hi All,
I have been asked by a company to review their Oracle database. The system is running on unix (AIX) on a RAID5 on a SAN. There are 150 datafiles associated with the database all of which are in a single filesystem. What are peoples views on this configuration.

regards

Alan.

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Re: RAID5 and Oracle [message #173993 is a reply to message #173984]

Thu, 25 May 2006 08:23

BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal

Senior Member

It could be better. It could be worse.
http://www.baarf.com

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Re: RAID5 and Oracle [message #174004 is a reply to message #173993]

Thu, 25 May 2006 08:52

Frank Naude
Messages: 4580
Registered: April 1998

Senior Member

RAID 10 (full striping + mirroring) is better than RAID 5.

Also, it would be better to use ASM or RAW Volumes than filesystems for your data files.

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Re: RAID5 and Oracle [message #174140 is a reply to message #173984]

Fri, 26 May 2006 03:39

alanm
Messages: 284
Registered: March 2005

Senior Member

Hi Both,
Thanks for the information. Very interesting, sadly though my client seems reluctant to change.

cheers

Alan.

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Re: RAID5 and Oracle [message #174861 is a reply to message #173984]

Tue, 30 May 2006 17:07

nmacdannald
Messages: 460
Registered: July 2005
Location: Stockton, California - US...

Senior Member

I have never heard anything except 'don't use RAID 5' from anyone.

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