Re: Correction : EMC symetrix - 1M stripe width - Raid 0+1 - Performa

Hi Mohammed,

Look at Gaja's article about RAID&Oracle. It's one of the best articles I've ever seen..
You can find it at www.quest.com

Regards,
Ed

> Hi,
> We recently migrated from sun a5200 storage to EMC symetrix, and we have
> been seeing occasional performance problems. When contacted, Oracle support
> among other things pointed out the stripe width we have used 1M, is very
> large and also said users will not see an advantage above 64K.
>
> When we had Sun storage before we had 64K as the stripe width.
>
> Has anyone faced this kind of issue or has any comments..or can someone
> explain the low level impact of the stripe width on the ORACLE I/O
> operations?
>
> Much appreciated..
>
> Regards
>
> Mohammed Ahsanuddin
> Oracle DBA
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> INET: Mohammed.Ahsanuddin_at_VerizonWireless.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Edward Shevtsov
  INET: ed_at_mb.ru

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