Re: Sizing stripes for RAID5

From: Eugene Firyago <efiryago_at_bisys.com>
Date: Thu, 2 Dec 1999 10:01:59 -0500
Message-ID: <8261m9$doe$1@autumn.news.rcn.net>

Oracle recombines to have a spire_size = n * DB_FILE_MULTIBLOCK_READ_COUNT initialization parameter (n=1,2,...). See Server Reference for this parameter specification. Also putting PCTINCREASE=0 would be advisable in that case.

Good luck,
Eugene.

<mrao_99_at_my-deja.com> wrote in message news:8251gr$ks9$1_at_nnrp1.deja.com...
> I'm trying to arrive at an optimum size of a
> stripe on a RAID5 system. What are the relevant
> parameters to consider?
>
> Here are the particulars of my situation:
> Application: DSS on Oracle 8.0.3 (1.7TB)
> Oracle DB_BLOCK_SIZE: 16k
> Platform: IRIX on SGI Origin 200 (8 CPUs)
> XFS filesystem
> I am not sure about the IO read block size (64K?)
>
> Should the stripe size be the same as IO read
> block size?
>
> Thanks!
>
> Mohan Rao
>
>
>
>
> Sent via Deja.com http://www.deja.com/
> Before you buy.
Received on Thu Dec 02 1999 - 09:01:59 CST