I agree, but not all RAID systems support RAID10. I did not assume her
was able to use it but, obviously it is the preferred...

M

>>> "Patterson Joel "
<oracledba-ezmlmshield-x49020707.[Email address protected] 3/31/2006
1:34:09 PM >>>
Actually, there is a difference between 0+1, and 1+0. Choose 1+0,
known also as RAID 10.



-----Original Message-----
From: Michael Porter
[mailto:oracledba-ezmlmshield-x63993597.[Email address protected]
Sent: Friday, March 31, 2006 1:15 PM
To: LazyDBA Discussion
Subject: Re: Raid Level Recommendation

Stripe, stripe, stripe.... RAID5 will not be a great performer for
writes so do your best to stripe using 0+1. Perhaps others can
recommend a stripe size based on your db_block_size... With that many
db's on that server you would do well to try and use Oracle's ASM so
that it can move things around to avoid hot spots...

M

>>> "Mathews Ansamma "
<oracledba-ezmlmshield-x88660932.[Email address protected] 3/31/2006
12:53:35 PM >>>
Dear DBAs,

We are about to get a new Sun system SunFire E2900 (32 GB RAM) for
our
database server.
We will also get a 2 disk arrays StoreEdge 6130 with 14 harddisk of
size 73 GB each.
We will have 6 database instance s running on the box. One of the DB
is
a decision support DB
and the rest are mixed mode.

What is the reccomendation for the Raid level? I'm considering between
Raid 5 and Raid 0+1 .

Any idea on the stripe size?

Thanks,
Ancy


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