Re: Oracle and RAID
From: Michael E Willett <mew_at_world.std.com>
Date: 1996/07/23
Message-ID: <Duz8oy.LBt_at_world.std.com>#1/1
Date: 1996/07/23
Message-ID: <Duz8oy.LBt_at_world.std.com>#1/1
Dean Cunningham <deanc_at_wairc.govt.nz> writes:
>kavis_at_usa.pipeline.com wrote:
>[snip]
>>
>> 3 and 5 negative on update/write operation, reliability is gained at the
>> expense of performance or need large cache,
>>
>> 0+1 best performance of all the RAID options, but doubles the # of
>> disks...so more $
>Fully agree. FYI Compaq were "quoting" a 15% drop in performance on
>their Array controllers with RAID 5 vs Raid 0/1.
>With their new controller they are "quoting" 5% drop.
>So perhaps the type of RAID controller can affect performance as
>well.....
That's true. RAID performance with big DBs varies widely by RAID level.
M Willett
Storage Computer
http://www.storage.com/
Received on Tue Jul 23 1996 - 00:00:00 CEST