Re: AIX/ORACLE - Raid devices - async I/O [SUMMARY]
From: Michael E Willett <mew_at_world.std.com>
Date: Tue, 15 Nov 1994 17:30:52 GMT
Message-ID: <CzBKnH.H55_at_world.std.com>
Date: Tue, 15 Nov 1994 17:30:52 GMT
Message-ID: <CzBKnH.H55_at_world.std.com>
Goran Svensson in Sweden writes:
>.....if you have your entire database on a Raid-5, you will see bad
>performance when it comes to indexing and database updates.....
God morgon Goran,
That's correct. The various deficiencies of RAID 5 have been thoroughly documented in the literature, including various technical reports that were published by RAID theoretician John O'Brien who works here at Storage Computer headquarters. Copies of his work are still available.
Mike Willett
Storage Computer Corp.
11 Riverside Street
Nashua, NH 03062
Tel. 603-880-3005.
Received on Tue Nov 15 1994 - 18:30:52 CET