From: cheung@mathcs.emory.edu (Shun Yan Cheung)
Newsgroups: comp.arch.storage,comp.databases.oracle,comp.databases.sybase
Subject: Re: R.A.I.D boxes
Date: 11 Nov 1994 16:53:36 GMT
Organization: Emory University, Dept of Math and CS
Lines: 15
Message-ID: <3a07ig$b8j@emory.mathcs.emory.edu>
References: <Cz2nHs.IKE@world.std.com>
NNTP-Posting-Host: cssun.mathcs.emory.edu


In article <Cz2nHs.IKE@world.std.com>,
Michael E Willett <mew@world.std.com> wrote:
>
>RAID 3 fails on small reads and small writes and RAID 5 handles large and 
>small writes poorly, while RAID 7 consistently outperforms the single 
>spindle rate.  The RAID 7 performance multiple increase over RAID 3 and 
>RAID 5 is a function of the small read/small write/large write mix.

Wow, RAID is upto level 7 now ? I know RAID upto level 6,
what's new in Level 7 ?
--
Shun Yan Cheung     |  cheung@mathcs.emory.edu      | Office: (404) 727-3823
Emory University    |  cheung@emory.bitnet          | Fax:    (404) 727-5611
Dept of Math and CS |  ``Democracy is a bad form of government, but it's 
Atlanta, GA 30322   |  the best we got'' 		---- Simon Carmigel