Re: RAID-3?

From: Pawel Jakub Dawidek (pjd_at_FreeBSD.org)
Date: 08/20/04

  • Next message: Pawel Jakub Dawidek: "Re: RAID-3? (was: cvs commit: src MAINTAINERS)" 
    Date: Fri, 20 Aug 2004 22:44:58 +0200
To: Petri Helenius <pete@he.iki.fi>

    On Fri, Aug 20, 2004 at 10:53:18PM +0300, Petri Helenius wrote:
    +> Pawel Jakub Dawidek wrote:
    +>
    +> >The software you can find under /usr/src/tools/tools/raidtest/ in HEAD
    +> >branch.
    +> >Test has been done for 10000 random requests (offset, size and operation
    +> >type was random).
    +> >
    +> >
    +> Would it make sense to have known initialization vector for the random
    +> function so a specific test pattern could be reproduced at will? This
    +> would also reduce the need for multiple repeats for a test to get good
    +> repeatable results.

    Raidtest tool works like this, i.e. first you have to generate file with
    random data and then use this file for every test. 

    -- 
Pawel Jakub Dawidek                       http://www.FreeBSD.org
pjd@FreeBSD.org                           http://garage.freebsd.pl
FreeBSD committer                         Am I Evil? Yes, I Am!

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