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Re: [Xen-devel] s/w raid5

To: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] s/w raid5
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Wed, 27 Apr 2005 16:22:46 +0300
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Tue, Apr 26, 2005 at 07:03:36AM +0100, Ian Pratt wrote:
> 
> Folks,
> 
> Has anyone got experience using s/w raid 5 and Xen?
> I've had a report of crash in xenblkd under high disk load, and would
> like to know whether this is a generic s/w raid5 thing, or something
> specific to the SATA controllers in this particular setup.
> 
> Any relevant success or failure reports 
> 

md4 : active raid5 hdg6[2] hde6[1] hda6[0]
      212296704 blocks level 5, 128k chunk, algorithm 2 [3/3] [UUU]

md5 : active raid5 sdd1[3] sdc1[2] sdb1[1] sda1[0]
      879100416 blocks level 5, 128k chunk, algorithm 2 [4/4] [UUUU]

Has been running fine since xen itself started to work without crashing :)

(I was running some bad testing version of xen which crashed once every 
three days or so)

-- Pasi Kärkkäinen
       
                                   ^
                                .     .
                                 Linux
                              /    -    \
                             Choice.of.the
                           .Next.Generation.

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