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Re: A little RAID experiment

To: Roger Willcocks <roger@xxxxxxxxxxxxxxxx>
Subject: Re: A little RAID experiment
From: Stefan Ring <stefanrin@xxxxxxxxx>
Date: Wed, 25 Apr 2012 18:23:21 +0200
Cc: Linux fs XFS <xfs@xxxxxxxxxxx>
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In-reply-to: <1335363423.4586.431.camel@xxxxxxxxxxxxxxxxxxxxxxxx>
References: <CAAxjCEzh3+doupD=LmgqSbCeYWzn9Ru-vE4T8tOJmoud+28FDQ@xxxxxxxxxxxxxx> <1335363423.4586.431.camel@xxxxxxxxxxxxxxxxxxxxxxxx>
> Result (seems reasonably consistent):
>
> Operations performed:  0 Read, 127458 Write, 0 Other = 127458 Total
> Read 0b  Written 995.77Mb  Total transferred 995.77Mb  (66.337Mb/sec)
>  8491.11 Requests/sec executed]

Holy moly, this is an entirely different game you're playing here! I
suppose that you're using a battery backed write cache?

Thanks a lot for trying!

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