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Re: XFS and DPX files

To: Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>
Subject: Re: XFS and DPX files
From: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Date: Mon, 2 Nov 2009 18:52:49 +0100
Cc: xfs@xxxxxxxxxxx
In-reply-to: <200911021205.28006@xxxxxx>
Organization: Intellique
References: <4AEC2CF4.8040703@xxxxxxx> <4AEC4BAA.20606@xxxxxxx> <20091031174836.3fc9505b@xxxxxxxxxxxxxx> <200911021205.28006@xxxxxx>
Le Mon, 2 Nov 2009 12:05:27 +0100
Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx> écrivait:

> I believe for a 15 drive RAID-6, where 2 disks are used for
> redundancy, the correct mkfs would be:
> mkfs -t xfs -d su=65536,sw=13 /dev/sdXX

Yes you're right, I replied a bit too quickly :)


> Another thing to try is if it would help to turn disk cache writes
> *on*, despite all warnings if the FAQ. 

The 3Ware is so slow it's almost unusable without write cache. I bet he
already uses it anyway.

-- 
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Emmanuel Florac     |   Intellique
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