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Re: xfs_force_shutdown after Raid crash

To: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Subject: Re: xfs_force_shutdown after Raid crash
From: KELEMEN Peter <Peter.Kelemen@xxxxxxx>
Date: Wed, 4 Feb 2009 16:41:53 +0100
Cc: Dave Chinner <david@xxxxxxxxxxxxx>, Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20090204161559.347679f7@xxxxxxxxxxxxxxxxxxxx>
Mail-followup-to: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
Organization: CERN European Laboratory for Particle Physics, Switzerland
References: <498376CF.8020806@xxxxxxxxxxxxxx> <200902031140.08576@xxxxxx> <20090203154907.GA21278@xxxxxxxxxxxxx> <200902040952.45440@xxxxxx> <20090204122241.GL24173@disturbed> <20090204134538.24c2b4ac@xxxxxxxxxxxxxxxxxxxx> <20090204140113.GP11617@kyra> <20090204161559.347679f7@xxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)
* Emmanuel Florac (eflorac@xxxxxxxxxxxxxx) [20090204 16:15]:

> Yes but it set cache for the array globally, I don't find
> anything about the individual disks write cache specifically.
> Same thing for Xyratex.

"Write cache includes the disk drive cache and controller cache."

I assume this means you can only set the drive caches and the unit
caches together.

Peter

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