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Re: xfs_force_shutdown after Raid crash

To: KELEMEN Peter <Peter.Kelemen@xxxxxxx>
Subject: Re: xfs_force_shutdown after Raid crash
From: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Date: Wed, 4 Feb 2009 16:15:59 +0100
Cc: Dave Chinner <david@xxxxxxxxxxxxx>, Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20090204140113.GP11617@kyra>
Organization: Intellique
References: <498376CF.8020806@xxxxxxxxxxxxxx> <200902031140.08576@xxxxxx> <20090203154907.GA21278@xxxxxxxxxxxxx> <200902040952.45440@xxxxxx> <20090204122241.GL24173@disturbed> <20090204134538.24c2b4ac@xxxxxxxxxxxxxxxxxxxx> <20090204140113.GP11617@kyra>
Le Wed, 4 Feb 2009 15:01:13 +0100
KELEMEN Peter <Peter.Kelemen@xxxxxxx> écrivait:

> > - 3ware : no information  
> 
>       /cX/uX set cache=off

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.

BTW I checked LSI MegaRAID  and it allows setting individual disks
cache too :

MegaCli -AdpCacheFlush -aN|-a0,1,2|-aALL -EnDskCache|DisDskCache 

So for now we have the following :

disk cache settings control

3Ware : no
Xyratex : no
Adaptec : yes
LSI : yes
Areca : possibly...

-- 
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Emmanuel Florac     |   Intellique
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