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XFS and async NFS exports

To: linux-xfs@xxxxxxxxxxx
Subject: XFS and async NFS exports
From: Nicolas Kowalski <Nicolas.Kowalski@xxxxxxx>
Date: Tue, 14 Oct 2003 15:58:43 +0200
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Hello.

[I apologize, this is not completely XFS-related, but perhaps some
XFS+NFS gurus will be able to give some information.]


I recently faced a power outage on a fileserver with XFS filesystems
(CVS-2003-09-24_05). Some files written on NFS clients a few seconds
before the crash were damaged (zero-sized). 

On a first approach, I thought this was XFS-related, but afterwards, I
also realized that this server was exporting its filesystems with the
async export option...It this possible that this async option have
caused these file damages ? If I use sync exports, does this mean that
XFS will effectively write on disk all pending data ?

Many thanks in advance.

-- 
Nicolas


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