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Re: noatime,nodiratime?

To: xfs@xxxxxxxxxxx
Subject: Re: noatime,nodiratime?
From: Nicolas KOWALSKI <niko@xxxxxxxxxxxxxxxxxx>
Date: Wed, 19 May 2010 19:33:49 +0200
In-reply-to: <4BF3F212.5030600@xxxxxxxxxxxxxxxxx>
References: <4BF3F212.5030600@xxxxxxxxxxxxxxxxx>
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux)
Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> writes:
> Need a little education here.  I have a general understanding of what the
> inode access timestamps "are" but I have no idea what, if any, applications
> make use of these access times.  I see posts all over Google land saying to
> use "noatime,nodiratime,logbufs=8" for XFS mount options to increase
> performance.

BTW, about the mount options for XFS, is there a way to check for the
default values (things like logbsize, logbufs, something else)?

I used to have noatime,logbufs=8,logbsize=256k on my fileserver, not
sure if these are still necessary.


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