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From: Marc MERLIN <marc_lvm@merlins.org>
To: linux-lvm@sistina.com
Subject: Re: [linux-lvm] snapshots of busy ext2 file system corrupt
Date: Tue Feb 26 16:32:01 2002	[thread overview]
Message-ID: <20020226223230.GE5066@merlins.org> (raw)
In-Reply-To: <20020226142731.X12832@lynx.adilger.int>

On Tue, Feb 26, 2002 at 02:27:31PM -0700, Andreas Dilger wrote:
> Well, in many cases, data=ordered is actually faster than data=writeback
> because you get all of your journal I/O finished before you start writing
> to the FS.  In some cases (e.g. mail spool, NFS) it is faster to have
> data=journal for the same reason (because sync I/O is very fast when it
> is written to the journal).

I had heard about data=journal on mail spools, but does anyone have a
pointer with more performance comparisons between all 3?

Thanks,
Marc
-- 
Microsoft is to operating systems & security ....
                                      .... what McDonalds is to gourmet cooking
  
Home page: http://marc.merlins.org/   |   Finger marc_f@merlins.org for PGP key

  reply	other threads:[~2002-02-26 16:32 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-02-26  7:55 [linux-lvm] snapshots of busy ext2 file system corrupt Urs Thuermann
2002-02-26 10:59 ` Andreas Dilger
2002-02-26 11:40   ` Chris Mason
2002-02-26 13:30     ` Urs Thuermann
2002-02-26 14:58       ` Chris Mason
2002-02-26 15:27         ` Andreas Dilger
2002-02-26 16:32           ` Marc MERLIN [this message]
2002-02-26 17:21             ` Andreas Dilger
2002-02-26 13:25   ` Urs Thuermann
2002-02-27  3:01 ` Anselm Kruis
  -- strict thread matches above, loose matches on Subject: below --
2002-02-27 14:24 Stephenson, Dale
2002-02-27 14:43 ` Chris Mason
2002-03-04  2:46   ` Anselm Kruis
2002-03-04  2:51 ` Anselm Kruis

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