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From: "Rüdiger Meier" <sweet_f_a@gmx.de>
To: linux-nfs@vger.kernel.org
Subject: Re: infinite getdents64 loop
Date: Tue, 31 May 2011 11:47:24 +0200	[thread overview]
Message-ID: <201105311147.24939.sweet_f_a@gmx.de> (raw)
In-Reply-To: <1306767521.5971.2.camel@lade.trondhjem.org>

On Monday 30 May 2011, Trond Myklebust wrote:
> On Mon, 2011-05-30 at 11:37 +0200, Ruediger Meier wrote:
> >
> > Does this mean ext4 generally does not work with for nfs?
>
> ext2/3/4 are all known to have this problem when you switch on the
> hashed b-tree directories. Typically, a directory with a million
> entries will have several tens of cookie collisions.

Ok, like Jeff mentioned in the other reply disabling dir_index solves 
it.

I wish I had seen this documented somewhere before switching from xfs to 
ext4 but it's not easy to find something about these ext4/nfs probs 
without knowing the details already.
Ext4 being default file system on many distros made me feel safe.


thanks for helping,
Rudi 




  reply	other threads:[~2011-05-31  9:47 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-28 13:02 infinite getdents64 loop Rüdiger Meier
2011-05-28 15:00 ` Rüdiger Meier
2011-05-29 16:05   ` Trond Myklebust
2011-05-29 16:55     ` Rüdiger Meier
2011-05-29 17:04       ` Trond Myklebust
     [not found]         ` <1306688643.2386.24.camel-SyLVLa/KEI9HwK5hSS5vWB2eb7JE58TQ@public.gmane.org>
2011-05-30  9:37           ` Ruediger Meier
2011-05-30 11:59             ` Jeff Layton
2011-05-30 12:42               ` Ruediger Meier
2011-05-30 14:58             ` Trond Myklebust
2011-05-31  9:47               ` Rüdiger Meier [this message]
2011-05-31 10:18                 ` Bernd Schubert
2011-05-31 12:35                   ` Ted Ts'o
2011-05-31 17:07                     ` Bernd Schubert
2011-05-31 17:13                     ` Boaz Harrosh
2011-05-31 17:30                       ` Bernd Schubert
2011-06-01 13:10                         ` Boaz Harrosh
2011-06-01 16:15                           ` Trond Myklebust
2011-05-31 17:26                     ` Andreas Dilger
2011-05-31 17:43                       ` Bernd Schubert
2011-05-31 19:16                         ` Andreas Dilger
2011-05-31 14:51             ` Bryan Schumaker

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