Re: infinite getdents64 loop

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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 



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