NFSv4 and Maildir

Noel Butler noel.butler at ausics.net
Sat Oct 1 01:24:24 UTC 2016


On 01/10/2016 08:27, Joseph Tam wrote:

>> we have a setup with (CentOS 6) Director+Dovecot, Maildir as storage 
>> on
>> NetApp NFS v3. Every time I try to switch to NFS v4 I found issue with
>> lock (and others). So for me NFSv4 with Maildir is "unstable" or need 
>> a
>> fine tuning that I don't know.
> 
> I found the same thing, and turning off write delegation seemed
> to have solved the problem.  I still don't know why, though.
> 
> Joseph Tam <jtam.home at gmail.com>

write delegation is disabled by default on NetApp with v4, or have they 
changed this now?
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