[Dovecot] Error in dovecot 2.0.13: "Too many levels of symbolic links"

[Tom Pawlowski]

Well, the good news is this didn't end up being a dovecot or NetApp
issue. RHEL 6.2 has a kernel bug:

https://bugzilla.redhat.com/show_bug.cgi?id=770250

Solution is to upgrade to the latest kernel released on 5/15:

kernel-2.6.32-220.17.1.el6

We no longer get this error after the update. Thanks for taking a look!

* Timo Sirainen <tss at iki.fi> [2012-05-17 00:35:49 +0300]:

> On 17.5.2012, at 0.20, Tom Pawlowski wrote:
> 
> > dovecot: imap(user1): Error: readdir(/u1/user1/Maildir/.AUTO-DELETED-SPAM/new) failed: Too many levels of symbolic links
> ..
> > Create a new folder using alpine, save anywhere from 1000 to 10000 identical
> > emails to the new folder. 
> > 
> > Change to that new folder, thus prompting the move from new to cur. The client
> > receives the message and aborts the opening. Anywhere from 400-520 files are
> > successfully moved each time. It takes numerous attempts to finally move
> > all the files over--which I suspect some IMAP clients do, hence the
> > inconsistent errors in production.
> 
> 
> See if the attached patch makes any difference?
> 
> > I'm leaning towards some sort of bug on the NFS client level, as Timo
> 
> What NFS server are you using? Perhaps it's related to that.
> 



-- 
 Tom Pawlowski
 OIT-CSS System Administrator           office: Hill 145
 email: tompru at jla.rutgers.edu          phone:  (732) 445-2634