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 <[email protected]> [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: [email protected] phone: (732) 445-2634
