On 3.10.2012, at 0.39, Cor Bosman wrote: > With NFS these files are created when a file gets unlinked, but another > process still has it open. It disappears as soon as the other process closes > it. For some reason they dont disappear. As far as I can tell we've had no > server crashes that could explain this. One possible theory is that a rename > happens after an unlink. In that case the file remains. This could possibly > be a dovecot issue.
How can a rename happen after unlink? The rename should fail. (Unless doing rename(.nfs1234, something), but Dovecot definitely isn't doing that.)