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On Wed, 18 Feb 2015, Emanuel Evans wrote:
Hi! Apologies if this has come up before, or if this is a duplicate
posting (I tried posting before but I think it got lost). Anyways, I'm
trying to set up an IMAP server with dovecot, and everything seems to be
more or less working except that I periodically see error messages like
this in my logs:
Feb 18 01:01:15 stark dovecot: lmtp(31956, r...@aleme.nu): Error:
link(/var/decrypted/vmail/aleme.nu/root/mailboxes/INBOX/dbox-Mails/dovecot.index,
/var/decrypted/vmail/aleme.nu/root/mailboxes/INBOX/dbox-Mails/dovecot.index.backup.tmp)
failed: Operation not permitted
I'm assuming it's a permissions problem with my maildir, but I can't
figure out what the relevant process is in order to fix it. The maildir
is owned by vmail with permissions set to 700; here is the output of
dovecot -n:
# 2.1.7: /etc/dovecot/dovecot.conf
# OS: Linux 3.2.0-4-amd64 x86_64 Debian 7.8 fuse.encfs
userdb {
args = uid=vmail gid=vmail home=/var/vmail/%d/%n
driver = static
}
As you can see, I'm keeping the maildir on an encfs-encrypted volume, in
case that's relevant. Please let me know any ideas for why this might be
happening. Thanks in advance!
Could you try what happens, if you create the hardlink manually as the
vmail user _two_ times, if the first link() succeeds. Maybe:
1) hard links won't work on your encfs,
2) link() fails with "Operation not permitted" instead of "File exists" in
your case, if the target file already exists.
Something like: sudo -u vmail ln \
/var/decrypted/vmail/aleme.nu/root/mailboxes/INBOX/dbox-Mails/dovecot.index \
/var/decrypted/vmail/aleme.nu/root/mailboxes/INBOX/dbox-Mails/dovecot.index.backup.tmp
- --
Steffen Kaiser
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