On 1.7.2013, at 19.02, Gedalya <geda...@gedalya.net> wrote: > Doing an imapc migration with the pop3 migration plugin, using doveadm backup > -R. > > I occasionally get the following output: > > dsync(u...@domain.tld): Error: imapc(mail01.domain.tld:143): Server > disconnected unexpectedly > dsync(u...@domain.tld): Error: imapc(mail01.domain.tld:143): Server > disconnected unexpectedly > dsync(u...@domain.tld): Error: imapc(mail01.domain.tld:143): Server > disconnected unexpectedly > dsync(u...@domain.tld): Warning: I/O leak: 0xb7648650 (line 1229, fd 10) > dsync(u...@domain.tld): Warning: I/O leak: 0xb7648650 (line 1229, fd 11) > dsync(u...@domain.tld): Warning: Timeout leak: 0xb76488b0 (line 1316) > dsync(u...@domain.tld): Warning: Timeout leak: 0xb76488b0 (line 1316) > > The source server is really crappy, no need to look at the dovecot side for > causes. My question is: is it possible that the migration did complete > successfully? Dovecot does seem to continue and it's kind of vague on what > went wrong, and did it re-try. This operation can take several hours on large > mailboxes so this question is really meaningful in my case. (I'd try with -D > but it's really hard to reproduce this on demand).
I think imapc automatically reconnects and retries the command. In any case you should retry if dsync returns non-zero exit code. (The I/O and timeout leaks don't really matter, but they are also finally fixed in v2.2.3+.)