[Dovecot] Error in logs indicating broken files

[Joseph Tam]

Steve Campbell <campbell at cnpapers.com> writes:

> I'm seeing a couple of errors in my log file indicating corruption of
> index files.
>
> Error: Corrupted index cache file/home/xxxxxx/mail/.imap/sent-mail/dovecot.index.cache: Broken virtual size for mail UID 67: 1 Time(s)
> Error: FETCH [] for mailbox ~/mail/sent-mail UID 67 got too little data: 6203 vs 7478: 1 Time(s)
>
> This account is used by multiple users, but it is not a shared account
> (haven't set any of those up yet - still new to me), so I would expect
> corruption possibilities when multiple users modify the account folders
> in some manner.

This is just one dovecot IMAP client process moaning after another user
client process pulled the rug out from under it by modifying the mailbox.
I get a few dozen log entries of this sort per week with ~200 IMAP users
without shared access.

Unless your users actually complain about a problem, I think it's safe
to ignore them.

Joseph Tam <jtam.home at gmail.com>