service imap pid nnn in BUSY state: terminated abnormally

[Simon Matter]

> On 10/9/2010 7:23 AM, Michael D. Sofka wrote:
>>
>> I can either rsync just the mail messages to the warm backup, and then
>> reconstruct the index files. Or, I can take a slight detour, and upgrade
>> the warm backup server to 2.3.16.
>>
>
> This is something I've been wondering, too.  The problem with not
> copying the indexes is that presumably you lose all the metadata.  And
> if you rsync /var/spool/cyrus/mail it would seem to me that you run the
> risk of the index being out of sync with the mail spool; i.e. the only
> way to safely use rsync is
>
>     stop cyrus
>     rsync
>     restart cyrus
>
> Which isn't practical for some environments.
>
> imapsync seems to work fairly well and doesn't suffer from any race
> conditions like this, however requires that you have each user's imap
> password.  The solution that I'm considering is creating a dummy user

Fortunately there is no need to do so :)
All you need is defining a user in the "proxyservers" option in imapd.conf
and use this one to authenticate with imapsync. It works very well.

Simon