"doveadm altmove -r" not working ?

Duc Anh Do doducanh2710 at gmail.com
Tue Mar 21 02:17:32 UTC 2023


Hi,

Sorry, just read your email again and I realize your problem is different
to mine.

   - Yours is that everything should be moved back to the default storage
   but nothing
   - Mine is that some of them should be moved back but everything

Does "-Dv" give you any hint?

On Tue, 21 Mar 2023 at 08:45, Duc Anh Do <doducanh2710 at gmail.com> wrote:

> Hi,
>
> Your problem might be similar to mine a long time ago. IMO behavior of
> "doveadm altmove -r" command with mdbox format is different to sdbox format:
>
>    - With sdbox format, when you move back a message to primary storage
>    (aka default storage), only the message and the file containing it are
>    affected. There is nothing impacted.
>    - With mdbox format, a file in storage contains multiple messages.
>    When a message is moved back to primary storage, other messages in the same
>    file storage will go with it. The whole file is moved as well.
>
> My workaround for this case is: In the mdbox_altmove_add_files function,
> after defining action for the message which is marked as MOVE_FROM_ALT, we
> will continue checking other messages in the file storage. If they are not
> listed in altmoves (they stay in alternate storage), their action will be
> MDBOX_MSG_ACTION_MOVE_TO_ALT. That means they will be moved 2 times: to
> primary storage as usual then to alternate storage again to ensure finally
> they are in alternate storage.
>
>    - Pros:
>       - Simple
>       - Do not impact other parts
>       - Do not require to update other processes to perform MOVE_FROM_ALT
>       messages
>    - Cons:
>       - Reduce performance when number of messages is big
>       - Increase file storage counter
>       - If you don't mind building Dovecot from source, give my patch a
>       look.
>
> If you don't mind building Dovecot from source, give my patch a look.
>
>
> On Tue, 21 Mar 2023 at 05:26, Benoit Branciard <
> Benoit.Branciard at univ-paris1.fr> wrote:
>
>> Hello,
>>
>> I have some trouble using "doveadm altmove -r".
>>
>> Regular "doveadm altmove" is OK, selected mails were moved to alternate
>> storage as expected. But I can't manage to get them back to original
>> location, "doveadm altmove -r" has no effect.
>>
>> We are using Dovecot 2.3.4 (Debian Buster package).
>>
>> mail_location = mdbox:~/mdbox:DIRNAME=_@@_dbox-Mails_@
>> @_:ALT=/slow%h/mdbox
>>
>> doveadm altmove -u myuser since 90d
>>
>> -> some message files are created under /slow/my/homedir/mdbox/storage
>>
>> doveadm altmove -r -u myuser all
>>
>> -> message files are still sitting under /slow/my/homedir/mdbox/storage,
>> none were created into /my/homedir/mdbox/storage.
>>
>> Is there some known issues with doveadm altmove in this version ? Or am
>> I missing something ?
>>
>> I can share more config details if needed.
>>
>> --
>> Benoit BRANCIARD
>> Université Paris 1 Panthéon-Sorbonne - DSIUN-SIS
>> B405 - Centre PMF - 90 rue de Tolbiac - 75013 Paris
>> Tel. 01 44 07 89 68
>> http://dsiun.univ-paris1.fr
>>
>
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