AW: [EXT] AW: AW: AW: invalid lz4 chunk size??

[Joachim Lindenberg]

What might go wrong? Or should I copy the directory myself from remote? What can go wrong with that?
Thanks, Joachim

-----Ursprüngliche Nachricht-----
Von: Aki Tuomi <aki.tuomi at open-xchange.com> 
Gesendet: Wednesday, 16 March 2022 11:31
An: Joachim Lindenberg <dovecot at lindenberg.one>
Betreff: Re: [EXT] AW: AW: AW: invalid lz4 chunk size??

It might, I can't promise it =)

Aki

> On 16/03/2022 12:29 Joachim Lindenberg <dovecot at lindenberg.one> wrote:
> 
>  
> With remote I am referring to the second instance of mailcow including dovecot I am running, which has dovecot replication active. I am observing the issue on just one box. Thus I am hoping  that when I remove the user mail directory on one host, replication will restore it from remote. 
> Thanks, Joachim
> 
> -----Ursprüngliche Nachricht-----
> Von: Aki Tuomi <aki.tuomi at open-xchange.com>
> Gesendet: Wednesday, 16 March 2022 11:17
> An: Joachim Lindenberg <dovecot at lindenberg.one>; dovecot at dovecot.org
> Betreff: Re: AW: AW: invalid lz4 chunk size??
> 
> Not sure what "remote" you are talking about. You can remove the file, and dovecot will notice it's absence and update it's indexes if this is maildir++ format.
> 
> If this is sdbox, you need to run `doveadm force-resync -u user FolderName`.
> 
> Aki
> 
> > On 16/03/2022 12:08 Joachim Lindenberg <dovecot at lindenberg.one> wrote:
> > 
> >  
> > Hi Aki,
> > sure I can delete (or rename) the file(s) in the mail directory. 
> > Will sync then restore it from remote or should I do this manually? Should I stop dovecot during the process?` I am not very familiar with dovecot yet, as most of the complexity is hidden by mailcow.
> > Thanks, Joachim
> > 
> > -----Ursprüngliche Nachricht-----
> > Von: Aki Tuomi <aki.tuomi at open-xchange.com>
> > Gesendet: Wednesday, 16 March 2022 08:38
> > An: Joachim Lindenberg <dovecot at lindenberg.one>; dovecot at dovecot.org
> > Betreff: Re: AW: invalid lz4 chunk size??
> > 
> > Hi,
> > 
> > looks a lot like your mail file is corrupted. Not much you can do about it other than maybe delete the file? You can try recover it with `doveadm fetch -u someone text uid 1553 mailbox Sent` and then using `doveadm save -u someone -m Sent` to store it back.
> > 
> > Aki
> > 
> > > On 16/03/2022 09:35 Joachim Lindenberg <dovecot at lindenberg.one> wrote:
> > > 
> > >  
> > > Nobody that can help?
> > > Thanks,
> > > Joachim
> > > 
> > > ----------
> > > 
> > > I am still experiencing the issue. Any suggestion?
> > > As I do have replication between two nodes and only one is showing the issue - can I rename the mailbox easily on one side and rely on replication to get the copy replaced? If that makes sense, which commands do you recommend?
> > > Thanks,
> > > Joachim
> > > 
> > > -----Ursprüngliche Nachricht-----
> > > Von: Joachim Lindenberg <dovecot at lindenberg.one>
> > > Gesendet: Thursday, 3 March 2022 12:06
> > > An: 'Aki Tuomi' <aki.tuomi at open-xchange.com>; dovecot at dovecot.org
> > > Betreff: AW: invalid lz4 chunk size??
> > > 
> > > dovecot --version reports 2.3.17.1 (476cd46418) Joachim
> > > 
> > > -----Ursprüngliche Nachricht-----
> > > Von: Aki Tuomi <aki.tuomi at open-xchange.com>
> > > Gesendet: Thursday, 3 March 2022 11:56
> > > An: Joachim Lindenberg <dovecot at lindenberg.one>; 
> > > dovecot at dovecot.org
> > > Betreff: Re: invalid lz4 chunk size??
> > > 
> > > 
> > > > On 03/03/2022 12:24 Joachim Lindenberg <dovecot at lindenberg.one> wrote:
> > > > 
> > > >  
> > > > Hello,
> > > > when accessing one mailbox via ActiveSync / SoGo / Dovecot I get the following error repeatedly in dovecot log:
> > > > imap(somemailbox at example.org)<1579><***>: Error: Mailbox Sent: 
> > > > UID=1553: read(compress()) failed: read() failed: lz4.read(): invalid lz4 chunk size: 1601505441 at 16842752 (read reason=) I can still access the mailbox via IMAP though.
> > > > What can I do to resolve the issue?
> > > > Thanks,
> > > > Joachim
> > > 
> > > Which version of Dovecot?
> > > 
> > > Aki