Using dsync for a single mailbox?

[Sami Ketola]

> On 22 Jan 2020, at 8.37, Wim Lewis <wiml at hhhh.org> wrote:
> 
> On Tue, 21 Jan 2020, Sami Ketola wrote:
>> how does dsync fail? How have you tried? Something like this on the new server:
>> 
>> doveadm -o imapc_server=remote_ip -o imapc_port=remote_port -o imapc_user=<remote_victim> -o imapc_password=<remote_victim_password> backup -u <local_victim> -R imapc:
> 
> The best I can do is get it to complete without any errors but without transferrig any mail. I've added the imapc config to local.conf,
> and I run it like this:
> 
>  doveadm -Dv sync -1 -R -u local_user -m mailbox_name imapc:
> 
> (or variations on that, e.g. with -n namespace). It successfully logs in to the remote imapd, but doesn't decide to transfer anything. If I leave off the "-m mailbox_name" it does start traversing the remote maibox hierarchy, but I really don't want it to transfer everything --- just some specific mailboxes.
> 
> One thing that's unclear to me is exactly what strings I should pass to the -n and -m flags. Do I specify a namespace by its local prefix, or its remote prefix, or its name in the config file, or ... ? And mailbox names?
> How does dsync map remote to local names?
> 

Hi,

can you then add "-o imapc_rawlog_dir=/desti/nation/" where doveadm process can write rawlogs for the transfer.
That probably reveals what goes wrong in the session.

Sami