> On 2 Sep 2019, at 15.25, Peter Mogensen via dovecot <dovecot@dovecot.org>
> wrote:
>
> Hi,
>
> I was wondering...
>
> If one had mdbox ALT path set to a shared storage mount (say, on NFS)
> and one wanted to move a mailbox to a different host... I guess it in
> principle wouldn't be necessary to copy all the ALT storage through
> dsync, when the volume could just be mounted on the new host.
>
> Is there anyway for dsync to avoid moving Gigabytes of data for could
> just be "moved" by moving the mount?
Not tested but you can probably do something like this in the target server:
doveadm backup -u victim -R ssh sudouser@old-server "sudo doveadm dsync-server
-o mail_location=sdbox:/location-to-your-sdbox/ -u victim"
just leave ALT storage path from the setting.
Sami
