Migrating seen database

[Dan White]

On 11/15/12 11:59 +1100, Puthick Hok wrote:
>Hi,
>
>I am migrating my cyrus imap from the current server with cyrus 2.3.7
>to a new server with better hardware running cyrus 2.3.16.
>
>I've googled for the command to dump the seen database in
>/var/lib/imap/user/... without success. I have played with some the
>cyrus command on my inbox and it made all my emails unread.
>Fortunately, only my inbox is affected. It's scary. I have copied the
>binary files including the sub database. The subscription or subfolder
>(sub database) seems to ok but the seen database is not very good.
>Some of my sub folders get all emails unread which is wrong.
>
>My work around if I cannot find a way to copy the seen database would
>be ask everyone to create a folder called Read and create a
>Thunderbird rule to move all read emails to this folder prior to
>migration. However, there should be a better way than this, except
>that I don't know it.
>
>I hope someone can give me some advices to deal with this problem.

You could use an imap synchronization program (like imapsync) to transfer
your emails, which will transfer your seen state in a portable format
(IMAP).

-- 
Dan White