Re: Is it possible to migrate a single mailbox from cyrus 3.4.3 to 3.6.0~beta2-1 storage?

On 3/28/22 09:55, [email protected] wrote:
> Dear Andy,
> I'm waiting that the package is making its way do debian/bookworm, then 
> I will try to relocate_by_id my subfolder to the uuid of my user.
> 
> I'm watching closely what your are doing.
> I have already question:
> knowing that I have cp all the content of /var/spool/cyrus/mail/f/fuser 
> to /var/spool/cyrus/mail/uuid/x/9/x9<blala>/ and that I can see my mails 
> in my inbox but I don't see any other mailfolders, should I delete 
> everything under uuid (how should I do that?) and reelocate_by_id?
> 

I have not deleted anything in the .../uuid/ directory.

And since I haven't been able to use relocate_by_id yet, I used the 
process below suggested by Ellie in an earlier email to create mailboxes 
and subfolders and move the mail to the new uuid storage.

1. First, manually create the user's full hierarchy in uuid storage 
(using cyradm or similar), like:

createmailbox user/foo
createmailbox user/foo/Drafts
createmailbox user/foo/Trash
createmailbox user/foo/Sent
createmailbox user/foo/whatever
createmailbox user/foo/whatever/else

and so on.

At first I used cyradm for everything, but I found it was faster to only 
create the user/foo with cyradm and then log in with a good mail client 
like Thunderbird to create the mail folders and subfolders.

2. Now, on the filesystem, you'll have a bunch of new .../uuid/././.../ 
directories, one for each of those mailboxes and subfolders you just 
created. Use mbpath to tell you which is which.

You MUST use mbpath to find the uuid directory for the main user mailbox 
AND every folder and sub-folder. So this takes some time and you have to 
save the results to use in step 3.

3. Then (carefully) copy the files from each old mailbox storage 
directory to its corresponding new uuid one.

You MUST this as the user that cyrus runs as OR you have to go back and 
fix the file ownership later.  On our servers the cyrus user runs Cyrus. 
  So I copied the files using 'sudo -u cyrus cp ...' so that the email 
file ownership and permissions were the same as in the old storage.

4. Finally, a recursive reconstruct of the user should then find 
everything. This was the easy step because you only have to run it once 
for a user.

Hope you can use relocate_by_id and don't have to do this manually using 
the above steps.

-- 
Andy


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