Making sub-folder email reappear after recovery from backup

[Simon Matter]

> On 11/2/2012 12:09 PM, Adam Tauno Williams wrote:
>> On Fri, 2012-11-02 at 11:16 -0400, Gordon Marler wrote:
>>> Can't find this mentioned in the docs or with any search I've done on
>>> the mailing list, so here goes:
>>> - Upgraded from 2.4.10 to 2.4.16 after losing my 2.4.10 system, but
>>> having mail spool backed up
>>> - After moving to the 2.4.16 system, able to see Inbox for accounts
>>> - Had to make sub-folders reappear with command like (Thank you mailing
>>> list for that tidbit!):
>>>     reconstruct -p default -rf user.gmarler.<Subfolder>
>>> - Now I can see the Inbox, Subfolders, Sub-subfolders, etc in
>>> Thunderbird
>>> BUT - Only Inbox has visible emails - All of the subfolders "appear" to
>>> be empty, but there are definitely mails in them on the mail spool.
>>> Looks like I forgot a step somewhere.  Where have I gone wrong?
>> reconstruct, with the -r [recursive] and -f [examine filesystem for
>> mailboxes] options.
> Ah, more involved than that - the crash on 2.4.10 seems to have left the
> spool in an odd state, like it was completely reorganizing the spool and
> got interrupted:
> - $SPOOL is located in /opt/csw/var/cyrus/mail/
> - Original emails were left in $SPOOL/.u/g/user/gmarler/
> - A partial copy (subfolders all empty) was here:
>    $SPOOL/g/user/gmarler/ (I wasn't looking here)
> - Another complete copy was here:
>    $SPOOL/user/gmarler/ (This is what I was looking at, but Cyrus wasn't)
>
> - Merged everything from $SPOOL/.u/g/user/gmarler/ and
> $SPOOL/user/gmarler/ into $SPOOL/g/user/gmarler/
> - Ran reconstruct -p default -rf user.gmarler
> - Started cyrus and started getting these errors:
>    DBERROR db4: PANIC: fatal region error detected; run recovery
> - Killed off the master and cleaned up the DB4 *.db databases (except
> for db/)
> - Ran reconstruct -rf user.gmarler
> - Restarted master
>
> Now everything from 1995 shows up.  Thanks for that extra tip!

I'm not sure but did you look at the "hashimapspool" and "fulldirhash"
options (and defaults)? Can it be that the new server didn't have the same
configs?

Simon

>
> GM
>>
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