Reconstructing Mailboxes - HELP!

Joe Finkle scrasher21212121 at hotmail.com
Tue Oct 29 18:04:25 EST 2002


Robert,
Just to confirm, I do not need to remove all of /var/imap, just /var/imap/db 
and /var/imap/mailboxes.db?

Thanks,
Lee


>From: Robert Scussel <rscuss at omniti.com>
>Reply-To: rscuss at omniti.com
>To: Joe Finkle <scrasher21212121 at hotmail.com>
>CC: info-cyrus at lists.andrew.cmu.edu
>Subject: Re: Reconstructing Mailboxes - HELP!
>Date: Tue, 29 Oct 2002 17:55:23 -0500
>
>Just run :
>
>	sudo -u cyrus /usr/cyrus/bin/ctl_mboxlist -d > filename
>
>and then after you have moved the old one out of the way (import over the 
>old doesn't/didn't work well) then just do:
>
>	sudo -u cyrus /usr/cyrus/bin/ctl_mboxlist -u < filename
>
>Before you start, let me clarify:
>
>   remove the files in /var/spool/imapdb/db -- and always do an rsync of 
>/var/spool/imapdb to somewhere before starting in case things go horribly 
>wrong.
>
>B
>
>
>Joe Finkle wrote:
>>Wow, that really stinks. At this point I dont really have a choice though. 
>>Can you give me specifics on how you made a flat text file backup and how 
>>you reconstructed things using that?
>>
>>Thanks,
>>Lee
>>
>>
>>>From: Robert Scussel <rscuss at omniti.com>
>>>Reply-To: rscuss at omniti.com
>>>To: Joe Finkle <scrasher21212121 at hotmail.com>
>>>CC: info-cyrus at lists.andrew.cmu.edu
>>>Subject: Re: Reconstructing Mailboxes - HELP!
>>>Date: Tue, 29 Oct 2002 17:41:16 -0500
>>>
>>>Last time we had this problem we had to move mailboxes.db out of the way, 
>>>remove everything in /var/spool/imapdb/ and then recreate our 
>>>mailboxes.db file from a flat text backup and then run reconstruct, which 
>>>takes awhile depending on you number of users.
>>>
>>>Hopes this helps,
>>>B
>>>
>>>Joe Finkle wrote:
>>>
>>>>Cyrus: 2.1.9
>>>>
>>>>We suffered some data corruption on our cyrus box and the mailboxes.db 
>>>>and the db/ folder were lost. When we start cyrus, ctl_cyrusdb just 
>>>>hangs with the following strace:
>>>>
>>>>open("/export/cyrus/imap/mailboxes.db", O_RDWR|O_LARGEFILE) = 6
>>>>fcntl64(6, F_SETFD, FD_CLOEXEC)         = 0
>>>>fstat64(6, {st_mode=S_IFREG|0600, st_size=294912, ...}) = 0
>>>>select(0, NULL, NULL, NULL, {0, 1000})  = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {0, 2000})  = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {0, 4000})  = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {0, 8000})  = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {0, 16000}) = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {0, 32000}) = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {0, 64000}) = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {0, 128000}) = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {0, 256000}) = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {0, 512000}) = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
>>>>select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
>>>>
>>>>The last line continues forever.
>>>>
>>>>Given the above, I assume the problem is a corrupted mailboxes.db file. 
>>>>Im trying to run reconstruct -rf on each of the mailboxes (since 
>>>>reconstruct -m is disabled), but doing so with the the old 
>>>>mailboxes.db/db folder does not fix the hanging ctlcyrus_db problem. If 
>>>>I delete everying in the db folder and i delete the mailboxes.db file, 
>>>>reconstruct complains that it cant open the mailboxes.db file. I tried 
>>>>using a fresh cyrus install's db/mailboxes and reconstruct again runs 
>>>>for 1 second then ends doing nothing. Strace just shows it opening the 
>>>>files.
>>>>
>>>>Any help would be much appreciated.
>>>>
>>>>Thanks,
>>>>Lee
>>>>
>>>>_________________________________________________________________
>>>>Protect your PC - get McAfee.com VirusScan Online 
>>>>http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963
>>>>
>>>
>>>
>>>
>>>--
>>>Robert Scussel
>>>1024D/BAF70959/0036 B19E 86CE 181D 0912  5FCC 92D8 1EA1 BAF7 0959
>>
>>
>>
>>_________________________________________________________________
>>Protect your PC - get McAfee.com VirusScan Online 
>>http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963
>>
>
>
>
>--
>Robert Scussel
>1024D/BAF70959/0036 B19E 86CE 181D 0912  5FCC 92D8 1EA1 BAF7 0959


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