Fatal error: Exists wrong 513 512 483 17057

[Bron Gondwana]

Awesome - yes, the IOERROR messages are because files it expected to find weren't there. It's frustrating that reconstruct isn't robust enough to bring a slightly bogus cyrus.index back from the dead, but the end result is a working mailbox with a fully correct cyrus.index file :)

The only thing that may have happened is that some emails which were previously deleted in the TareasCron folder came back from the dead - and of course all the flags on those messages will have gone away too. But the mailbox will work correctly now.

Cheers,

Bron.

On Tue, Feb 5, 2019, at 03:26, Daniel Bareiro wrote:
> Hi, Bron. Thanks for your reply.
> 
> On 4/2/19 05:45, Bron Gondwana wrote:
> 
> > Oh how frustrating...
> 
> >> I tried using 'reconstruct' as you suggested and this was the result:
> >>
> >> ----------
> >> # /usr/lib/cyrus/bin/reconstruct -r user.admin
> >> user.admin
> >> user.admin.Backups
> >> user.admin.Drafts
> >> user.admin.Sent
> >> user.admin.TareasCron: record corrupted 13 (maybe uid 9836)
> >> user.admin.TareasCron: Mailbox format corruption detected Failed to
> >> reconstruct mailbox
> >> user.admin.Trash
> >> ----------
> 
> > This clearly isn't syslogging enough! Can you check the permissions on
> > the underlying filesystem! Also, try running reconstruct with -G,
> > though it shouldn't make a difference.
> 
> The previous thing was the output that I was obtaining in the console
> when executing 'reconstruct'. This is what I get in the syslog when
> executing the command with the '-G' flag:
> 
> ----------
> Feb 4 11:48:29 mail cyrus/reconstruct[22727]: reconstructing user.admin
> Feb 4 11:48:47 mail cyrus/reconstruct[22727]: mailbox: longlock
> user.admin for 17.8 seconds
> Feb 4 11:48:47 mail cyrus/reconstruct[22727]: Repacking mailbox
> user.admin version 13
> Feb 4 11:48:48 mail cyrus/reconstruct[22727]: reconstructing
> user.admin.Backups
> Feb 4 11:48:50 mail cyrus/reconstruct[22727]: mailbox: longlock
> user.admin.Backups for 2.5 seconds
> Feb 4 11:48:50 mail cyrus/reconstruct[22727]: Repacking mailbox
> user.admin.Backups version 13
> Feb 4 11:48:50 mail cyrus/reconstruct[22727]: reconstructing
> user.admin.Drafts
> Feb 4 11:48:51 mail cyrus/reconstruct[22727]: reconstructing
> user.admin.Sent
> Feb 4 11:48:51 mail cyrus/reconstruct[22727]: reconstructing
> user.admin.TareasCron
> ----------
> 
> But in essence the console shows the same output as without adding '-G':
> 
> ----------
> # /usr/lib/cyrus/bin/reconstruct -G -r user.admin
> user.admin
> user.admin.Backups
> user.admin.Drafts
> user.admin.Sent
> user.admin.TareasCron: record corrupted 13 (maybe uid 9836)
> user.admin.TareasCron: Mailbox format corruption detected Failed to
> reconstruct mailbox
> user.admin.Trash
> ----------
> 
> >> Just 'TasksCron' is the folder that I can not open. What do you suggest
> >> to do in this case?
> 
> > I'd take a backup, and then delete the cyrus.index file in that folder
> > and run reconstruct again... That's a pretty extreme approach, but it
> > should work.
> 
> Let's try the pretty extreme approach... :-D
> 
> ----------
> Feb 4 12:04:43 mail cyrus/reconstruct[22990]: reconstructing user.admin
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: reconstructing
> user.admin.Backups
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: reconstructing
> user.admin.Drafts
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: reconstructing
> user.admin.Sent
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: reconstructing
> user.admin.TareasCron
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: IOERROR: opening index
> user.admin.TareasCron: System I/O error
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: create new mailbox
> user.admin.TareasCron
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: failed to read index
> header for user.admin.TareasCron
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 9837 found - adding
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 9838 found - adding
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 9839 found - adding
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 9840 found - adding
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 9841 found - adding
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 9842 found - adding
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 9843 found - adding
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 9844 found - adding
> Feb 4 12:04:44 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 9845 found - adding
> [...]
> Feb 4 12:07:21 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 27841 found - adding
> Feb 4 12:07:21 mail cyrus/reconstruct[22990]: user.admin.TareasCron uid
> 27842 found - adding
> Feb 4 12:07:21 mail cyrus/reconstruct[22990]: mailbox: longlock
> user.admin.TareasCron for 157.3 seconds
> Feb 4 12:07:21 mail cyrus/reconstruct[22990]: reconstructing
> user.admin.Trash
> ----------
> 
> I guess the 'IOERROR' is because the cyrus.index file can not be found.
> When afterwards it says 'create new mailbox user.admin.TareasCron' what
> it is creating is the index? Because, if so, I don't understand why
> later it says 'failed to read index header for user.admin.TareasCron'.
> 
> In any case, I am now able to access the 'TareasCron' folder without
> problems. Thank you so much!
> 
> >> I'm using Cyrus 2.5.10-3 on Debian Stretch. A few days ago I upgraded
> >> the entire operating system with Debian Jessie and Cyrus 2.4.17.
> 
> > That upgrade should be fine, and 2.5.10 should be fine as well. I just
> > poked around in the code there to see how the reconstruct might be
> > failing, and there's not enough information to know what's happening.
> 
> I think the only problem was with this folder. The access to the other
> mailboxes worked without problems after the upgrade.
> 
> 
> Thank you very much for your time.
> 
> Kind regards,
> Daniel
> 
> 
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--
 Bron Gondwana, CEO, FastMail Pty Ltd
 brong at fastmailteam.com

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