Re: mdbox attachment errors

2015-03-02 Thread Paolo Cravero
 Il 27 febbraio 2015 alle 18.18 Hardy Flor:

 
 copy file f6f4f3b882bf3488af632389d4aaba8adc332b12 from backup to 
 /var/mail/attachments/f6/f4/hashes/f6f4f3b882bf3488af632389d4aaba8adc332b12
 
 and create hardlink to 
 /var/mail/attachments/f6/f4/f6f4f3b882bf3488af632389d4aaba8adc332b12-60ab750a1aa4b554da169db5accb

Sure. That fix restores access to the mailbox/message/attachment. What if
the file disappeared before the backup process copied it? What if 1% of
20'000 users open a ticket a day for the same reason?

But ... why did it disappear at all?


I got the same error on a test environment, where I am learning Dovecot (see
my message sent 26/2/2015 at 14:48 CET). Nobody else has access to my
server. I have not manually deleted files in the SIS partition. With a
little script I ran through my mdbox m.* files, I extracted attachment
hash-filenames and searched for them on the disk: 10 were missing. In some
cases there is no hashes directory at all. Not even the 2nd level base path
( /attachments/a/b/hash  stops at /attachments/a ). WHY???

Note that depending on how the IMAP client accesses the mailbox folder, you
may be unable to see the whole folder at all! That's the case with
Open-Xchange.

Again: which tests can be run in order to confirm the behaviour and possibly
a bug?
Paolo Cravero


Re: mdbox attachment errors

2015-02-27 Thread Hardy Flor
copy file f6f4f3b882bf3488af632389d4aaba8adc332b12 from backup to 
/var/mail/attachments/f6/f4/hashes/f6f4f3b882bf3488af632389d4aaba8adc332b12 
and create hardlink to 
/var/mail/attachments/f6/f4/f6f4f3b882bf3488af632389d4aaba8adc332b12-60ab750a1aa4b554da169db5accb



Am 26.02.2015 um 21:17 schrieb Daniel Miller:

Getting some errors like:

Feb 26 12:19:43 bubba dovecot: imap(dmil...@amfes.com): Error: 
read(attachments-connector(/var/mail/amfes.com/dmiller/mdbox/storage/m.7089)) 
failed: 
read(/var/mail/attachments/f6/f4/f6f4f3b882bf3488af632389d4aaba8adc332b12-60ab750a1aa4b554da169db5accb[base64:18 
b/l]) failed: 
open(/var/mail/attachments/f6/f4/f6f4f3b882bf3488af632389d4aaba8adc332b12-60ab750a1aa4b554da169db5accb) 
failed: No such file or directory (uid=19555, box=Sent)
Feb 26 12:19:43 bubba dovecot: imap(dmil...@amfes.com): Disconnected: 
Internal error occurred. Refer to server log for more information. 
[2015-02-26 12:19:43] in=159 out=1003


Browsing to the ../attachments/f6/f4 folder, I find no files but a 
hashes folder, which has a f6f4f3b882bf3488af632389d4aaba8adc332b12 
file of size that feels appropriate for the expected PDF attachment.




mdbox attachment errors

2015-02-26 Thread Daniel Miller

Getting some errors like:

Feb 26 12:19:43 bubba dovecot: imap(dmil...@amfes.com): Error: 
read(attachments-connector(/var/mail/amfes.com/dmiller/mdbox/storage/m.7089)) 
failed: 
read(/var/mail/attachments/f6/f4/f6f4f3b882bf3488af632389d4aaba8adc332b12-60ab750a1aa4b554da169db5accb[base64:18 
b/l]) failed: 
open(/var/mail/attachments/f6/f4/f6f4f3b882bf3488af632389d4aaba8adc332b12-60ab750a1aa4b554da169db5accb) 
failed: No such file or directory (uid=19555, box=Sent)
Feb 26 12:19:43 bubba dovecot: imap(dmil...@amfes.com): Disconnected: 
Internal error occurred. Refer to server log for more information. 
[2015-02-26 12:19:43] in=159 out=1003


Browsing to the ../attachments/f6/f4 folder, I find no files but a 
hashes folder, which has a f6f4f3b882bf3488af632389d4aaba8adc332b12 
file of size that feels appropriate for the expected PDF attachment.


--
Daniel