Re: [Bacula-users] bacula restore -> Volume data error

Hello,

I still have problem I mentioned in previous email. I've checked one random file that fails to be restored: db_mysql_dumps_1123-2009.tar.gz

-rw-r--r-- 1 root root 252444672 2009-11-23 02:02 /tmp/bacula-restore/var/db_backups/db_mysql_dumps_1123-2009.tar.gz
-rw-r--r-- 1 root root 281037550 2009-11-23 02:02 /var/db_backups/db_mysql_dumps_1123-2009.tar.gz

and the file is obviously backed up not complete. So restoration process fails ( tar xfv on incomplete archive ->
tar: Unexpected EOF in archive
tar: Error is not recoverable: exiting now
)

01-Dec 23:17 host-sd JobId 343: Ready to read from volume "Volumes0097" on device "FileStorage" (/backups/).
01-Dec 23:17 host-sd JobId 343: Forward spacing Volume "Volumes0097" to file:block 0:198.
01-Dec 23:25 host-sd JobId 343: Error: block.c:318 Volume data error at 8:3859489557!
Block checksum mismatch in block=592437 len=64512: calc=edab1d9b blk=820517c2
01-Dec 23:24 client-fd JobId 343: Error: attribs.c:421 File size of restored file /home/tmp/var/db_backups/db_mysql_dumps_1123-2009.tar.gz not correct. Original 281037550, restored 252444672.

do you have idea what could be reason for this ? As I said hdd is fine.

Thanks

On Fri, Nov 27, 2009 at 2:28 AM, Radim Roska <radim.roska AT gmail DOT com> wrote:

Hello,

I've got bacula on debian from backports -> version 2.4.4. As storage
i use HDD - raid 1 (no tape).

Backups are done without error. But than when i want to restore
something,...sometimes it fails because of bad checksum..its not just
that one volume..actually most restore jobs fails.

e.g.:
08-Nov 12:41 host-sd JobId 268: Ready to read from volume
"Volumes0067" on device "FileStorage" (/backups/).
08-Nov 12:41 host-sd JobId 268: Forward spacing Volume "Volumes0067"
to file:block 0:198.
08-Nov 12:41 host-sd JobId 268: Error: block.c:318 Volume data error
at 0:626540712!
Block checksum mismatch in block=9713 len=64512: calc=12e65067 blk=5d0e32ee

Disks are apparently ok - SMART and badblocks didnt find anything.

Ive tried to extract that volume with bextract and of course result is
same (since its using same code i guess:)
27-lis 02:17 bextract JobId 0: Error: block.c:318 Volume data error at
0:324689092!
Block checksum mismatch in block=5034 len=64512: calc=e7cf8c6b blk=c0d129b3
27-lis 02:17 bextract JobId 0: Error: attribs.c:421 File size of
restored file tmp//var/spool/cyrus/mail/c/user/cxxxx/Sent/155. not
correct. Original 2515248, restored 1245184.
bextract: acquire.c:436-0 dir_update_vol_info. label=64 Vol=Volumes0067

Please do you have any suggestion where could be problem?
Thanks

Radim

--
Radim Roška

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