Hi there,
I have this DVD backup on Bacula 2.0.3 that has taken 7 4.7GB DVD's.
Among those, there is this volume that shows:
| 60 | DVDVOL-0015 | Full | 1 | 5,478,552,645 | 1
| 31,536,000 | 0 | 0 | 0 | DVD | 2007-08-16
22:07:58 |
My DVD backup has a maximum part size of 800MB that would lead to 6
parts (5 of ~800MB and one of ~400MB). However, it shows:
-rw-r----- 1 root root 838849706 Aug 16 21:14 DVDVOL-0015
-rw-r----- 1 root root 838849527 Aug 16 21:20 DVDVOL-0015.2
-rw-r----- 1 root root 838849520 Aug 16 21:29 DVDVOL-0015.3
-rw-r----- 1 root root 838849514 Aug 16 21:39 DVDVOL-0015.4
-rw-r----- 1 root root 838849521 Aug 16 21:48 DVDVOL-0015.5
-rw-r----- 1 root root 838849497 Aug 16 21:58 DVDVOL-0015.6
-rw-r----- 1 root root 445455360 Aug 16 22:05 DVDVOL-0015.7
That is consistent with the +5GB(!) with the list volume info above.
The log shows that there was no incident, except for the pseudo-extra
free space. And all other volumes have the correct sizes. There is no
read error but the volume is useless as bacula detects data corruption
when trying to read the data.
How can I find out which files have been compromised by this error? This
is necessary because the DVD backup happens only to the unused files and
they are deleted from the disk after a successful backup and I have to
recover them before the next tape cycle.
Thank you,
Gustavo.
Exerpt of bacula's log:
16-Aug 21:07 host-sd: End of medium on Volume "DVDVOL-0014"
Bytes=4,667,056,208 Blocks=72,344 at 16-Aug-2007 21:07.
16-Aug 21:07 host-dir: Created new Volume "DVDVOL-0015" in catalog.
16-Aug 21:07 host-sd: Please mount Volume "DVDVOL-0015" on Storage
Device "DVD" (/dev/sr0) for Job host.2007-08-16_17.22.04
16-Aug 21:09 host-sd: Labeled new Volume "DVDVOL-0015" on device "DVD"
(/dev/sr0).
16-Aug 21:09 host-sd: Wrote label to prelabeled Volume "DVDVOL-0015" on
device "DVD" (/dev/sr0)
16-Aug 21:09 host-sd: New volume "DVDVOL-0015" mounted on device "DVD"
(/dev/sr0) at 16-Aug-2007 21:09.
16-Aug 21:15 host-sd: Part 1 (838849901 bytes) written to DVD.
16-Aug 21:15 host-sd: Remaining free space 4,662,591,488 on "DVD" (/dev/sr0)
16-Aug 21:24 host-sd: Part 2 (838849527 bytes) written to DVD.
16-Aug 21:24 host-sd: Remaining free space 3,819,175,936 on "DVD" (/dev/sr0)
16-Aug 21:33 host-sd: Part 3 (838849520 bytes) written to DVD.
16-Aug 21:34 host-sd: Remaining free space 2,975,760,384 on "DVD" (/dev/sr0)
16-Aug 21:43 host-sd: Part 4 (838849514 bytes) written to DVD.
16-Aug 21:44 host-sd: Remaining free space 2,132,344,832 on "DVD" (/dev/sr0)
16-Aug 21:52 host-sd: Part 5 (838849521 bytes) written to DVD.
16-Aug 21:53 host-sd: Remaining free space 1,288,929,280 on "DVD" (/dev/sr0)
16-Aug 22:02 host-sd: Part 6 (838849497 bytes) written to DVD.
16-Aug 22:02 host-sd: Remaining free space 445,513,728 on "DVD" (/dev/sr0)
16-Aug 22:05 host-sd: End of Volume "DVDVOL-0015" at 1:1183585543 on
device "DVD" (/dev/sr0) (part_size=445,455,360, free_space=445,513,728,
free_space_errno=0).
16-Aug 22:07 host-sd: Part 7 (445455360 bytes) written to DVD.
16-Aug 22:07 host-sd: Remaining free space 0 on "DVD" (/dev/sr0)
16-Aug 22:07 host-sd: End of medium on Volume "DVDVOL-0015"
Bytes=5,478,552,645 Blocks=84,923 at 16-Aug-2007 22:07.
16-Aug 22:07 host-dir: Created new Volume "DVDVOL-0016" in catalog.
--
"Nam et ipsa scientia potestas est"
-- Sir Francis Bacon, 1597
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