Following situation:
as i tried to label some brand new LTO4-tapes at bconsole, i got following
error:
---
[... label dialog ...]
Sending label command for Volume "DailyTape-001" Slot 17 ...
3301 Issuing autochanger "loaded? drive 0" command.
3302 Autochanger "loaded? drive 0", result: nothing loaded.
3304 Issuing autochanger "load slot 17, drive 0" command.
3305 Autochanger "load slot 17, drive 0", status is OK.
3301 Issuing autochanger "loaded? drive 0" command.
3302 Autochanger "loaded? drive 0", result is Slot 17.
block.c:995 Read error on fd=5 at file:blk 0:0 on device "lto4drive"
(/dev/nst0). ERR=Input/output error.
3000 OK label. VolBytes=64512 DVD=0 Volume="DailyTape-001" Device="lto4drive"
(/dev/nst0)
Catalog record for Volume "DailyTape-001", Slot 17 successfully created.
Requesting to mount MSL2024 ...
3301 Issuing autochanger "loaded? drive 0" command. 3302
Autochanger "loaded? drive 0", result is Slot 17. 3001 Mounted Volume:
DailyTape-001
3001 Device "lto4drive" (/dev/nst0) is mounted with Volume "DailyTape-001"
---
Because the
"block.c:995 Read error on fd=5 at file:blk 0:0 on device "lto4drive"
(/dev/nst0). ERR=Input/output error. "
was very strange to me, so i google'd a bit and found an advice, that
a "mt -f /dev/nst0 weof" should correct such errors.
So i issued this command. Relabeling worked after that just fine.
And labeling of new tapes, for which i issued the "weof" worked also fine.
Now, as i wanted to make a backup on one of such tapes, i got following:
-----------
14-Dec 12:22 backupserver-dir JobId 16: BeforeJob: run command
"/etc/bacula/scripts/create-bootstrap-dir testserver"
14-Dec 12:22 backupserver-dir JobId 16: Start Backup JobId 16,
Job=testserver_backup.2007-12-14_12.22.08
14-Dec 12:23 backupserver-dir JobId 16: Using Device "lto4drive"
14-Dec 12:23 testserver-fd JobId 16: ClientBeforeJob: run command
"/etc/bacula/scripts/pre.backup.sh"
14-Dec 12:23 backupserver-sd JobId 16: 3307 Issuing autochanger "unload slot
20, drive 0" command.
14-Dec 12:23 backupserver-sd JobId 16: 3304 Issuing autochanger "load slot 4,
drive 0" command.
14-Dec 12:24 backupserver-sd JobId 16: 3305 Autochanger "load slot 4, drive 0",
status is OK.
14-Dec 12:24 backupserver-sd JobId 16: 3301 Issuing autochanger "loaded? drive
0" command.
14-Dec 12:24 backupserver-sd JobId 16: 3302 Autochanger "loaded? drive 0",
result is Slot 4.
14-Dec 12:24 backupserver-sd JobId 16: Wrote label to prelabeled Volume
"WeeklyTape-004" on device "lto4drive" (/dev/nst0)
14-Dec 12:24 backupserver-sd JobId 16: Spooling data ...
14-Dec 12:24 backupserver-sd JobId 16: Job write elapsed time = 00:00:24,
Transfer rate = 112.6 M bytes/second
14-Dec 12:24 testserver-fd JobId 16: ClientAfterJob: run command
"/etc/bacula/scripts/post.backup.sh"
14-Dec 12:24 backupserver-sd JobId 16: Committing spooled data to Volume
"WeeklyTape-004". Despooling 2,705,126,557 bytes ...
14-Dec 12:24 backupserver-sd JobId 16: Error: block.c:569 Write error at 0:2 on
device "lto4drive" (/dev/nst0). ERR=Input/output error.
14-Dec 12:25 backupserver-sd JobId 16: Re-read of last block succeeded.
14-Dec 12:25 backupserver-sd JobId 16: End of medium on Volume "WeeklyTape-004"
Bytes=129,024 Blocks=1 at 14-Dec-2007 12:25.
14-Dec 12:25 backupserver-sd JobId 16: 3301 Issuing autochanger "loaded? drive
0" command.
14-Dec 12:25 backupserver-sd JobId 16: 3302 Autochanger "loaded? drive 0",
result is Slot 4.
14-Dec 12:25 backupserver-sd JobId 16: 3307 Issuing autochanger "unload slot 4,
drive 0" command.
14-Dec 12:25 backupserver-sd JobId 16: 3304 Issuing autochanger "load slot 5,
drive 0" command.
14-Dec 12:26 backupserver-sd JobId 16: 3305 Autochanger "load slot 5, drive 0",
status is OK.
14-Dec 12:26 backupserver-sd JobId 16: 3301 Issuing autochanger "loaded? drive
0" command.
14-Dec 12:26 backupserver-sd JobId 16: 3302 Autochanger "loaded? drive 0",
result is Slot 5.
14-Dec 12:26 backupserver-sd JobId 16: Wrote label to prelabeled Volume
"WeeklyTape-005" on device "lto4drive" (/dev/nst0)
14-Dec 12:26 backupserver-sd JobId 16: New volume "WeeklyTape-005" mounted on
device "lto4drive" (/dev/nst0) at 14-Dec-2007 12:26.
14-Dec 12:26 backupserver-sd JobId 16: Error: block.c:569 Write error at 0:2 on
device "lto4drive" (/dev/nst0). ERR=Input/output error.
14-Dec 12:26 backupserver-sd JobId 16: Error: block.c:318 Volume data error at
0:4294967295!
Block checksum mismatch in block=1 len=64512: calc=1fff406f blk=a8f761ff
14-Dec 12:26 backupserver-sd JobId 16: Error: Re-read last block at EOT failed.
ERR=block.c:318 Volume data error at 0:4294967295!
Block checksum mismatch in block=1 len=64512: calc=1fff406f blk=a8f761ff
14-Dec 12:26 backupserver-sd JobId 16: End of medium on Volume "WeeklyTape-005"
Bytes=129,024 Blocks=1 at 14-Dec-2007 12:26.
14-Dec 12:26 backupserver-sd JobId 16: 3301 Issuing autochanger "loaded? drive
0" command.
14-Dec 12:26 backupserver-sd JobId 16: 3302 Autochanger "loaded? drive 0",
result is Slot 5.
14-Dec 12:26 backupserver-sd JobId 16: 3307 Issuing autochanger "unload slot 5,
drive 0" command.
* [cancelling the job]
14-Dec 12:27 backupserver-sd JobId 16: Job
testserver_backup.2007-12-14_12.22.08 marked to be canceled.
14-Dec 12:27 backupserver-dir JobId 16: Bacula backupserver-dir 2.2.5
(09Oct07): 14-Dec-2007 12:27:02
Build OS: x86_64-pc-linux-gnu debian 4.0
JobId: 16
Job: testserver_backup.2007-12-14_12.22.08
Backup Level: Full
Client: "testserver" 2.2.5 (09Oct07)
x86_64-pc-linux-gnu,debian,4.0
FileSet: "testserver fileset" 2007-12-12 23:05:00
Pool: "WeeklyBackups" (From Job FullPool override)
Storage: "msl2024" (From Pool resource)
Scheduled time: 14-Dec-2007 12:22:37
Start time: 14-Dec-2007 12:23:00
End time: 14-Dec-2007 12:27:02
Elapsed time: 4 mins 2 secs
Priority: 3
FD Files Written: 1,907
SD Files Written: 0
FD Bytes Written: 2,702,355,329 (2.702 GB)
SD Bytes Written: 0 (0 B)
Rate: 11166.8 KB/s
Software Compression: None
VSS: no
Encryption: no
Volume name(s): WeeklyTape-004|WeeklyTape-005
Volume Session Id: 4
Volume Session Time: 1197629915
Last Volume Bytes: 64,512 (64.51 KB)
Non-fatal FD errors: 0
SD Errors: 0
FD termination status: OK
SD termination status: Error
Termination: Backup Canceled
-----------
This is the list of the tapes after the unsuccessfull backup:
(the first tape was not "mt -f /dev/nst0 weof"ed.)
+---------+----------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
| MediaId | VolumeName | VolStatus | Enabled | VolBytes | VolFiles |
VolRetention | Recycle | Slot | InChanger | MediaType | LastWritten |
+---------+----------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
| 1 | WeeklyTape-001 | Full | 1 | 106,370,611,200 | 108 |
2,678,400 | 1 | 1 | 1 | LTO-4 | 2007-12-14 09:21:26 |
| 14 | WeeklyTape-002 | Full | 1 | 129,024 | 1 |
2,678,400 | 1 | 2 | 1 | LTO-4 | 2007-12-14 09:23:44 |
| 15 | WeeklyTape-003 | Full | 1 | 129,024 | 1 |
2,678,400 | 1 | 3 | 1 | LTO-4 | 2007-12-14 10:38:22 |
| 16 | WeeklyTape-004 | Full | 1 | 129,024 | 1 |
2,678,400 | 1 | 4 | 1 | LTO-4 | 2007-12-14 12:25:01 |
| 20 | WeeklyTape-005 | Full | 1 | 129,024 | 1 |
2,678,400 | 1 | 5 | 1 | LTO-4 | 2007-12-14 12:26:49 |
| 21 | WeeklyTape-006 | Append | 1 | 64,512 | 0 |
2,678,400 | 1 | 6 | 1 | LTO-4 | 0000-00-00 00:00:00 |
| 22 | WeeklyTape-007 | Append | 1 | 64,512 | 0 |
2,678,400 | 1 | 7 | 1 | LTO-4 | 0000-00-00 00:00:00 |
| 23 | WeeklyTape-008 | Append | 1 | 64,512 | 0 |
2,678,400 | 1 | 8 | 1 | LTO-4 | 0000-00-00 00:00:00 |
| 24 | WeeklyTape-009 | Append | 1 | 64,512 | 0 |
2,678,400 | 1 | 9 | 1 | LTO-4 | 0000-00-00 00:00:00 |
| 25 | WeeklyTape-010 | Append | 1 | 64,512 | 0 |
2,678,400 | 1 | 10 | 1 | LTO-4 | 0000-00-00 00:00:00 |
| 26 | WeeklyTape-011 | Append | 1 | 64,512 | 0 |
2,678,400 | 1 | 11 | 1 | LTO-4 | 0000-00-00 00:00:00 |
| 27 | WeeklyTape-012 | Append | 1 | 64,512 | 0 |
2,678,400 | 1 | 12 | 1 | LTO-4 | 0000-00-00 00:00:00 |
| 28 | WeeklyTape-013 | Append | 1 | 64,512 | 0 |
2,678,400 | 1 | 13 | 1 | LTO-4 | 0000-00-00 00:00:00 |
| 29 | WeeklyTape-014 | Append | 1 | 64,512 | 0 |
2,678,400 | 1 | 14 | 1 | LTO-4 | 0000-00-00 00:00:00 |
| 30 | WeeklyTape-015 | Append | 1 | 64,512 | 0 |
2,678,400 | 1 | 15 | 1 | LTO-4 | 0000-00-00 00:00:00 |
+---------+----------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+-----------+---------------------+
As it seems to me, the "mt -f /dev/nst0 weof" wrote the EndOfTape at 129.024
bytes and bacula stops at that mark and assumes
that the tape is full.
Question1: how/with what command can i remove the "wrong"/"bad" EOF-Mark at
129.024-bytes?
Question2: what have i've done wrong?
By the way: a simple "tar cf /dev/nsf0 /tmp/20GigBigFile" works like a charm.
Reading/writing without any problem and the md5sum's are correct....
Mit freundlichen Grüßen
Vladimirs Vecgailis
--
==================================
Vladimirs Vecgailis
Colocation IT
primacall Vertriebs-GmbH
Postfach 08 04 55
10004 Berlin
Leipziger Str. 124
10117 Berlin
GERMANY
Phone +49 30 206143 875
eMail [EMAIL PROTECTED]
Web http://www.primacall.de
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