Is it possible to append to a failed Full backup?

I have a 16 slot autoloader and been having terrific trouble writing backups in
the last month, having bought 25 new HP LTO4 tapes. In desperation, I bought 8
Sony tapes to see if this would fix it (after writing to this list, contacting
Dell Support and upgrading the firmware of library and loader). Much to
my delight my 7.5TB backup ran beautifully until I had to load a 9th
tape. The results are as you can see below -- the backup failed just
over 150GB from the end.

I'd like to put in some more good media and simply add any data from the
filesystem not in TSTbkp.2011-02-07_15.19.05_08. Is that possible?

Failure log:

09-Feb 07:07 clwbackup-sd JobId 205: Wrote label to prelabeled Volume "TST-59" 
on device "LTO4-Drive1" (/dev/nst0)
09-Feb 07:07 clwbackup-sd JobId 205: New volume "TST-59" mounted on device 
"LTO4-Drive1" (/dev/nst0) at 09-Feb-2011 07:07.
09-Feb 12:50 clwbackup-sd JobId 205: Fatal error: Unable to write EOF. 
ERR=dev.c:1745 ioctl MTWEOF error on "LTO4-Drive1" (/dev/nst0). 
ERR=Input/output error.

09-Feb 12:52 clwbackup-sd JobId 205: Error: Error writing final EOF to tape. 
This Volume may not be readable.
dev.c:1745 ioctl MTWEOF error on "LTO4-Drive1" (/dev/nst0). ERR=Input/output 
error.
09-Feb 12:52 clwbackup-sd JobId 205: Job write elapsed time = 39:39:16, 
Transfer rate = 51.61 M Bytes/second
09-Feb 12:52 clwbackup-fd JobId 205: Fatal error: backup.c:1019 Network send 
error to SD. ERR=Broken pipe
09-Feb 12:52 clwbackup-dir JobId 205: Error: Bacula clwbackup-dir 5.0.2 
(28Apr10): 09-Feb-2011 12:52:15
  Build OS:               x86_64-pc-linux-gnu debian 5.0.5
  JobId:                  205
  Job:                    TSTbkp.2011-02-07_15.19.05_08
  Backup Level:           Full
  Client:                 "clwbackup-fd" 5.0.2 (28Apr10) 
x86_64-pc-linux-gnu,debian,5.0.5
  FileSet:                "TSTfileset" 2010-08-06 15:46:23
  Pool:                   "TSTPool" (From Job resource)
  Catalog:                "MyCatalog" (From Client resource)
  Storage:                "CLW_LTO4" (From Job resource)
  Scheduled time:         07-Feb-2011 15:19:02
  Start time:             07-Feb-2011 15:19:07
  End time:               09-Feb-2011 12:52:15
  Elapsed time:           1 day 21 hours 33 mins 8 secs
  Priority:               10
  FD Files Written:       5,959,911
  SD Files Written:       5,959,910
  FD Bytes Written:       7,366,877,012,659 (7.366 TB)
  SD Bytes Written:       7,368,177,300,945 (7.368 TB)
  Rate:                   44923.3 KB/s
  Software Compression:   None
  VSS:                    no
  Encryption:             no
  Accurate:               no
  Volume name(s):         
TST-51|TST-52|TST-53|TST-54|TST-55|TST-56|TST-57|TST-58|TST-59
  Volume Session Id:      1
  Volume Session Time:    1297085760
  Last Volume Bytes:      306,015,252,480 (306.0 GB)
  Non-fatal FD errors:    0
  SD Errors:              1
  FD termination status:  Error
  SD termination status:  Error
  Termination:            *** Backup Error ***



-- 
Rory Campbell-Lange
rory AT campbell-lange DOT net

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