I have tried many iterations of btape to get a simplified single tape test to
work with a VXA-2 Exabyte drive in a Storageloader. This issue has been
submitted to the user list without resolution. I have tried many variations
of a Device resource witout success. The attempts always result in "Backspace
file at EOT failed". The tail of the output:
Wrote block=265000, file,blk=18,1499 VolBytes=17,095,615,488 rate=5.502 MB/s
Wrote block=270000, file,blk=18,6499 VolBytes=17,418,175,488 rate=5.505 MB/s
14:58:25 Flush block, write EOF
Wrote block=275000, file,blk=18,11499 VolBytes=17,740,735,488 rate=5.509 MB/s
Wrote block=280000, file,blk=19,999 VolBytes=18,063,295,488 rate=5.510 MB/s
Wrote block=285000, file,blk=19,5999 VolBytes=18,385,855,488 rate=5.514 MB/s
05-Jan 15:00 btape JobId 0: Error: block.c:573 Write error at 19:7055 on device
"Exabyte_VXA-2" (/dev/nst0). ERR=Input/output error.
05-Jan 15:00 btape JobId 0: Error: Backspace file at EOT failed.
ERR=Input/output error
btape: btape.c:2701 Last block at: 19:7054 this_dev_block_num=7055
btape: btape.c:2736 End of tape 19:0. Volume Bytes=18,453,980,160. Write rate =
5.511 MB/s
btape: btape.c:2311 Wrote 1000 blocks on second tape. Done.
Done writing 0 records ...
btape: btape.c:2380 Wrote state file last_block_num1=7054 last_block_num2=0
btape: btape.c:2395
15:00:37 Done filling tape at 19:0. Now beginning re-read of tape ...
btape: btape.c:2476 Enter do_unfill
05-Jan 15:02 btape JobId 0: Ready to read from volume "TestVolume1" on device
"Exabyte_VXA-2" (/dev/nst0).
Rewinding.
Reading the first 10000 records from 0:0.
10000 records read now at 1:5084
Reposition from 1:5084 to 19:7054
Reading block 7054.
The last block on the tape matches. Test succeeded.
btape: btape.c:2403 do_unfill failed.
My current Device resource is:
Device {
Name = "Exabyte_VXA-2"
# btape cap command:
#EOF BSR BSF FSR FSF !FASTFSF !BSFATEOM !EOM REM !RACCESS !AUTOMOUNT !LABEL
!ANONVOLS ALWAYSOPEN MTIOCGET
Media Type = "VXA-2"
Archive Device = /dev/nst0
Device Type = Tape
Autochanger = yes # if yes, must specify Autochanger resource
Alert Command = "/bin/sh -c '/usr/sbin/tapeinfo -f %c | grep TapeAlert |
cat'" # cat returns 0 to prevent error return code from grep
Maximum Changer Wait = 30 minutes
Maximum Rewind Wait = 20 minutes
Maximum Open Wait = 25 minutes
RemovableMedia = yes
AlwaysOpen = yes # default = yes
Random Access = no # no for tapes
Hardware End of Medium = no # default = yes??
BSF at EOM = yes # docs says default is No but errors are
produced: "Error: Backspace file at EOT failed"
# BSF at EOM = no # docs says default is No but errors are
produced: "Error: Backspace file at EOT failed"
# TWO EOF = yes # default = No
TWO EOF = no # default = No
Forward Space Record = yes # default = yes
Forward Space File = yes # default = yes
Backward Space Record = yes # default = yes
# Backward Space Record = no # default = yes
Backward Space File = yes # default = yes
# Backward Space File = no # default = yes
Fast Forward Space File = no # default = yes
Use MTIOCGET = yes # default = yes
Offline On Unmount = no # default = no
#AutomaticMount = yes
Auto Select = yes # default = yes
}
The tape drive itself has been swapped out without any change in results.
If anyone can shed some light on this it would be much appreciated.
Best Regards,
David Koski
[email protected]
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