[Bacula-users] Newbie issue with AIT-3 (SDX700C)

I'm new to Bacula coming from and OLD version of Legato.  I'm going to 
be using an ADIC Scalar 100 w/4 SDX700C AIT-3 drives and all AIT-3 media 
to backup several TB of data.  I have poked around and do see others 
using this drive type.  I'm interested to see what settings others use

I got bacula and mtx installed and can drive the robot without issue.  I 
loaded slot 9 into drive 0 (rmt0 in my config below) and began the 
"Testing Your Tape Drive" section.  I performed the tar operation 
against about 2GB of data with no issues or errors so I defined the 
robot and tapes in the bacula-sd.conf file (below) but receive this 
output.  I did play with a few settings (Block Positioning, Min/Max 
block) but it didn't seem to help:

root@johnson:/opt/bacula/sbin# ./btape -c bacula-sd.conf /dev/rmt/0cbn
Tape block granularity is 1024 bytes.
btape: butil.c:285 Using device: "/dev/rmt/0cbn" for writing.
18-Nov 17:48 btape JobId 0: 3301 Issuing autochanger "loaded? drive 0" 
command.
18-Nov 17:48 btape JobId 0: 3302 Autochanger "loaded? drive 0", result 
is Slot 9.
btape: btape.c:383 open device "rmt0" (/dev/rmt/0cbn): OK
*test

=== Write, rewind, and re-read test ===

I'm going to write 1000 records and an EOF
then write 1000 records and an EOF, then rewind,
and re-read the data to verify that it is correct.

This is an *essential* feature ...

btape: btape.c:841 Wrote 1000 blocks of 64412 bytes.
btape: btape.c:515 Wrote 1 EOF to "rmt0" (/dev/rmt/0cbn)
btape: btape.c:857 Wrote 1000 blocks of 64412 bytes.
btape: btape.c:515 Wrote 1 EOF to "rmt0" (/dev/rmt/0cbn)
btape: btape.c:866 Rewind OK.
1000 blocks re-read correctly.
18-Nov 17:50 btape JobId 0: Error: block.c:1106 Volume data error at 
0:1000! Short block of 2048 bytes on device "rmt0" (/dev/rmt/0cbn) 
discarded.
btape: btape.c:878 Read block 1001 failed! ERR=I/O error
*


Right now I have the configuration below (I have only included the 1st 
device since that's what I'm trying to test, tapes 2,3,4 are duplicates 
with appropriate changes).  I removed the settings recommended in 
testing because they didn't fix anything.

# ADIC Scalar 100
Autochanger {
  Name = ADIC-Scalar-100
  Device = rmt0
  Device = rmt1
  Device = rmt2
  Device = rmt3
  Changer Command = "/opt/bacula/etc/mtx-changer %c %o %S %a %d"
  Changer Device = /dev/scsi/changer/c0t2d0
}

Device {
  Name = rmt0
  Archive Device = /dev/rmt/0cbn
  Device Type = Tape;
  Media Type = AIT-3
  AutoChanger = yes;
  Changer Device = /dev/scsi/changer/c0t2d0
  Changer Command = "/opt/bacula/etc/mtx-changer %c %o %S %a %d"
  Alert Command = "sh -c '/opt/bacula/sbin/tapeinfo -f %c |grep 
TapeAlert|cat'"
  Drive Index = 0
  AlwaysOpen = yes;
  AutomaticMount = yes;
  RemovableMedia = yes;
  RandomAccess = no;
}



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