I am attaching the output of the btape 'test' command on this drive... may be
useful?
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[ruth@helva ~]$ btape LTO3TapeStorage
Tape block granularity is 1024 bytes.
btape: butil.c:274-0 Using device: "LTO3TapeStorage" for writing.
btape: btape.c:482-0 open device "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst): OK
*test
=== Write, rewind, and re-read test ===
I'm going to write 10000 records and an EOF
then write 10000 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:1167-0 Wrote 10000 blocks of 524188 bytes.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1183-0 Wrote 10000 blocks of 524188 bytes.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1225-0 Rewind OK.
10000 blocks re-read correctly.
Got EOF on tape.
10000 blocks re-read correctly.
=== Test Succeeded. End Write, rewind, and re-read test ===
btape: btape.c:1294-0 Block position test
btape: btape.c:1306-0 Rewind OK.
Reposition to file:block 0:4
Block 5 re-read correctly.
Reposition to file:block 0:200
Block 201 re-read correctly.
Reposition to file:block 0:9999
Block 10000 re-read correctly.
Reposition to file:block 1:0
Block 10001 re-read correctly.
Reposition to file:block 1:600
Block 10601 re-read correctly.
Reposition to file:block 1:9999
Block 20000 re-read correctly.
=== Test Succeeded. End Write, rewind, and re-read test ===
=== Append files test ===
This test is essential to Bareos.
I'm going to write one record in file 0,
two records in file 1,
and three records in file 2
btape: btape.c:584-0 Rewound "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:482-0 open device "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst): OK
btape: btape.c:584-0 Rewound "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1438-0 Now moving to end of medium.
btape: btape.c:635-0 Moved to end of medium.
We should be in file 3. I am at file 3. This is correct!
Now the important part, I am going to attempt to append to the tape.
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:584-0 Rewound "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
Done appending, there should be no I/O errors
Doing Bareos scan of blocks:
1 block of 524224 bytes in file 1
End of File mark.
2 blocks of 524224 bytes in file 2
End of File mark.
3 blocks of 524224 bytes in file 3
End of File mark.
1 block of 524224 bytes in file 4
End of File mark.
Total files=4, blocks=7, bytes = 3,669,568
End scanning the tape.
We should be in file 4. I am at file 4. This is correct!
The above Bareos scan should have output identical to what follows.
Please double check it ...
=== Sample correct output ===
1 block of 64448 bytes in file 1
End of File mark.
2 blocks of 64448 bytes in file 2
End of File mark.
3 blocks of 64448 bytes in file 3
End of File mark.
1 block of 64448 bytes in file 4
End of File mark.
Total files=4, blocks=7, bytes = 451,136
=== End sample correct output ===
If the above scan output is not identical to the
sample output, you MUST correct the problem
or Bareos will not be able to write multiple Jobs to
the tape.
=== Write, backup, and re-read test ===
I'm going to write three records and an EOF
then backup over the EOF and re-read the last record.
Bareos does this after writing the last block on the
tape to verify that the block was written correctly.
This is not an *essential* feature ...
btape: btape.c:584-0 Rewound "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:820-0 Wrote first record of 524188 bytes.
btape: btape.c:831-0 Wrote second record of 524188 bytes.
btape: btape.c:842-0 Wrote third record of 524188 bytes.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:858-0 Backspaced over EOF OK.
btape: btape.c:863-0 Backspace record OK.
btape: btape.c:881-0
Block re-read correct. Test succeeded!
=== End Write, backup, and re-read test ===
=== Forward space files test ===
This test is essential to Bareos.
I'm going to write five files then test forward spacing
btape: btape.c:584-0 Rewound "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1926-0 Wrote one record of 524188 bytes.
btape: btape.c:1928-0 Wrote block to device.
btape: btape.c:614-0 Wrote 1 EOF to "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:584-0 Rewound "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1653-0 Now forward spacing 1 file.
We should be in file 1. I am at file 1. This is correct!
btape: btape.c:1665-0 Now forward spacing 2 files.
We should be in file 3. I am at file 3. This is correct!
btape: btape.c:584-0 Rewound "LTO3TapeStorage"
(/dev/tape/by-id/scsi-3500110a0013dbb32-nst)
btape: btape.c:1678-0 Now forward spacing 4 files.
We should be in file 4. I am at file 4. This is correct!
btape: btape.c:1696-0 Now forward spacing 1 more file.
We should be in file 5. I am at file 5. This is correct!
=== End Forward space files test ===
