Re: Welcome in flooded Switzerland

[Frederick Gray <fegray@berkeley.edu>]

> I had tried already several tapes which were not write protected.
> We now ran the cleaning tape, without success. Could you perhaps
> try remotely, whether we are making trivial mistakes.

Hi, Peter,

No, the problem is with the drive, not with you.  I ran the HP
StorageWorks diagnostics and got the following output:

- Test 'Test Script' started on device 'HP Ultrium 2-SCSI' at address
  '0.1.0[0-/dev/sg0]'
  - Failed
  - Operations Log
    - Executing Rules Based Analysis (rules file is /tmp/LTT_TPa8loN.tst)
    - executing LTO acceptance test...
    - Getting drive information...
    - Getting Mech EEPROM data...
    - Getting other drive information...
    - Getting other drive information...
    - retrieving nonvolatile fault log data...
    - filtering log data...
    - checking fault log rules...
    - writing device analysis history log...
    - loading tape...
    - SCSI parity check...
    - writing ...
    - Test failed
  - Analysis Results
    - LTO Drive Assessment Test, version V30.08.2004
    - LTO Drive Assessment Test, module version V01.09.2004
    - Script is unable to verify if this device is using latest firmware -
      revision data was not loaded from web.
    - Rule 3
    - There are indications of problems reading the tape servo data.
    - However, the drive has not been cleaned since the last occurrence.
    - Please clean the drive with an unexpired cleaning cartridge.
    - Rule 3
    - There was a problem reading the tape servo code.
    - The media could be showing signs of wear.
    - It is advisable to discard this tape (Serial Number: 1140200015).
    - Please use an unexpired cleaning tape, then try using a new cartridge.
    - hp recommends the use of hp storage media.
    - Please run the LTO Drive Assessment Test to check the operation of your
      drive.
    - Device Analysis has checked the historical information and some problems
      were found.
    - There has been an error while writing to tape.
    - Please re-run the test with a different known good tape.
    - Write command failed at block 1041
    - Byte2 0x3 SenseCode 0xc SenseQual 0x0

As advised, I ran the cleaning tape, then loaded your other test tape and ran 
the diagnostics again:

- Test 'Test Script' started on device 'HP Ultrium 2-SCSI' at address
  '0.1.0[0-/dev/sg0]'
  - Failed
  - Operations Log
    - Executing Rules Based Analysis (rules file is /tmp/LTT_TsUgVS3.tst)
    - executing LTO acceptance test...
    - Getting drive information...
    - Getting Mech EEPROM data...
    - Getting other drive information...
    - Getting other drive information...
    - retrieving nonvolatile fault log data...
    - filtering log data...
    - checking fault log rules...
    - writing device analysis history log...
    - loading tape...
    - SCSI parity check...
    - writing ...
    - Test failed
  - Analysis Results
    - LTO Drive Assessment Test, version V30.08.2004
    - LTO Drive Assessment Test, module version V01.09.2004
    - Script is unable to verify if this device is using latest firmware -
      revision data was not loaded from web.
    - Device Analysis has checked the historical information and no problems
      were found.
    - There has been an error while writing to tape.
    - Please re-run the test with a different known good tape.
    - Write command failed at block 1042
    - Byte2 0x3 SenseCode 0xc SenseQual 0x0

I'll open a trouble ticket with Open Storage -- it's probably time for 
another drive swap.

Sorry for the confusion,

-- Fred

-- Fred Gray / Visiting Postdoctoral Researcher                 --
-- Department of Physics / University of California, Berkeley   --
-- fegray@berkeley.edu / phone 510-642-2438 / fax 510-642-9811  --