Question about Sony DDS SDT-D11000/ME DAT Tape Drive

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Unlocked tapes recognized as locked

The unit sees unlocked tapes as locked. It also kicks tapes out without even reading them- a lot.

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This is probably due to a stuck microswitch in the tape drive unit as the locked tag presses a microswitch when loaded it is possibly these microswitches that are failing, as one of the switches detects if a tape is loaded and the other detects is a tape is locked, so problems with these switches would mean that it cannot detect if the tape is loaded properly.

Posted on Sep 30, 2008

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Problems with tape drives HP7980A HP-IB.reel stopping with message missload. reel moves and after obtaining BOT jump forward, but doesn't jump back to BOT and failed


Water is a great damaging factor for tape drives. I know you can disassemble the drive (almost) complete and clean everything you can see. Not only should all moving parts and rollers guiders be cleaned, but also the logic boards and the cables and connectors. You are not allowed to remove any of the rolling parts, because you wont be able to readjust them without calibration tools. Then it should be reassembled after cleaning. Also use a cleaning tape several times, to remove all residue of the cleaning fluid. There is special cleaning fluid for things with water damage, but the heads and guiding system can be cleaned with clean alcohol (no spiritus)

For what it is worth, I found an old manual of the drive. Because it does not have a normal URL I put the link in the text here:
ftp://ftp.hp.com/pub/information_storage/software/ltt/2-wd11.pdf

Don't use any of the storage tapes, you have your data on, because you could damage the tapes. In the end, perhaps you have to buy another tape drive, to restore your data so save the tapes, till you are 100% sure the drive won't eat the tapes.

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1 Answer

Failing to recognize tapes in Sun StorageTek C2 tape library


Are you seeing a cleaning light or is it just ejecting the tapes? If it is ejecting them then make sure to try a brand new tape of the right type (if it is the wrong tape type it will eject).
Also try a cleaning tape if the cleaning light is on.
If that does not work then you will need to send in the tape drive somewhere for repair as the head might be worn out or the drive needs a good service.
Try going to http://tape-drive-repair.com who sell and repair these units. The LTO2 and LTO3 drives are pretty inexpensive now and so this should be fairly cheap to have sorted.
Also this unit is the same as the Quantum superloader3 so that might help if you are still googling for a solution

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I have a Seagate Tapestor 20GB tape drive. I have upgraded to a XP driver but the software does not recognize the tape media to do a backup.


Try to use a cleaning cartridge. If the tape drive is still not recognizing the tape media after you clean it then your heads are bad

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1 Answer

Certance DAT 72 tape drive stopped communicating with PC


We have had the same problems with HP drives and Veritas. In our case it was not the drive per se. While I am assuming that based on the date of your post that you have moved to another solution, however, I will provide for you what we did.

First shut all down, disconnect the tape drive from the scsi cable, then restart. Go into computer management and turn all your backup exec services from auto to manual. Now go to devices and do a rescan. Once this is done and you see no tape drive whatsoever in the devices shut down the server. Reconnect the scsi cable to the drive and restart.

Go back into computer management, back to devices and rescan for hardware changes. Do you see it? If so, good! Sometimes a re-seating of connectors will do that. On the other hand, it could also be a tape driver from Veritas that just doesn't work (my case), take the original driver cd that came with the unit and start that loading up. Can you see it now? Can you use windows backup to access the tape drive? Now go into services and start the services individually. Go into backup exec and see if you can read your tape. Go back to services and reset all services back to auto. If you ever have to reinstall/upgrade backup exec, think twice about using their drivers.

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Pc Freezes when attempting to access HP SSL-1016 Ultrium 460 Tape


I have to admit this is a tough one. You seem to have tried most things i would try 1st.

I would suggest trying to download an eval coy of another backup program such as backup exec 12.5 from the symantec website and trying that.

This enables you to eliminate the backup software from your enquiries and if you also enable BUEX to use its own drivers (rather than the standard windows drivers) then that is another thing eliminated.

http://www.trilan-it.com/ are pretty good near the Berkshire area if you need a field call to help sort the issue but i would try BUEX 1st as that will help diagnose the problem even if you dont wish to continue with their software

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1 Answer

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please try to use cleaning cartridge. if tape drive is still in failure. perhaps the heads is bad.

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The STT320000A is IBM version? some IBM version STT320000A will rewind the tape when inserted. But It can recognize the media after rewind. If can't, try to used the cleaning cartridge or change one new media. regards

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1 Answer

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That thing required a SCSI terminator pack doesn't it.

If so, is it working properly.

I've had those things go out on me before leaving me to pull my hair out many times.

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1 Answer

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Yeah the Ultrium 4 tape drives only r/w to ULT3 and ULT4 tapes.

We put a Ultrium 2 tape in our 4 drive and it seems to be locked permanently.

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2 Answers

Quantum Error


The host backup application probably still has ownership of the library. You normally need to select to 'open door' or something similar to release ownership back to the library

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