C8010a Backup Tape Compatability

Posted on 2009-04-15
Last Modified: 2013-11-14
My backups are getting larger and I need to find tapes that will accomodate this growth. I purched some HP DAT 72 C8010A tapes but they keep popping out of my drives.

I have 2 tape drives that this is happening on one is a  Dell PV-100T-DDS4 Archive Python, the other is a HP C1537A .

Did I get the wrong tapes or do I need a new drive to accomodate my growth?
Question by:zyanj
    LVL 10

    Expert Comment

    by:Vince Glisson
    What backup software?
    How large are the current backups?
    What size are the tapes?
    Any errors associated with the "tape poping out"..

    Author Comment

    1. Backup Exec 12 For Windows Servers

    2. My current backups are around 23GB... but I can't even get the tapes to take the pop out after about 5 sec

    3. 72GB

    4. No errors

    Author Comment

    sorry for the bad grammer there...

    2. My current backups are around 23GB... but I can't even get the tapes to take; they immediately pop out after about 5 sec
    LVL 10

    Expert Comment

    by:Vince Glisson
    The DAT 72 C8010A is a DDS-5 tape.
    The Dell PV is a DDS-4 drive...
    I would check the other drive and see if it is DDS-4 or less
    LVL 12

    Accepted Solution

    You're attempting to use DDS5 tapes in DDS4 (Dell PV) and DDS3 (C1537A) drives.

    DDS is backwards compatible, but not forwards compatible - ie, you could use DDS3 and DDS4 tapes in a DDS5 drive, but not the other way around.

    You can try this, though... flip the DDS tape over, and you'll see that underneath (assuming you have the write-protect tab on the lower left, facing you) there are three little indentations in the tape casing in the lower right hand corner. These tell the drive what kind of tape it is.

    I don't have a DDS5 tape to hand, but as an experiment... you can either punch through the indentations or cover them with tape so that the drive will think the DDS5 tape is a DDS4 or even DDS3. If you then use this as a backup tape you may benefit from the increased length of the DDS5 tape, but please note this is a KLUDGE and there may be other issues - tape thickness and coercivity to name but two - that could make this a very bad idea, particularly if you value your data. But if you're desperate and profoundly short of money, it might serve as a stopgap. But make sure you verify the backups!

    Or you could just buy a DDS72 drive or even better, an LTO 2 :-)
    LVL 10

    Expert Comment

    by:Vince Glisson
    Best solution is to buy the right tapes for now. I would monitor the growth rate of the backups and begin searching for a larger tape drive say LTO 2 or 3 if you want to go big...

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