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tar backup and restore from different LTO drive generations

Last Modified: 2013-11-14
We have created a tape backup using the linux tar cvf command on to an LTO 1 tape using an LTO 2 drive. When trying to read the tape on an LTO 1 drive on a different server we are getting an error returned from the tar xvf command :

tar: /dev/st0 : Cannot read : Device or resource busy
tar: at beginning of tape, quitting now

Our question is can you read an LTO 1 tape on an LTO 1 drive that has been written to by an LTO 2 drive ?
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Duncan RoeSoftware Developer

If that were DDS, I would say not - at least DDS-3 drives write DDS tapes in a format that is different from what a DDS drive would write.
But I do not know about LTO. I would suggest you write an LTO-1 tape on your LTO-1 drive. If you can read it back, and if the LTO-2 drive can read back the LTO-1 tape that it wrote which the LTO-1 drive can't read, then I guess you've proved that the answer to your original Q is No
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