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LTO4 and backup exec 12.5

hi , i have backup exec 12.5 and hp 1/8 G2 autoloader  robotic libary
i replaced the LTO3 media with a LTO4 media for more capcity
when i run inventory i get an error " 0x1 - Incorrect function "
the media is with LTO3 barcode lable
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ywainberg
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ywainberg
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woolnoirCommented:
As far as i know LTO4 tapes cannot be used reliably in a LTO3 drive. You haven't said above which capacity of drive you have in your autoloader. LTO4 drives have read compatibility down two levels, so an LTO4 drive can read LTO3 and LTO2 but AFAIk the same isnt true in reverse even for read.
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woolnoirCommented:
http://en.wikipedia.org/wiki/Linear_Tape-Open

Useful link for compatibility etc.
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woolnoirCommented:
If you have a LTO4 drive, then we can look into it more ? is this the case or ?
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woolnoirCommented:
If you do have a LTO4 drive , you could also try this
http://seer.entsupport.symantec.com/docs/352358.htm

this will disable the last 2 digits of the barcode - removing the LTO version definition from the barcode, this could ofc effect any rules and or existing backups so use with care.
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ywainbergAuthor Commented:
backup exec does see the media tape in the robotic library, the all 7 data cartridge (8 with CLN), but i cant do an inventory on it ,until now i used LTO3 media and it worked fine but now i replaced it with LTO4 and i cant make it work the  "inventory"  operation returns error on the drive of Incorrect function
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woolnoirCommented:
Is it an lto4 drive?
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ywainbergAuthor Commented:
HI
got an answare from HP ,i need to replace the drive to an LTO4 support drive

i will award you the point anyway for all the help
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NetherlanderCommented:
I have the same issue. The drive is LTO4. The LTO3 media I am having this issue. Will not inventory a tape. Incorrect function message. Using the same thing backup exec 12.5
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