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  #1  
Old February 18th, 2005, 10:15 AM
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fletchsod fletchsod is offline
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Alternative to tar -verify (-W) option??

Hi! I'm wondering if anyone know of an alternative way to do the verification via the tape because the tape drive doesn't work with the -verify (-W) option. I got the read error and the documentation said

Code:
Verification requires that the archive be on a back-space-able medium. This means pipes, some cartridge tape drives, and some other devices cannot be verified.


Thanks,
Scott

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Old February 18th, 2005, 04:47 PM
zlutovsky zlutovsky is offline
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Quote:
Originally Posted by fletchsod
Hi! I'm wondering if anyone know of an alternative way to do the verification via the tape because the tape drive doesn't work with the -verify (-W) option. I got the read error and the documentation said

Code:
Verification requires that the archive be on a back-space-able medium. This means pipes, some cartridge tape drives, and some other devices cannot be verified.


Thanks,
Scott


Try to read the new tar archive using the dd command:

dd if=/dev/your_tape bs=your_block_size of=/dev/null

You will see whether the tape is readable. Better then nothing...

Regards

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Old February 19th, 2005, 02:35 AM
guggach guggach is offline
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i dont know the '-verify (-W) option' of tar
the best way to check tar is tar
so
tar cf[v] device-or-filename what-you-want
and then
tar tfv device-or-filename
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