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Magtape media estimations, disk block size?

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The Question is:

I am trying to estimate how many tapes I will need when running a backup -
Is there a quick formula to convert VMS blocks to megabytes?  Thanks.

The Answer is :

  Please start with the following two OpenVMS FAQ sections:
    MISC13. How do I check for free space on a (BACKUP) tape?
    PROG14.  How many bytes are in a disk block?

answer written or last revised on ( 15-DEC-1999 )

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