SUMMARY: Get tape space % or amount of data on.

From: Francois Bousquet <>
Date: Fri Dec 16 2005 - 13:48:34 EST
It doesn't seems be possible to know a tape free space because it is a
dead media support.

If writting data with ufsdump, it is possible to parse the output and
calculate the number MB written :

DUMP: 15475710 blocks (7556.50MB) on 1 volume at 5371 KB/sec

However with compression on tape you will not be able to know exactly
how much data you can fit. For exemple, my ufsdump shows me that I've
dump 48 GB to a DLT40/80 tape.  I assume compression is allowing that.

On 12/14/05, Francois Bousquet <> wrote:
> I am writing data to a tape using ufsdump.  Is there a way to know the
> space percentage or amount of data written on a tape in order to
> evaluate how tape is full.
> Thanks
sunmanagers mailing list
Received on Fri Dec 16 13:48:57 2005

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