On Monday 28 July 2003 11:07, Russell Adams wrote:
>I can't seem to get tapetype to agree to the rated capacity of my
>Powervault 120T (DLT 7000 35G native).
>
>The maximum uncompresses that tapetype registers is about 27G.
>
>Running 'mt status' returns a density code for 35G.
>
>Any ideas why I can't detect the full tape?
>
>Here's the output from tapetype.
Here is the clue that counts, your install is old, its been named
amtapetype for about a year now and now has facilities to detect the
drives compression status. And I'd suspect, from the results you are
getting that the drives own hardware compressor is on, and that the
data from /dev/urandom is growing quite a bit in the hardware
compressor.
>Writing 128 Mbyte compresseable data: 28 sec
>Writing 128 Mbyte uncompresseable data: 28 sec
>Estimated time to write 2 * 1024 Mbyte: 448 sec = 0 h 7 min
>wrote 860664 32Kb blocks in 2632 files in 24789 seconds (short
> write) wrote 855261 32Kb blocks in 5247 files in 33707 seconds
> (short write) define tapetype unknown-tapetype {
> comment "just produced by tapetype prog (hardware compression
>off)"
> length 27065 mbytes
> filemark 66 kbytes
> speed 961 kps
>}
>
>Russell
--
Cheers, Gene
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Copyright 2003 by Maurice Eugene Heskett, all rights reserved.
