Re: ioctl for HW compression on Sony DDS?

Michael K. Johnson (johnsonm@redhat.com)
Mon, 11 Oct 1999 13:11:11 -0400

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"Louis J. LaBash" writes:
>On Mon, Oct 11, 1999 at 11:36:42AM -0400, nbecker@fred.net wrote:
>> Is there any way to turn on/off hardware compression on my Sony S10000
>> DDS4 tape drive (maybe via ioctl?)
>
>Are you using Kai's "mt-st", not GNU's "mt"; although both are called mt.
> mt -v
> mt-st v. 0.5b
>If you are
> mt compress 1
>should turn it On, 0 = Off

Some sony DDS drives (mine, for example) do not allow you to turn off
compression. FWIW...

michaelkjohnson

"Magazines all too frequently lead to books and should be regarded by the
prudent as the heavy petting of literature." -- Fran Lebowitz
Linux Application Development http://people.redhat.com/johnsonm/lad/

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