On Fri, Jul 07, 2006 at 01:57:48AM -0700, Joe Donner (sent by Nabble.com) wrote:
>
> I got these replies by email, which I think clear it up for me. Still not
> sure about whether I can start from scratch by erasing the existing
> hardware-compressed tapes, and then issuing mt -f /dev/nst0 defcom
stage it will only add more complexity to (for me) a rather complex
>> situation.
>>
>> If I could get away with erasing 3 tapes, using mt -f /dev/nst0
>> defcompression 0 (maybe add that into crontab for good measure), and it
>> all works reasonably well, then I'll
be add that into crontab for good measure), and it
> all works reasonably well, then I'll be happy for now.
>
> Will appreciate your thoughts and thanks a lot for being so helpful.
>
> Joe
>
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(and the expected one), then close the tape before reopening it again
> for writing. Thus, unless you can interpose a "turn off HW compression"
> between the close and reopen, the drive will be in HW compression mode
> again. The only way(s) to force the HW compression off at e
On Wed, Jul 05, 2006 at 02:42:14AM -0700, Joe Donner (sent by Nabble.com) wrote:
>
> Thanks to everyone for your replies.
>
> Ok, so what I really wanted to do was to use software compression, and not
> hardware compression.
>
> Cyrille's suggestion sounds like what I need, but again I'm not sur
compression state. The value
> -1
> disables the default compression. The compression state
> set by
> compression overrides the default until a new tape is
> inserted.
> Allowed only for the superuser.
>
> so one should use:
>
> mt -f /dev/nst0 defcompression 0
>
> Cyrille
>
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On 2006-07-05 09:18, Nicola Mauri wrote:
> if some of your DLEs contain lots of data that is random
> (compressed iso images, mp3 files, images, zip archives, ...)
> they will expand when taped
So the advantage of using SW compression instead of HW compression is
that we can selectively cho
> if some of your DLEs contain lots of data that
is random
> (compressed iso images, mp3 files, images, zip
archives, ...)
> they will expand when taped
So the advantage of using SW compression instead of
HW compression is that we can selectively choose on which DLEs compression
should be enabl
On Tue, Jul 04, 2006 at 04:17:46AM -0700, Joe Donner (sent by Nabble.com) wrote:
>
> Dear all,
>
> I just want to clarify something about compression:
>
> My understanding is that you can use either software or hardware
> compression, or can switch between the two if needed.
You can also use no
[EMAIL PROTECTED] a écrit sur 04/07/2006
13:17:46 :
>
> Dear all,
>
> I just want to clarify something about compression:
>
> My understanding is that you can use either software or hardware
> compression, or can switch between the two if needed.
>
> What is generally, in your experience, th
's best to do.
Thanks in advance.
Joe
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