[2249] in linux-scsi channel archive
Re: DDS3-tapes
daemon@ATHENA.MIT.EDU (Pete Popov)
Mon Aug 4 23:44:45 1997
To: Matthias Laessig <Matthias.Laessig@informatik.tu-chemnitz.de>
cc: linux-scsi@vger.rutgers.edu
In-reply-to: Your message of "Mon, 04 Aug 1997 01:33:22 +0200."
<Pine.LNX.3.95.970804013142.691A-100000@wolfsheim.csn.tu-chemnitz.de>
Date: Mon, 04 Aug 1997 17:35:55 -0700
From: Pete Popov <pete@jones.asd.sel.sony.com>
Matthias,
> I'm not a list member, but I want to know if there is any support for
> SCSI DDS3-tape drives (sony sdt-9000) for linux 2.0.xx? Which tools should
> I use for backups (only found DDS2 tools) ?
Yes, you can use the SDT-9000 with no modifications to your system (you do,
however, need to have st support compiled). However, the default
transfer size is quite small for modern tape devices, so you will not get
the maximum performance from your 9000 drive. What I did to get better
performance on my Linux system was to modify ST_BUFFER_BLOCKS define from
32 to 128. Look for the file "st_options.h"; it's in the "drivers/scsi"
directory of the kernel source tree. You then have to recompile your
kernel (if you have st configured as a module, you can recompile and install
the modules only).
As far as backup tools, any of the DDS2 tools will work on DDS3. I use
"tar", but if you are not familiar with tar and/or sequential devices, you may
not find the combination very user friendly.
Sincerely,
Pete
