Date: Thu, 29 Jun 1995 09:24:20 -0400 (EDT) From: Ken Robinson <robinson@nrnsinc.on.ca> To: altitude@umich.edu (Alex Tang) Cc: freebsd-questions@freebsd.org Subject: Re: Exabyte 8505 Message-ID: <199506291324.GAA24415@freefall.cdrom.com> In-Reply-To: <199506282221.SAA22560@petrified.cic.net> from "Alex Tang" at Jun 28, 95 06:21:11 pm
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Hello,
> i was wondering what i need to do to get an Exabyte 8505 to work on a
> FreeBSD system (i'm running 2.0R but will be running 2.0.5-SNAP soon).
>
> Currently, when i try to access the tape in any way, it says either device
> busy or :
>
> #mt status
> 7: unknown tape drive type
I haven't tried this on FreeBSD, but to add an 8205 on a SunOS 4.1.x
machine, we needed to add the following to the st_conf.c file.
/* Exabyte 8mm 2.3GB 8205 1/2 height cartridge w/compression */
{
"Exabyte EXB-8205 8mm Helical Scan", 16, "EXABYTE EXB-8205",
ST_TYPE_EXB8500, 1024,
(ST_VARIABLE | ST_BSF | ST_BSR | ST_LONG_ERASE),
5000, 5000,
{ 0x14, 0x0C, 0x90, 0x0C },
{ 0, 0, 0, 0 }
},
This identifies the drive from it's ID string. You will of course have
to make the appropriate modifications for the 8505 string.
Also note, to use it without compression, use /dev/rstX where X=0-7, for
compression, X=16-23, The value is based on the SCSI ID of the drive.
Eg, ID 5 with compression should be 21.
Good Luck.
--
Ken Robinson
DREnet Network Coordination Centre (NCC)
NRNS Incorporated
Phone: 613.599.7860 Fax: 613.599.7739
135 Michael Cowpland Dr., Suite 302
Kanata, Ontario K2M-2E9
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