Date: Mon, 25 Mar 1996 16:51:53 -0800 (PST) From: "JULIAN Elischer" <julian@ref.tfs.com> To: joerg_wunsch@uriah.heep.sax.de Cc: freebsd-scsi@freebsd.org, robsch@robkaos.ruhr.de Subject: Re: turning on/off DAT compression Message-ID: <199603260051.QAA23973@ref.tfs.com> In-Reply-To: <199603252335.AAA11336@uriah.heep.sax.de> from "J Wunsch" at Mar 26, 96 00:35:25 am
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> > As Robert Schien wrote: > > > > Has anyone a script or short program to turn on/off the compression > > mode of a DAT drive? It seems that the 'mt' command doesn't support > > such a command yet. > > I've once posted a /usr/share/misc/scsi_modes definition for the mode > page 0x10 (?) in this mailing list. Using this, you should be able to > edit the compression field in the mode page. Alas, none of the drives > avaible to me did really let me edit this field, so there are > certainly other problems around. > > (I've trashed my archive of freebsd-scsi, so i cannot repost this > message now. However, you should be able to dig it up in the mailing > list archive on freefall, or via the WWW server.) > > Once we know that it works, adding it to the ioctl(MTIOCOP) and to > mt(1) is 5 minutes of work. The IOCTL is already there! and so is the code in the kernel! > > -- > cheers, J"org > > joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE > Never trust an operating system you don't have sources for. ;-) >
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