Gentoo Archives: gentoo-amd64

From: "Kevin F. Quinn" <kevquinn@g.o>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] Re: Re: initio seen, mt -f doesn't work
Date: Thu, 08 Dec 2005 15:48:50
Message-Id: 20051208165206.7188eae6@c1358217.cas.dsae.finmeccanica.it
In Reply to: [gentoo-amd64] Re: Re: initio seen, mt -f doesn't work by Duncan <1i5t5.duncan@cox.net>
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4 On Thu, 08 Dec 2005 08:13:52 -0700
5 Duncan <1i5t5.duncan@×××.net> wrote:
6
7 > Gavin Seddon posted <1134053851.11094.7.camel@linuxstation>, excerpted
8 > below, on Thu, 08 Dec 2005 14:57:31 +0000:
9 >
10 > >>> But when I use mt I get
11 > >>> ' mt -f /dev/st0 eject
12 > >>> /dev/st0: No such device or address'
13 >
14 > > Yes /dev/st0 is there. How should I start the device, as far as I
15 > > remember I built all scsi modules into the kernel. Gavin.
16 >
17 > If you have a /dev/st0, the next question is why that error message
18 > says you don't. It's likely a permissions thing. I don't have a
19 > tape backup machine, so I don't know much about the command set or
20 > how it is run, but can you run it as root? Does the error change?
21
22 I think permissions are the most likely problem; that'd cause mt
23 to be unable to open the device - many utilities don't
24 differentiate between being unable to open something and that
25 something not existing.
26
27 Gavin; default Gentoo udev rules set the group of st devices to
28 'tape' (see /etc/udev/rules.d/50-udev.rules' so add your user id to the
29 tape group.
30
31 - --
32 Kevin F. Quinn
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