Date: Fri, 22 Nov 1996 14:07:46 +0100 From: Lars Koeller <lkoeller@odie.physik2.uni-rostock.de> To: James Hu <jxh@cs.wustl.edu> Cc: scott@dcs.qmw.ac.uk, amd-list@plethora.cs.wustl.edu, questions@freebsd.org Subject: Re: AMD and CD-ROM Message-ID: <199611221307.OAA12436@odie.physik2.uni-rostock.de> In-Reply-To: lkoeller's message of Fri, 22 Nov 1996 13:48:58 %2B0100. <199611221248.NAA12148@odie.physik2.uni-rostock.de>
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In message <199611221248.NAA12148@odie.physik2.uni-rostock.de>,
Lars Koeller writes:
What I've forgotten: Who knows how to export such a filesystem /host/odie_cd0
with mountd to a network? /cdrom is useless, cause it could not be mounted,
and a cd/ls to /cdrom does nothing! /host/odie_cd0 is not exportable cause you
couldn't export links!
Looks like a dilemma with no way out!
Lars
>
>Hi all amd users!
>
>Thanks to you all, who fiddle out this feature, but I didn't understand, why
>it's not possibel in the 'normal' way, why not mount it consistently to
>/host/odie/cdrom? Now it's located /cdrom for me, a nfs mount from another
>machine appears as /host/troll/cdrom. Shouldn't this be changed in amd?
>
>Here my config files:
>
>amd.map:
>- --------
>/defaults opts:=ro,soft,intr,grpid,nosuid,timeo=50
>troll_cd0 type:=nfs;rhost:=troll;rfs:=/cdrom;type:=nfs
>odie_fd0 type:=ufs;opts:=rw;dev:=/dev/fd0
>odie_fd1 type:=ufs;opts:=rw;dev:=/dev/fd1
>odie_cd0 host==odie;type:=program;\
> fs:=/cdrom;\
> mount:="/sbin/mount mount /cdrom";\
> unmount:="/sbin/umount umount /cdrom"
>
>start of amd:
>- -------------
>amd -a /amd -c 1800 -k i386 -d physik2.uni-rostock.de -l syslog /host
>/etc/amd.map
>
>fstab:
>- ------
>/dev/cd0a /cdrom cd9660 ro,noauto 0 0
>
>
>I use FreeBSD-2.1.5
>
>
>Thanks and regards
>
>Lars
>
>James Hu writes:
>
>>Scott Mitchell <scott@valis.dcs.qmw.ac.uk> writes:
>>> To the folks asking about automounting a CD-ROM last week,
>>> I just got my CD drive working with amd today, so maybe this will help. Th
>e
>>> map file, in /etc/amd.map, looks like this:
>>
>>> /defaults type:=host;fs:=${autodir}/${rhost};rhost:=${key}
>>> * opts:=rw,grpid
>>
>>> valis type:=auto;\
>>> fs:=${map};\
>>> pref:=${key}/
>>
>>> valis/cdrom type:=program;\
>>> fs:=/mnt/cdrom;\
>>> mount:="/sbin/mount mount /mnt/cdrom";\
>>> unmount:="/sbin/umount umount /mnt/cdrom"
>>
>>
>>Scott,
>>
>>This is great. I actually got something similar going, and I too
>>found the process to be somewhat painfull.
>>
>>Does the CDROM eventually unmount for you? What happens if you are
>>still occupying the CD filesystem when ``amd'' tries to unmount? Has
>>anyone else come across this situation? The reason this comes up is
>>that I attempted to make the CDROM to timeout every 15 seconds,
>>thinking that ``amd'' would do something graceful. Instead, after 15
>>seconds, I was still in the filesystem, and ``amd'' complained. The
>>thing is, I want to be able to eject the CDROM immediately after I cd
>>out of it (or, 15 seconds after I cd out of it, in this case), but I
>>don't want a bunch of error messages logged.
>>
>>So, I will probably write my own ``eject'' script which will test to
>>see if the CDROM is still mounted. If it is, it will attempt to
>>gracefully unmount it. If this fails, it will attempt to ungracefully
>>unmount it. If this fails, it will give up. If any of the unmounting
>>succeeds, it will do ``cdcontrol eject''. Does this sound like a good
>>plan?
>>
>>The documentation for ``amd'' *is* rather sparse, and I am hoping to
>>be able to supplement it with real working examples and place them on
>>a web page, somewhere.
>
>- --
>- ------------------------------------------------------------------------
>Internet: | Lars Koeller
> Lars_Koeller@odie.physik2.Uni-Rostock.DE | Department of Physics
> ftp://odie.physik2.uni-rostock.de | University of Rostock
>PGP-key: | Germany
> http://www.nic.surfnet.nl/pgp/pks-toplev.html |
>
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