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Question about kudzu in /etc/fstab entries in Red Hat Linux.

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Jean-David Beyer

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Feb 7, 2003, 11:16:58 AM2/7/03
to
I recently added an external CD-ROM burner on my machine. It is on a
SCSI controller all by itself (though I might wish to add other devices
on the same SCSI controller sometime).

So my machine has, in /dev entries like this:

lrwxrwxrwx 1 root root 8 Jan 12 05:46 /dev/cdrom -> /dev/hda
lrwxrwxrwx 1 root root 9 Feb 6 23:48 /dev/cdrom1 -> /dev/scd0

where cdrom1 is the CD-ROM burner (that can also read CDs like the other).

Now in my /etc/fstab are entries like this:

/dev/cdrom /mnt/cdrom iso9660 noauto,owner,kudzu,ro 0 0
/dev/cdrom1 /mnt/cdrom1 auto noauto,owner,kudzu 0 0
/dev/fd0 /mnt/floppy auto noauto,owner,kudzu 0 0

Recently my machine crashed (when I was trying to remove Nautilus from a
user's environment), and I rebooted. After that, /dev/cdrom1 was missing
from both /dev and from /etc/fstab.

I suspect that this was related to the fact that the CD-ROM burner was
powered off at the time and when booting, it was not detected.

This may also be related to the kudzu option on the /dev/cdrom1 line in
/etc/fstab. Should I just take it out? I cannot find where kudzu is
defined as an option in either fstab or mount. Anyone know where this is
documented?

--
.~. Jean-David Beyer Registered Linux User 85642.
/V\ Registered Machine 73926.
/( )\ Shrewsbury, New Jersey http://counter.li.org
^^-^^ 11:05am up 11:12, 2 users, load average: 2.23, 2.23, 2.19

John Reiser

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Feb 7, 2003, 1:59:19 PM2/7/03
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> I cannot find where kudzu is
> defined as an option in either fstab or mount.

C'mon: Search for "kudzu fstab" at http://www.google.com/linux ,
then look on the first page of results
for the entry from http://www.redhat.com/docs/manuals .
Or search from the RedHat site to start with (duh!)

Jean-David Beyer

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Feb 7, 2003, 3:18:05 PM2/7/03
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Sure, but should not apropos or something like that work on my own
machine? I even searched the CD-ROM labelled "Documentation" that comes
with my distribution. They have man pages for fstab and mount, but they
do not agree with what is on the machine.

--
.~. Jean-David Beyer Registered Linux User 85642.
/V\ Registered Machine 73926.
/( )\ Shrewsbury, New Jersey http://counter.li.org

^^-^^ 3:15pm up 15:22, 2 users, load average: 2.73, 2.60, 2.30

Michael Heiming

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Feb 7, 2003, 3:52:41 PM2/7/03
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Jean-David Beyer <jdb...@exit109.com> wrote:

> Sure, but should not apropos or something like that work on my own
> machine? I even searched the CD-ROM labelled "Documentation" that comes
> with my distribution. They have man pages for fstab and mount, but they
> do not agree with what is on the machine.

Hi Jean-David!

Remove the kudzu option from any fstab entry, 'chkconfig kudzu off'
and 'service kudzu stop'. It's a really annoying feature, somehow
reminds me of M$ and one of the first things to disable on RH.

Distro get more and more "auto-magic" features, intended for newbies.
Among the worst I have seen, RH not setting up LC_COLLATE to a
reasonable value (POSIX) per default. It's a pity, one needs to
write a large ks.cfg, to get a decent installation out of it.

Kudzu is just not intended for people used to *nix.

Michael Heiming
--
Remove +SIGNS and www. if you expect an answer, sorry for
inconvenience, but I get tons of SPAM

Bill Marcum

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Feb 7, 2003, 8:54:42 PM2/7/03
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On Fri, 07 Feb 2003 11:16:58 -0500, Jean-David Beyer
<jdb...@exit109.com> wrote:

> Recently my machine crashed (when I was trying to remove Nautilus from a
> user's environment), and I rebooted. After that, /dev/cdrom1 was missing
> from both /dev and from /etc/fstab.
>
> I suspect that this was related to the fact that the CD-ROM burner was
> powered off at the time and when booting, it was not detected.
>

So did you try rebooting with the cd burner powered on?

Jean-David Beyer

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Feb 7, 2003, 9:15:46 PM2/7/03
to
Michael Heiming wrote:
> Jean-David Beyer <jdb...@exit109.com> wrote:
>
>
>> Sure, but should not apropos or something like that work on my own
>> machine? I even searched the CD-ROM labelled "Documentation" that
>> comes with my distribution. They have man pages for fstab and
>> mount, but they do not agree with what is on the machine.
>
>
> Hi Jean-David!

Hi! I hope all is going well for you.


>
> Remove the kudzu option from any fstab entry,

Done.

> 'chkconfig kudzu off'

Done.

> and 'service kudzu stop'.

What is that? (kudzu is not running as a daemon.)

> It's a really annoying feature, somehow reminds me of M$ and one of
> the first things to disable on RH.

I thought the goddamned automounter for CD-ROM and Floppy was the first
thing to turn off: makes an entry every second or so into dmesg area, so
you cannot find much, and keeps the disk busy all the time.


>
> Distro get more and more "auto-magic" features, intended for newbies.
> Among the worst I have seen, RH not setting up LC_COLLATE to a
> reasonable value (POSIX) per default. It's a pity, one needs to write
> a large ks.cfg, to get a decent installation out of it.
>
> Kudzu is just not intended for people used to *nix.

I wish they would stop that stuff. I have been running UNIX systems
since about 1972, though I do not consider myself an expert. Back when
UNIX kernel was 6 assembler files and to build the kernel you did

cat *.s | as

in some directory and the a.out was the new kernel.

--
.~. Jean-David Beyer Registered Linux User 85642.
/V\ Registered Machine 73926.
/( )\ Shrewsbury, New Jersey http://counter.li.org

^^-^^ 9:05pm up 21:12, 2 users, load average: 2.34, 2.35, 2.29

Jean-David Beyer

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Feb 7, 2003, 9:23:03 PM2/7/03
to

No. I am pretty sure that would have worked. But if the machine reboots
when I am not here (during power failure and recovery), the cd burner
will be off. I leave it off when I am not using it to reduce the load on
my UPS (about 1/2 ampere according to the nameplate), and because the
MTBF is quoted based on power-on-hours, and I do not want to waste them
(though it is 50,000 hours and perhaps CD-ROMs will be obsolete before 6
years have expired).

I do not care to reboot all the time; I am not running Windows on this
machine. It would make sense to see if the changes (previously posted)
already made (removing the kudzu option from the entries in /etc/fstab)
solved the problem. But I will see when Red Hat come out with the next
release of the kernel, which should be in less than a month, if history
is any guide.

--
.~. Jean-David Beyer Registered Linux User 85642.
/V\ Registered Machine 73926.
/( )\ Shrewsbury, New Jersey http://counter.li.org

^^-^^ 9:15pm up 21:22, 2 users, load average: 2.18, 2.25, 2.25

Michael Heiming

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Feb 8, 2003, 2:54:44 AM2/8/03
to
Jean-David Beyer <jdb...@exit109.com> wrote:
> Michael Heiming wrote:


> > and 'service kudzu stop'.

> What is that? (kudzu is not running as a daemon.)

Sure, but there is /etc/init.d/kudzu, "stop" just does
"rm -f /var/lock/subsys/kudzu", but you have stopped it cleanly now.

> I thought the goddamned automounter for CD-ROM and Floppy was the first
> thing to turn off: makes an entry every second or so into dmesg area, so
> you cannot find much, and keeps the disk busy all the time.

Right, forgot, I'm disabling all those annoying things while kickstart
installing.

> > Kudzu is just not intended for people used to *nix.

> I wish they would stop that stuff. I have been running UNIX systems
> since about 1972, though I do not consider myself an expert. Back when
> UNIX kernel was 6 assembler files and to build the kernel you did

> cat *.s | as

Sounds cool.;)

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