Date: Fri, 13 Aug 1999 08:00:11 -0500 (CDT) From: "Paul T. Root" <proot@iaces.com> To: questions@freebsd.org (Questions FreeBSD) Subject: mount -o ro,update question Message-ID: <199908131300.IAA04773@iaces.com>
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Hi all,
I've written a program to create a backup disk for
our servers. At the end of the script, it remounts everything
to ro status. Here's the segment:
#!/bin/sh
export PATH
PATH="/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin:/usr/local/sbin"
REMOUNT="aces usr/local usr/X11R6 usr"
ROPT="-o ro,update"
.
.
.
echo "Remounting backup filesystems Read-Only"
for i in `echo $REMOUNT`
do
echo "mount $ROPT $HFS/$i"
mount $ROPT $HFS/$i
done
echo mount $ROPT $HFS
exit 0
Somewhere around the remount of usr/X11R6 or usr it panics the
box and reboots.
However if I just do it on the command line, it works fine.
Sounds like a timing issue. Would putting some wait states in
between remounts avert this. Sorry I don't have the actual
panic. Something about a lock. (We're not allowed to leave a
pad of paper in the server room, and I like a fool follow the
rules).
The other thing, I ran into, was the if a FS is marked as ro
in the fstab, you can't "mount -o rw,update /fs". I guess that's
good when I think of it. Just inconvient for what I'm doing.
Paul.
--
"Always nice to see that technical accuracy doesn't stand in the way
of good television." --Derek Hart
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