Charles R. Dennett [dennett@xxxxxxxxxxxxxxxx] wrote: > I'm running FC5 and earlier this week one of the two hard drives in my > system died. It was the disk with FC5 on it. I bought a new disk, > installed it and reinstalled FC5. (Previously, I had done upgrade > installations starting with RH9->FC3->FC4->FC5 so this was really the > first time I had done a clean FC5 install.) I then did a "yum update". > > I logged in as my normal non-root user and su'ed to root. As I was > logged in as root and pulling various files from my backups to get my > web server, mail server and other tools running again I happened to > notice that some disk partitions were no longer mounted. The disk I > replaced contains partitions mounted on /, /boot, /var, /space1 and a 1 > GB swap partition. /boot and /space1 were missing. I remounted them. > Some time later I noticed the same thing. I remounted them. This kept > happening. Sometimes the /home partition from the second disk would be > missing. This seemed to be happening whenever root logged off or I > exited the kyum (a GUI for yum) application. I was using that to add > additional packages I needed. The / and /var partitions never > disappeared. It looked like any partition with no open files were being > unmounted. > > Here's what I did to try to figure out what was happening. I renamed > /bin/umount to /bin/umount-real. I then wrote a quick script for > /bin/umount that would append to a file the time and date and the output > from "ps -ef". Then it would call /bin/umount-real with whatever > arguments had been passed to it. I forced the problem to happen again > and then looked at the file my script had written. I caught a umount > from the ps output. Here are the entries tracking parent and child PIDs > back to the hald daemon: > > > 68 1850 1 0 Apr28 ? 00:00:03 hald > root 1851 1850 0 Apr28 ? 00:00:00 hald-runner > root 23576 1851 0 22:33 ? 00:00:00 /bin/bash > /usr/share/hal/scripts/hal-system-storage-unmount > root 23577 23576 0 22:33 ? 00:00:00 /bin/bash > /usr/share/hal/scripts/hal-system-storage-unmount > root 23578 23577 0 22:33 ? 00:00:00 /bin/sh /bin/umount /home > root 23580 23578 0 22:33 ? 00:00:00 ps -ef > > (The 68 as the UID for the first line is because the username is 9 > characters long - haldaemon. Apparently that's a known problem with ps > and ls when the username is >8 characters.) > > I tried googling for this and looking through the archives of this list > but did not find anything (yet). Does anyone know what is happening > here and how to fix it? These filesystems are mounted at boot time. > Why is hal trying to unmount them? They are not removable media. > > I'm sure there is more information needed that I have not supplied so > just ask and I'll respond. If this is a known problem with a known fix, > just point me in the right direction. If something I've said above is > not clear, let me know and I'll clarify. > > Thanks for any help. > > Charlie Dennett > Charlie, I cannot help you, except to confirm that my /boot partition has been found unmounted too. I also am running a clean install (though updated) of FC5 on i686. You did good research: I think you're onto something. Hope someone here can help you out. Thad
