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ekki_123
n00b
Joined: 04 Jun 2006
Posts: 54
Location: Herxheim, Deutschland
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 Posted: Wed Oct 11, 2006 4:45 pm Post subject: Problem while installing on NSLU2 |
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Hi.
I went through the excellent Wiki howto for the NSLU2, so far all ok.
The installation of OpenSlug 3.1 went fine, I initialized a USB harddisk s in the Howto etc. etc.
Now I come to the point where I should reboot...
The Howto says to unmount the USB drive, but on umount /dev/sda1 I get a 'device busy' error and the disk remains mounted.
# mount says:
| Code: |
root@grappa:/# mount
rootfs on / type rootfs (rw)
/dev/root on / type jffs2 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
/dev/root on /dev/.static/dev type jffs2 (rw)
tmpfs on /dev type tmpfs (rw)
tmpfs on /var type tmpfs (rw)
tmpfs on /media/ram type tmpfs (rw)
usbfs on /proc/bus/usb type usbfs (rw)
devpts on /dev/pts type devpts (rw)
/dev/sda1 on /mnt/gentoo type ext2 (rw,nogrpid)
tmpfs on /mnt/gentoo/dev type tmpfs (rw)
root@grappa:/#
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I tried to umount /mnt/gentoo/dev, but that also results in a 'device busy'. Maybe it's interesting that I get that twice:
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root@grappa:/# umount /mnt/gentoo/dev
umount: /mnt/gentoo/dev: device is busy
umount: /mnt/gentoo/dev: device is busy
root@grappa:/#
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What gives? WIth the meagre shell of OpenSlug I can't 'lsof' or see anything which still accesses the drive. How can I find out, or how can I cleanly unmount the drive now?
Thanks for any hints.
Ekki/Germany |
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nixnut
Bodhisattva
Joined: 09 Apr 2004
Posts: 10974
Location: the dutch mountains
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| Posted: Wed Oct 11, 2006 4:52 pm Post subject: |
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Just reboot, the system will unmount the volumes.
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ekki_123
n00b
Joined: 04 Jun 2006
Posts: 54
Location: Herxheim, Deutschland
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| Posted: Wed Oct 11, 2006 8:22 pm Post subject: |
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| nixnut wrote: | | Just reboot, the system will unmount the volumes. |
Thanks for the reply, but that is no viable solution.
1.) I am using Linux also because I like to understand what is going on. Your proposal is what I call a "Windows" solution. Sorry.
2.) Not properly unmounting a drive with ext2 will most likely lead to a hang of the system because it want's to start a fsck on boot. With no terminal, no sshd running, I have no way to see what's going on, the system just does not boot. I have to unplug the disk, boot onto OpenSlug on flash, plug in the disk again, do fsck manually and try again...
So, if anybody could give me a hint what might be the reason for not being able to properly unmount the disk, I would be very grateful.
Rgds,
Ekki/Germany |
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derm1ke
n00b
Joined: 15 Jul 2006
Posts: 16
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| Posted: Thu Oct 12, 2006 5:48 pm Post subject: what else is mounted? |
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Hi there,
just a guess, but it could be possible, that there are some filesystems mounted beneath /dev/sda11.
try the following:
This shows everything mounted, like /dev/sda11 mounted on /mnt/gentoo.
Maybe there is still proc mounted on /mnt/gentoo/proc
OR
/dev/pts mounted on /mnt/gentoo/dev/pts
/dev mounted on /mnt/gentoo/dev
umount them.
otherwise, if you've done a chroot into your gentoo-env, it could be possible that you have emerged cron and or syslog and their processes are still accessing stuff in /var/log/.
remount all your necessary stuff and do a chroot.
Try stopping your cron and syslog ( if your using vixie-cron and syslog-ng ) with
| Code: | | /etc/init.d/vixie-cron stop;/etc/init.d/syslog-ng stop |
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