Date: Tue, 31 Jan 2006 16:34:42 +0100 From: Frank Staals <frankstaals@gmx.net> To: questions@FreeBSD.org Subject: Weird behaviour 'umount' on NFS disk Message-ID: <43DF8392.7000204@gmx.net>
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Hey,
Usually I work at my laptop, if I'm at home I can mount some directories
from my server so I can also access those files and I don't have to ftp
them. For the mounting I use this script :
frank@Riza$ cat /usr/local/bin/nfsmount
#!/bin/sh
srv="192.168.2.1"
if [ "$1" = "-wlan" ]; then
srv="192.168.5.1"
fi
echo "Mounting home/net/var->/mnt/var , home->/mnt/server and
home/net/server->/mnt/series from $srv"
mount $srv:/home/net/var/ /mnt/var/
mount $srv:/home/ /mnt/server/
mount $srv:/home/net/series/ /mnt/series/
frank@Riza$
The IP adres of my server is 192.168.2.1 when using LAN and it is
accessable at 192.168.5.1 using WLAN. It is set up allowing mounts from
my laptop using LAN as well as WLAN. This works perfectly.
For unmounting the three NFS-mounts I use an other script which is just
three times an 'umount' :
#!/bin/sh
umount /mnt/server
umount /mnt/series
umount /mnt/var
df -m
echo "/mnt/server , /mnt/series and /mnt/var unmounted"
frank@Riza$
Up until a week ago this worked fine. I could mount and unmount the
directories without any problems. But then a weird error occured. When I
tried unmounting them. The umount command hangs when trying to unmount a
disk but when I cancel the umount ( with Ctrl + c ) df shows that the
disk is unmounted. It just won't give me a prompt again. The same thing
happens when I try to unmount them manually. I can unmount a disk, but
it just stops. To clear things up:
root@Riza# df
Filesystem 1K-blocks Used Avail Capacity
Mounted on
/dev/ad0s1a 4058062 3450302 283116 92% /
devfs 1 1 0 100% /dev
/dev/ad0s1d 33524236 23047782 7794516 75% /home
192.168.2.1:/home/net/var 75685352 57816262 11814262 83% /mnt/var
192.168.2.1:/home 52195402 29726280 18293490 62%
/mnt/server
192.168.2.1:/home/net/series 151368706 128022780 11236430 92%
/mnt/series
root@Riza# umount /mnt/server/
^C
root@Riza# df
Filesystem 1K-blocks Used Avail Capacity
Mounted on
/dev/ad0s1a 4058062 3450302 283116 92% /
devfs 1 1 0 100% /dev
/dev/ad0s1d 33524236 23047782 7794516 75% /home
192.168.2.1:/home/net/var 75685352 57816262 11814262 83% /mnt/var
192.168.2.1:/home/net/series 151368706 128022780 11236430 92%
/mnt/series
root@Riza#
This is quite annoying since I can't use my script to unmount the disks
anymore. I didnt' change anything to my mounts ( /etc/fstab ) and
unmounting a DVD doesn't give any problems. The only thing I can see has
changed is that at boot the system hangs at:
Mounting NFS file systems:
NFS access cache time=2
and I have to ctrl + c it to continue booting, this only happend before
when I hadn't any network connection. But mounting the nfs-disks using
my script did work.
Anyone an Idea what I can do to fix this ? Running FreeBSD 7.0-Current
by the way.
Thanks in advance
--
-Frank Staals
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