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Subject: mounted NFS blocks "forever"
From: Unruh
Date: 11/30/2007 5:22:54 PM
ENRIQUE <enrique.arizonbenito@gmail.com> writes:
>Following next steps my mountd NFS partition blocks "forever":
>1.- I start the server NFS process.
>2.- I mount the NFS partition like:
> mount -t nfs 192.168.2.1:/export/home /home
>3.- I stop and start the NFS server, simulating a server/network
>temporal shutdown.
>4.- The mounted partition doesn't work anymore and simple comands
>like:
> # ls /home
>blocks until I "kill-9" them and there is no way to unmount the device
>since trying to unmount it returns "device bussy".
>Using ps I see for example that ls is stuck in the kernel call to
>nfs_wait_schedule:
>[root@/]# ps x -o cmd,wchan | grep ls
>ls --color=tty /home nfs_wait_schedule
>It's there anyway to avoid such behaviour. I would like, in the worst
>case when the NFS servers goes down, to be able to unmount and
>remount again.
Try just mounting again, without trying to unmount.
>Thanks in advance for any help,hint or link!
>P.S.: I'm using kernel 2.6.20-1.2944.fc6
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