Messages in this thread | | | Date | Thu, 19 Aug 2004 14:51:10 -0700 | From | "Martin J. Bligh" <> | Subject | Re: umount -f /nfsmount hangs |
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--On Thursday, August 19, 2004 17:26:31 -0400 Trond Myklebust <trond.myklebust@fys.uio.no> wrote:
> På to , 19/08/2004 klokka 16:55, skreiv Martin J. Bligh: >> NFS server has gone away, was mounted soft, intr: >> >> bvrgsa.ibm.com:/gsa/bvrgsa on /bvrgsa type nfs (rw,soft,intr,nfsvers=2,tcp,rsize=8192,wsize=8192,timeo=30,addr=9.47.56.70) >> >> but umount -f just hangs ... surely that's not the intended behaviour? >> from Alt+SysRq+t: > > Works fine for me with 2.6.8.1 and the Fedora Core2 2.6.7-based kernel. > If you physically turn off the server as opposed to just killing the > nfsd processes, then it takes a bit longer than for the networking layer > to time out the sock_release etc (isn't that under the control of the > tcp_fin_timeout sysctl?), but AFAICS it does eventually get there. > > Are there any other details you're omitting?
Yeah, it did time out eventually and yes, the network got disconnected rather than killing nfsd. I guess I was expecting -f to mean "Do it. Now" ... However, the damned thing is still mounted as listed by "mount".
Viro pointed me to -l as well ... -f -l seems to work OK.
M.
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