trying to unload nfsd
Subsystems (2)
I have umounted all of my nfs filesystems and stopped the nfs services. I still can't unload the nfsd module:
$ sudo /sbin/lsmod | grep nfsd nfsd 277152 4 exportfs 7680 1 nfsd lockd 77616 1 nfsd nfs_acl 5120 1 nfsd sunrpc 174840 7 nfsd,lockd,nfs_acl
The only thing I can see that could be pinning it still is:
$ grep nfs /proc/mounts sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
But I can't seem to umount that:
$ sudo umount /var/lib/nfs/rpc_pipefs umount: /var/lib/nfs/rpc_pipefs: device is busy umount: /var/lib/nfs/rpc_pipefs: device is busy
What could be pinning that fs/mount-point?
b.
Signature · 3 lines
My other computer is your Microsoft Windows server. Brian J. Murrell
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Quoted 15 lines · Brian J. Murrell
I have umounted all of my nfs filesystems and stopped the nfs services. I still can't unload the nfsd module:
$ sudo /sbin/lsmod | grep nfsd nfsd 277152 4 exportfs 7680 1 nfsd lockd 77616 1 nfsd nfs_acl 5120 1 nfsd sunrpc 174840 7 nfsd,lockd,nfs_aclThe only thing I can see that could be pinning it still is:
$ grep nfs /proc/mounts sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
Quoted 7 lines
But I can't seem to umount that:
$ sudo umount /var/lib/nfs/rpc_pipefs umount: /var/lib/nfs/rpc_pipefs: device is busy umount: /var/lib/nfs/rpc_pipefs: device is busyWhat could be pinning that
fs/mount-point?
Nothing in the sunrpc module depends on anything in nfsd as you can see from the above lsmod output.
I'd rather expect that you've forgotten to kill off rpc.mountd, rpc.idmapd and/or rpc.svcgssd.
Trond
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Quoted 2 lines · Trond Myklebust
I'd rather expect that you've forgotten to kill off rpc.mountd, rpc.idmapd and/or rpc.svcgssd.
Right... here is what I do to unload both nfsd and sunrpc service nfs stop && service rpcidmapd stop && umount /proc/fs/nfsd && rmmod nfsd
rmmod lockd && rmmod nfs_acl
umount /var/lib/nfs/rpc_pipefs && rmmod sunrpc
(Note: this assumes there are entires in /etc/fstab for both /proc/fs/nfsd and var/lib/nfs/rpc_pipefs. It also assumes the Secure NFS gssd daeamon are not running).
steved.
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