http://bugzilla.novell.com/show_bug.cgi?id=598681
http://bugzilla.novell.com/show_bug.cgi?id=598681#c2
Jan Engelhardt changed:
What |Removed |Added
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AssignedTo|nfbrown@novell.com |bnc-team-screening@forge.pr
| |ovo.novell.com
--- Comment #2 from Jan Engelhardt 2010-05-06 06:57:53 UTC ---
There seem to be two issues at hand. First being that some kernel thread seems
to hold a reference on /srv/nfs4/home (nfsd itself?), so it can't be umounted,
and causing it to be bound twice in the end.
# rcnfsserver start
Starting kernel based NFS server: idmapd mountd statd nfsd sm-notify done
# cat /etc/exports
/srv/nfs4 *(ro,no_subtree_check,fsid=0)
/srv/nfs4/home *(ro,no_subtree_check,bind=/home)
/home 127.0.0.2(ro,no_subtree_check)
# df -Tah
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/home
xfs 199G 175G 25G 88% /home
/home none 199G 175G 25G 88% /srv/nfs4/home
rpc_pipefs
rpc_pipefs 0 0 0 - /var/lib/nfs/rpc_pipefs
# rcnfsserver reload
Reload kernel based NFS serverumount: /srv/nfs4/home: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
done
# df -Tah
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/home
xfs 199G 175G 25G 88% /home
/home none 199G 175G 25G 88% /srv/nfs4/home
rpc_pipefs
rpc_pipefs 0 0 0 - /var/lib/nfs/rpc_pipefs
/home none 199G 175G 25G 88% /srv/nfs4/home
# ofl /srv/nfs4/home
#
(ofl is a 'better' lsof/fuser -m in that ofl does an exact substring match
only; from hxtools.)
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