Claude Buisson wrote: >Hi, > >Last month, I started switching all my systems (stable/9, stable/10, >stable/11 and current) to NFSv4, and I found that: > > on current (svn 312652) an entry is added to /var/db/mounttab by >mount_nfs(8), but not suppressed by umount(8). It can be suppressed by >rpc.umntall(8). > >The same anomaly appears on stable/11 after upgrading to svn 312950. > >It is relatively easy to trace this anomaly to r308871 on current and >its MFHs (r309517 for stable/11). > >Patching sbin/umount/umount.c to restore the RPC call for NFSv4 makes >umount(8) suppress the mounttab entry as before. > >I do not know what is the proper solution, as suppressing the >modification of mounttab by mount_nfs(8) for NFSv4 could be an (more >complicated) alternative ! When I do an NFSv4 mount from a recent FreeBSD system, it does not use the Mount protocol. I am not sure why your NFSv4 mounts are putting an entry in mounttab, since that is done by mountd.c on the server and the client isn't even contacting it?
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