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Description of problem: I ran into the following problem using SL6.2: If I mount a NFS4 dir like this #cat /etc/fstab [...] 10.10.70.9://raid_0 /9 nfs then this results in #cat /etc/mtab [...] 10.10.70.9://raid_0 /9 nfs rw,vers=4,addr=10.10.70.9,clientaddr=10.10.70.43 0 0 and this #cat /proc/mounts [...] 10.10.70.9:/raid_0/ /9 nfs4 rw,relatime,vers=4,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,por t=0,timeo=600,retrans=2,sec=sys,clientaddr=10.10.70.43,minorversion=0,local_ lock=none,addr=10.10.70.9 0 0 Due to the different handling of the // for NFS4, I cannot unmount the directory again. If I try then I get the error #umount /9 /9 was not found in /proc/mounts /9 was not found in /proc/mounts This problem doesn't occur with NFS3 shares because the corresponding /proc/mounts entry still contains //. My workaround is to remove // from the /etc/fstab and change /etc/mtab on all running systems by hand.
Since RHEL 6.3 External Beta has begun, and this bug remains unresolved, it has been rejected as it is not proposed as exception or blocker. Red Hat invites you to ask your support representative to propose this request, if appropriate and relevant, in the next release of Red Hat Enterprise Linux.