I've encountered a strange issue with the NFS mount today.
1. On the LINUX Client
# mount /nfs-server
mount: xxx.xxx.xxx.xxx:/nfs-server failed,
reason given by server: Permission denied
We have checked the permission on the nfs-server:/etc/exports and everything is correct. We did a:
# showmount -e nfs-server
Everything was correct too and seem correct. If we do a "rpcinfo -p", it also show correct information
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100024 1 udp 615 status
100024 1 tcp 618 status
100021 1 udp 32771 nlockmgr
100021 3 udp 32771 nlockmgr
100021 4 udp 32771 nlockmgr
100021 1 tcp 37569 nlockmgr
100021 3 tcp 37569 nlockmgr
100021 4 tcp 37569 nlockmgr
On the Server side,
We check the /etc/exports and everything is correct. Next we restarted the NFS and the Portmap Services. But the Clients still show the "Permission Denied" Error
We noticed that the /proc/mounts/ did not have the NFS Information. To resolve this issues, we have to manually add NFS information inside the /proc/mounts
nfs-server:/home /home nfs rw,vers=3,rsize=8192,wsize=8192,hard,intr,proto=tcp,timeo=14,retrans=2,sec=sys,addr=n00 0 0
We did the NFS Mount and everything was working!
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