Cannot mount NFS

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Please try some of the steps mentioned at:

http://www.gluster.org/faq/index.php?sid=679&lang=en&action=show&cat=5

Thanks

Horacio Sanson wrote:
> I have a two server replicated volume that I can mount without problems using 
> the native client but I cannot make this work via NFS no matter what.
> 
> I read the mailing list and the FAQ, applied all fixes but still no luck.
> 
> 
> System:  
>   Two Gluster nodes with vanilla Ubuntu 10.10 LTS 64bit.
>   One client with vanilla Ubuntu 10.10 Desktop 32bit
>   One client with vanilla Ubuntu 10.10 LTS 64bit
> 
> Gluster:  Installed using glusterfs_3.1.0-1_amd64.deb
> 
> Command used to create volume:  
>    sudo gluster volume create www replica 2 transport tcp \
>              192.168.4.90:/opt/www  192.168.4.91:/opt/www
> 
> Below I present all my attempts to get NFS mounted on the two clients I have 
> so everything below multiply by 2:
> 
> 1. NFS Mount attempt 1: After creating the volume
> 
> $ sudo mount -v  -t nfs 192.168.4.91:/www /mnt
> mount.nfs: timeout set for Thu Nov  4 10:37:17 2010
> mount.nfs: trying text-based options 
> 'vers=4,addr=192.168.4.91,clientaddr=192.168.4.111'
> mount.nfs: mount(2): Connection refused
> 
> 2. NFS Mount attempt 2: Seems UDP is not supported so I added the tcp option:
> 
> $ sudo mount -v -o mountproto=tcp -t nfs 192.168.4.91:/www /mnt
> mount.nfs: timeout set for Thu Nov  4 10:38:36 2010
> mount.nfs: trying text-based options 'mountproto=tcp,addr=192.168.4.91'
> mount.nfs: prog 100003, trying vers=3, prot=6
> mount.nfs: portmap query retrying: RPC: Unable to receive
> 
> mount.nfs: prog 100003, trying vers=3, prot=17
> mount.nfs: portmap query failed: RPC: Unable to receive
>  - Connection refused
> mount.nfs: trying text-based options 'mountproto=tcp,addr=192.168.4.91'
> mount.nfs: prog 100003, trying vers=3, prot=6
> mount.nfs: portmap query retrying: RPC: Unable to receive
> 
> 3. NFS Mount attempt 3: Google tells me I need to start portmap
> 
> - on both Gluster servers and the clients I installed portmap
> $ sudo aptitude install portmap # This should be a dependency of Gluster deb
> $ sudo service portmap start
> 
> - on the client:
> $ sudo mount -v -o mountproto=tcp -t nfs 192.168.4.91:/www /mnt
> mount.nfs: timeout set for Thu Nov  4 10:42:07 2010
> mount.nfs: trying text-based options 'mountproto=tcp,addr=192.168.4.91'
> mount.nfs: prog 100003, trying vers=3, prot=6
> mount.nfs: portmap query retrying: RPC: Program not registered
> 
> mount.nfs: prog 100003, trying vers=3, prot=17
> mount.nfs: portmap query failed: RPC: Program not registered
> 
> mount.nfs: prog 100003, trying vers=2, prot=6
> mount.nfs: portmap query retrying: RPC: Program not registered
> 
> mount.nfs: prog 100003, trying vers=2, prot=17
> mount.nfs: portmap query failed: RPC: Program not registered
> 
> mount.nfs: prog 100003, trying vers=2, prot=6
> mount.nfs: portmap query retrying: RPC: Program not registered
> 
> mount.nfs: prog 100003, trying vers=2, prot=17
> mount.nfs: portmap query failed: RPC: Program not registered
> 
> mount.nfs: requested NFS version or transport protocol is not supported
> 
> 4. Me throwing keyboard throught the fourth floor window. 
> 
> 5. NFS Mount attempt 4: Retry 3 but without tcp option, maybe it is not needed 
> with portmap started:
> 
> $ sudo mount -v -t nfs 192.168.4.91:/www /mnt
> mount.nfs: timeout set for Thu Nov  4 10:45:37 2010
> mount.nfs: trying text-based options 
> 'vers=4,addr=192.168.4.91,clientaddr=192.168.4.111'
> mount.nfs: mount(2): Connection refused
> mount.nfs: trying text-based options 
> 'vers=4,addr=192.168.4.91,clientaddr=192.168.4.111'
> mount.nfs: mount(2): Connection refused
> mount.nfs: trying text-based options 
> 'vers=4,addr=192.168.4.91,clientaddr=192.168.4.111'
> mount.nfs: mount(2): Connection refused
> 
> 5. Re-read FAQ, there is something about DNS being use for authentication. 
> Sounds related to the Connection refused error I am getting:
> 
> skillup at store90:~$ sudo gluster set www rpc-auth.addr.namelookup off
> unrecognized word: set (position 0)
> skillup at store90:~$ sudo gluster set www rpc-auth.addr.namelookup off
> unrecognized word: set (position 0)
> skillup at store90:~$ sudo gluster set www rpc-auth.addr.namelookup off
> unrecognized word: set (position 0)
> skillup at store90:~$ sudo gluster set www namelookup off
> unrecognized word: set (position 0)
> skillup at store90:~$ sudo gluster set www add.namelookup off
> unrecognized word: set (position 0)
> skillup at store90:~$ sudo gluster set www rpc-auth.namelookup off
> unrecognized word: set (position 0)
> skillup at store90:~$ sudo gluster set www rpc-auth.addr.namelookup off
> unrecognized word: set (position 0)
> 
> 6. Set up hosts file so each Gluster node and client can resolve their 
> hostnames locally.
> 
> $ NFS Mount attempt 5,6,7,8:  Try all mount options from 1-5 above, including 
> 4 several times but with the hosts file correctly set up.
> 
> 7. Bang head against wall.... get huge cup of coffee.
> 
> 8. Re-read mailing list: It seems that gluster NFS may conflict with the kernel 
> NFS service:
> 
> $ sudo aptitude search nfs-kernel-server
>  p   nfs-kernel-server
> 
> it is not installed so this could not be the problem.....
> 
> 9: NFS Mount attempt 8,10,11,12: Last try
> 
> $ Try all mount options from 1-5 above, including 4 several times but using 
> the ip-address of the other gluster brick node.....  still no joy.
> 
> 10: Check iptables -L, hosts.deny and hosts.allow files. There are no 
> restrictions of any kind. All iptable chains are empty and with default ACCEPT 
> and hosts.deny and hosts.allow are empty.
> 
> 9. Write this email to Gluster-users mailing list and go home.
> 



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