[ovirt-users] GlusterFS Centos 7 unable to mount NFS on gluster members

[Karli Sjöberg]

On Mon, 2015-01-12 at 20:03 -0700, Donny Davis wrote:
> Here is a quick rundown of the system, and the problem.
> 
>  
> 
> All hosts on centOS 7 fully up to date
> 
> GlusterFS is running on 6 servers, 3x2 distribute/replicate. 
> 
> CTDB is running on all hosts
> 
> I am unable to mount via nfs the exported volume on any of the gluster
> server members.
> 
>  
> 
> I am able to mount, read, write, umount from any server that is not a
> gluster member. 
> 
>  
> 
> Topology – all are hostnames that are resolvable 
> 
> Gluster Members
> 
> Node1
> 
> Node2
> 
> Node3
> 
> Node4
> 
> Node5
> 
> Node6
> 
>  
> 
> CTDB Virtual IP/Hostname
> 
> SharedNFS
> 
>  
> 
> Test Machine
> 
> Test1
> 
>  
> 
> Gluster Volumes
> 
> Engine
> 
> Data
> 
>  
> 
> I am trying to bring up hosted-engine using nfs using the gluster
> members
> 
> I run hosted-engine –deploy
> 
> Nfsv3
> 
>  
> 
> Host:/path sharednfs:/engine
> 
> Error while mounting specified storage path: mount.nfs: an incorrect
> mount option was specified
> 
>  
> 
> Ok well lets try that without using the hosted-engine script
> 
>  
> 
> Mount –v –t nfs –o vers=3 sharednfs:/engine /tmp
> 
> mount.nfs: timeout set for Mon Jan 12 22:00:08 2015
> 
> mount.nfs: trying text-based options
> 'vers=3,lock=Flase,addr=192.168.0.240
> 
> mount.nfs: prog 100003, trying vers=3, prot=6
> 
> mount.nfs: trying 192.168.0.240 prog 100003 vers 3 prot TCP port 2049
> 
> mount.nfs: prog 100005, trying vers=3, prot=17
> 
> mount.nfs: portmap query retrying: RPC: Program not registered
> 
> mount.nfs: prog 100005, trying vers=3, prot=6
> 
> mount.nfs: trying 192.168.0.240 prog 100005 vers 3 prot TCP port 38465
> 
> mount.nfs: mount(2): Invalid argument
> 
> mount.nfs: an incorrect mount option was specified
> 
>  
> 
>  
> 
> [root at node4 ~]# systemctl status rpcbind
> 
> rpcbind.service - RPC bind service
> 
>    Loaded: loaded (/usr/lib/systemd/system/rpcbind.service; enabled)
> 
>    Active: active (running) since Mon 2015-01-12 20:01:13 EST; 1h
> 57min ago
> 
>   Process: 1349 ExecStart=/sbin/rpcbind -w ${RPCBIND_ARGS}
> (code=exited, status=0/SUCCESS)
> 
> Main PID: 1353 (rpcbind)
> 
>    CGroup: /system.slice/rpcbind.service
> 
>            └─1353 /sbin/rpcbind -w
> 
>  
> 
> Jan 12 20:01:13 node4 systemd[1]: Starting RPC bind service...
> 
> Jan 12 20:01:13 node4 systemd[1]: Started RPC bind service.
> 
> Jan 12 21:19:22 node4 systemd[1]: Started RPC bind service.
> 
>  
> 
>  
> 
> Ummm… this makes no sense…. 
> 
> [root at test1 ~]# mount -v -o vers=3 -t nfs 192.168.0.240:/engine /tmp
> 
> mount.nfs: timeout set for Mon Jan 12 20:02:58 2015
> 
> mount.nfs: trying text-based options 'vers=3,addr=192.168.0.240
> 
> mount.nfs: prog 100003, trying vers=3, prot=6
> 
> mount.nfs: trying 192.168.0.240 prog 100003 vers 3 prot TCP port 2049
> 
> mount.nfs: prog 100005, trying vers=3, prot=17
> 
> mount.nfs: portmap query retrying: RPC: Program not registered
> 
> mount.nfs: prog 100005, trying vers=3, prot=6
> 
> mount.nfs: trying 192.168.0.240 prog 100005 vers 3 prot TCP port 38465
> 
> 192.168.0.240:/engine on /tmp type nfs (rw,vers=3)
> 
>  
> 
>  
> 
>  
> 
> On the test machine mounts the nfs share with no problems. I have
> confirmed this does not work on a single machine that is part of the
> gluster.  And any other machine is able to mount the exact same share,
> with the exact same parameters… on the exact same OS….
> 
>  
> 
> I am at a loss

iptables? Can you ping 'sharednfs'? SSH in on it? 

/K

> 
>  
> 
> Donny D
> 
>  
> 
> 
> plain text document attachment (ATT00001)
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Karli Sjöberg
Swedish University of Agricultural Sciences Box 7079 (Visiting Address
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S-750 07 Uppsala, Sweden
Phone:  +46-(0)18-67 15 66
karli.sjoberg at slu.se