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BlueFusion
Guru
Joined: 08 Mar 2006
Posts: 371
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 Posted: Thu Oct 08, 2015 6:37 pm Post subject: NFS help |
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I can't seem to get an NFS to work between two computers.
NFS server: 10.2.1.12 (phoenix)
NFS client: 10.2.1.10 (area51)
Server side...
| Quote: | phoenix ~ # cat /etc/hosts.allow /etc/exports;echo;exportfs -rv
portmap:10.2.1.0/255.255.255.0
lockd:10.2.1.0/255.255.255.0
rquotad:10.2.1.0/255.255.255.0
mountd:10.2.1.0/255.255.255.0
statd:10.2.1.0/255.255.255.0
# /etc/exports: NFS file systems being exported. See exports(5).
/backup 10.2.1.0/24(rw,async,no_subtree_check,no_root_squash)
exporting 10.2.1.0/24:/backup |
On the client side....
fstab entry:
| Quote: | | phoenix:/backup /mnt/backup nfs rw,hard,intr,rsize=2048,wsize=2048,nfsvers=3 |
| Quote: | area51 ~ # showmount -e phoenix
Export list for phoenix:
/backup 10.2.1.0/24
area51 ~ # rpcinfo -p phoenix
program vers proto port service
100000 4 tcp 111 portmapper
100000 3 tcp 111 portmapper
100000 2 tcp 111 portmapper
100000 4 udp 111 portmapper
100000 3 udp 111 portmapper
100000 2 udp 111 portmapper
100024 1 udp 53900 status
100024 1 tcp 40705 status
100005 1 udp 47860 mountd
100005 1 tcp 54482 mountd
100005 2 udp 33905 mountd
100005 2 tcp 43389 mountd
100005 3 udp 54847 mountd
100005 3 tcp 34896 mountd
100003 3 tcp 2049 nfs
100227 3 tcp 2049 nfs_acl
100003 3 udp 2049 nfs
100227 3 udp 2049 nfs_acl
100021 1 udp 60742 nlockmgr
100021 3 udp 60742 nlockmgr
100021 4 udp 60742 nlockmgr
100021 1 tcp 50424 nlockmgr
100021 3 tcp 50424 nlockmgr
100021 4 tcp 50424 nlockmgr
area51 ~ # mount /mnt/backup -v
mount.nfs: timeout set for Thu Oct 8 14:37:27 2015
mount.nfs: trying text-based options 'hard,intr,rsize=2048,wsize=2048,nfsvers=3,addr=10.2.1.12'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: trying 10.2.1.12 prog 100003 vers 3 prot TCP port 2049
mount.nfs: prog 100005, trying vers=3, prot=17
mount.nfs: trying 10.2.1.12 prog 100005 vers 3 prot UDP port 54847
mount.nfs: mount(2): Stale file handle
mount.nfs: trying text-based options 'hard,intr,rsize=2048,wsize=2048,nfsvers=3,addr=10.2.1.12'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: trying 10.2.1.12 prog 100003 vers 3 prot TCP port 2049
mount.nfs: prog 100005, trying vers=3, prot=17
mount.nfs: trying 10.2.1.12 prog 100005 vers 3 prot UDP port 54847
mount.nfs: mount(2): Stale file handle
mount.nfs: trying text-based options 'hard,intr,rsize=2048,wsize=2048,nfsvers=3,addr=10.2.1.12'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: trying 10.2.1.12 prog 100003 vers 3 prot TCP port 2049
mount.nfs: prog 100005, trying vers=3, prot=17
mount.nfs: trying 10.2.1.12 prog 100005 vers 3 prot UDP port 54847
mount.nfs: mount(2): Stale file handle
<<<repeats>>>
mount.nfs: Connection timed out |
Note: iptables has been disabled on both PCs. |
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kikko
Apprentice
Joined: 29 Apr 2014
Posts: 261
Location: Milan, IT
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| Posted: Thu Oct 08, 2015 7:09 pm Post subject: |
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Hi BlueFusion
I'm not an NFS guru (I've always fought with it btw  ), but there is something about your hosts.allow file I can't get:
| BlueFusion wrote: | | Code: | phoenix ~ # cat /etc/hosts.allow
portmap:10.2.1.0/255.255.255.0
lockd:10.2.1.0/255.255.255.0
rquotad:10.2.1.0/255.255.255.0
mountd:10.2.1.0/255.255.255.0
statd:10.2.1.0/255.255.255.0 |
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some daemons seems missing:
- rpc.statd
- rpcbind
- nfsd ? (not sure about this one)
Regards |
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BlueFusion
Guru
Joined: 08 Mar 2006
Posts: 371
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| Posted: Thu Oct 08, 2015 8:24 pm Post subject: |
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Using all of the NFS howtos, these are the only things listed. I've used these files in the past for an NFS v3 server. I haven't used it in a few years, though.
I tried setting in /etc/hosts.allow ALL:ALL, restarted the associated NFS services and it still fails with the same error. |
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kikko
Apprentice
Joined: 29 Apr 2014
Posts: 261
Location: Milan, IT
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| Posted: Fri Oct 09, 2015 11:14 am Post subject: |
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hi BlueFusion
have you tried to test port connectivity from "area51"?
| Code: | | telnet (or nc -vz if you have netcat installed) 10.2.1.12 2049 |
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BlueFusion
Guru
Joined: 08 Mar 2006
Posts: 371
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| Posted: Fri Oct 09, 2015 12:15 pm Post subject: |
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Yes I am able to connect to the port via telnet.
| Quote: | area51 ~ # telnet 10.2.1.12 2049
Trying 10.2.1.12...
Connected to 10.2.1.12.
Escape character is '^]'. |
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kikko
Apprentice
Joined: 29 Apr 2014
Posts: 261
Location: Milan, IT
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| Posted: Fri Oct 09, 2015 2:28 pm Post subject: |
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I'm really running out of ideas... 
Your first error "mount.nfs: mount(2): Stale file handle", could be related to something unclean in kernel's export table
you could try to refresh exports running
I guess you could give it a try
Regards |
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BlueFusion
Guru
Joined: 08 Mar 2006
Posts: 371
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| Posted: Sat Oct 10, 2015 6:35 pm Post subject: |
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Nope that didn't help anything.
I'm really at a loss over this one. I've never had issues in the past getting NFS working. |
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