NFS

NFS

Postby samrise » Wed Aug 19, 2015 12:48 pm

And here i'am again. :-D

I'm having a problem with a nfs mount. Sometimes reading a file takes exactly 30 seconds to start. dmesg reporst:

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[   75.759610] NFSD: starting 90-second grace period (net c03da538)
[  195.978047] NFSD: Unable to end grace period: -110
NFSD: Unable to create client record on stable storage: -110


According to this link i have to mkdir /var/lib/nfs/v4recovery to match the content of /proc/fs/nfsd/nfsv4recoverydir. THe problem is that after reboot the dir is gone.

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root@nas:/ # cd /var/lib/nfs/
root@nas:/var/lib/nfs # ls -al
total 24
drwxr-xr-x  4 root   root 4096 2015-08-19 14:45 .
drwxr-xr-x  3 root   root 4096 2015-08-19 14:44 ..
-rw-r--r--  1 root   root  206 2015-08-19 14:45 etab
-rw-------  1 root   root    0 2015-08-19 14:45 .etab.lock
-rw-r--r--  1 root   root    0 2015-08-19 14:45 export-lock
-rw-r--r--  1 root   root    0 2015-08-19 14:44 rmtab
drwx------  2 nobody root 4096 2015-08-19 14:44 sm
drwx------  2 nobody root 4096 2015-08-19 14:44 sm.bak
-rw-r--r--  1 root   root    4 2015-08-19 14:45 state
-rw-r--r--  1 root   root    0 2015-08-19 14:44 xtab
-rw-------  1 root   root    0 2015-08-19 14:45 .xtab.lock
root@nas:/var/lib/nfs # mkdir /var/lib/nfs/v4recovery
root@nas:/var/lib/nfs # ls -al
total 28
drwxr-xr-x  5 root   root 4096 2015-08-19 14:50 .
drwxr-xr-x  3 root   root 4096 2015-08-19 14:44 ..
-rw-r--r--  1 root   root  206 2015-08-19 14:45 etab
-rw-------  1 root   root    0 2015-08-19 14:45 .etab.lock
-rw-r--r--  1 root   root    0 2015-08-19 14:45 export-lock
-rw-r--r--  1 root   root    0 2015-08-19 14:44 rmtab
drwx------  2 nobody root 4096 2015-08-19 14:44 sm
drwx------  2 nobody root 4096 2015-08-19 14:44 sm.bak
-rw-r--r--  1 root   root    4 2015-08-19 14:45 state
drwxr-xr-x  2 root   root 4096 2015-08-19 14:50 v4recovery
-rw-r--r--  1 root   root    0 2015-08-19 14:44 xtab
-rw-------  1 root   root    0 2015-08-19 14:45 .xtab.lock
root@nas:/var/lib/nfs # reboot
root@nas:/var/lib/nfs #


And after reboot:

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login as: root
root@nas's password:
root@nas:/ # cd /var/lib/nfs/
root@nas:/var/lib/nfs # ls -al
total 24
drwxr-xr-x  4 root   root 4096 2015-08-19 14:52 .
drwxr-xr-x  3 root   root 4096 2015-08-19 14:51 ..
-rw-r--r--  1 root   root  206 2015-08-19 14:52 etab
-rw-------  1 root   root    0 2015-08-19 14:52 .etab.lock
-rw-r--r--  1 root   root    0 2015-08-19 14:52 export-lock
-rw-r--r--  1 root   root    0 2015-08-19 14:51 rmtab
drwx------  2 nobody root 4096 2015-08-19 14:51 sm
drwx------  2 nobody root 4096 2015-08-19 14:51 sm.bak
-rw-r--r--  1 root   root    4 2015-08-19 14:52 state
-rw-r--r--  1 root   root    0 2015-08-19 14:51 xtab
-rw-------  1 root   root    0 2015-08-19 14:52 .xtab.lock
root@nas:/var/lib/nfs #


:hammerhead
samrise
 
Posts: 115
Joined: Thu Jan 01, 2015 9:59 pm

Re: NFS

Postby Jocko » Wed Aug 19, 2015 1:15 pm

Hi samrise,

indeed the folder location is in tmp and so it is reset at each boot.

Attached a tar file to update the boot script (to create your folder). So save it in the share fvdw and in putty do
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tar -xf /direct-usb/fvdw/fvdwsl16.0-rcS-nfsdir-19aug15.tar -C /
You do not have the required permissions to view the files attached to this post.
Jocko
Site Admin - expert
 
Posts: 11529
Joined: Tue Apr 12, 2011 4:48 pm
Location: Orleans, France

Re: NFS

Postby samrise » Wed Aug 19, 2015 1:42 pm

Thank you, worked like a charm. :)

Btw, is there a log i can check in case of a crash? Usually i can find last session logs on /var/log, but not on fvdw.
samrise
 
Posts: 115
Joined: Thu Jan 01, 2015 9:59 pm


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