[CentOS] NFS issues

Johan Swensson johan.swensson at apegroup.com
Wed Aug 13 02:38:23 UTC 2008

It happend again this night but now I temporarily(?) fixed it with 
mounting -o nolock on the web servers.
It works but dmesg is still spamming "lockd: server not 
responding, timed out". Atleast my sites are up, and the message isn't 
critical anymore.
But how can I get rid of it?

Johan Swensson wrote:
> So I'm running nfs to get content to my web servers. Now I've had this 
> problem 2 times (about 2 weeks since the last occurrence).
> I use drbd on the nfs server for redundancy. Now to my problem:
> All my web sites stopped responding so I started by checking dmesg and 
> there I found a bunch of this errors
> ||
> Aug 11 16:00:39 web03 kernel: lockd: server not responding, timed out
> Aug 11 16:02:39 web03 kernel: lockd: server not responding, timed out
> But when checking the nfs server lockd was running and I could access 
> all the files from the webserver with ls, cd etc.
> The logs on the nfs server doesn't say anything of interest and 
> checking apaches error_log just says "not found or unable to stat".
> Now I mentioned this have happened 2 times and both these times I've 
> "solved" it by rebooting the nfs server and web servers. This isn't a 
> good solution to have to reboot my servers every couple of weeks so I 
> really could use some help. :)
> Also I get this from time to time on the web servers, dunno if it's 
> related.
> /do_vfs_lock: VFS is out of sync with lock manager! /
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