SUMMARY: Purging entries from /etc/mountdtab on a cluster

[Tim Cutts <tjrc@xxxxxxxxxxxx>]

Thanks to Eric Werme, who agreed that my suggestion was probably  
safest, probably combined with /sbin/init.d/nfs cluster_stop, but  
also thought it was reasonably safe to just delete the file anyway.

As it happened, a network problem caused the cluster to crash about  
an hour after I sent my message, so a golden opportunity to clean up  
the file presented itself anyway!

Tim

On 4 Aug 2006, at 12:44 pm, Tim Cutts wrote:

> Is there a procedure for purging old entries from /etc/mountdtab on  
> TruCluster NFS servers?
>
> The file has over 23,000 entries on one of our NFS servers,  
> including entries for several hundred Linux clients which no longer  
> exist.
> This causes the RPC mountlist linked list to be so large that some  
> clients (notably am-utils on Linux) run out of stack space when  
> trying to work their way through it.
>
> Is there a safe way to purge entries from this file?  Is it  
> sufficient to:
>
> 1)  /sbin/init.d/nfs stop
>     on all TruCluster nodes
> 2)  Remove all the obsolete entries
> 3)  /sbin/init.d/nfs start
>     on all nodes
>
> ?
>
> Thanks in advance.
>
> Tim