[Linux-cluster] Unmounting problems

[Jim Strasenburgh]

Ben -

You probably still have exported file systems.  Try "exportfs -ua" then
the umount.  Just a guess....

	STRAS

On Fri, 2005-11-18 at 18:56 +0000, Ben Yarwood wrote:
> I have a problem trying to move a service from one node to another.  The
> service has a local mount from an attached fibre disk array which is then
> published as an nfs mount for other non cluster servers to use.  When I use
> clusvcadm to either disable or move the service, it fails leaving the
> service disabled and the mount still in place.  
> 
> If I try to unmount it using umount -f /dev/emcpowerf1 and error is reported
> saying the device is busy.
> I have tried running lsof as detailed on the red hat knowledgebase but this
> shows no results.
> The only solution I can find is to reboot the node.
> 
> Can anyone please let me know what the problem might be.
> 
> I am running RHEL 3.0 with cluster suite, an emc ax100 disk array with emc
> powerpath management software running on each cluster node.
> Below is an extract from my cluster.xml file.
> 
>     <service checkinterval="0" failoverdomain="None" id="1"
> maxfalsestarts="0" maxrestarts="0" name="192mp3" userscript="None">
>       <service_ipaddresses>
>         <service_ipaddress broadcast="None" id="0" ipaddress="10.0.1.181"
> monitor_link="0" netmask="None"/>
>         <service_ipaddress broadcast="None" id="1" ipaddress="10.0.20.181"
> monitor_link="0" netmask="None"/>
>       </service_ipaddresses>
>       <device id="0" name="/dev/emcpowerf1">
>         <mount forceunmount="yes" mountpoint="/mnt/webexport/192mp3"
> options="rw,nosuid,sync"/>
>         <nfsexport id="0" name="/mnt/webexport/192mp3">
>           <client id="0" name="*" options="rw,no_root_squash"/>
>         </nfsexport>
>       </device>
>     </service>
> 
> 
> Cheers
> Ben Yarwood
> 
> 
> 
> 
> 
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