Re: NFS mount problem..

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I did kick up the logging on the node and it did give me that same info.  The way figured it out was by modifying the netfs.sh script to log what it was looking for and what it was actually finding.  It was looking for /mnt/mysql/ not /mnt/mysql.  This is according to the awk statement at the end of the isMounted function in that script.  Once I found out what it was looking for, I was able to get it to work.  This sounds like a bug to me more than anything.

On Tue, Apr 14, 2009 at 2:39 PM, vu pham <vu@xxxxxxxxxx> wrote:


Spencer Parker wrote:
I found my problem.  It was the trailing slash on /mnt/mysql

Glad that you found the problem. Just curious that your log didn't show any clear clue. Below is my log in a similar situation. It says pretty clear that there is something wrong in my mount parameters.

Jan 16 15:33:22 xen2vm1 clurgmgrd[1790]: <notice> Service service:nfs started
Jan 16 15:33:26 xen2vm1 clurgmgrd[1790]: <notice> status on netfs "nfsdata" returned 1 (generic error)
Jan 16 15:33:26 xen2vm1 clurgmgrd[1790]: <notice> Stopping service service:nfs
Jan 16 15:33:26 xen2vm1 clurgmgrd[1790]: <notice> Service service:nfs is recovering
Jan 16 15:33:27 xen2vm1 clurgmgrd[1790]: <notice> Service service:nfs is now running on member 1
Jan 16 15:33:36 xen2vm1 clurgmgrd[1790]: <notice> Recovering failed service service:nfs
Jan 16 15:33:37 xen2vm1 clurgmgrd: [1790]: <err> 'mount  -o sync,soft,noac 172.16.254.14:/data /mnt/nfsdata/' failed, error=32
Jan 16 15:33:37 xen2vm1 clurgmgrd[1790]: <notice> start on netfs "nfsdata" returned 2 (invalid argument(s))
Jan 16 15:33:37 xen2vm1 clurgmgrd[1790]: <warning> #68: Failed to start service:nfs; return value: 1
Jan 16 15:33:37 xen2vm1 clurgmgrd[1790]: <notice> Stopping service service:nfs
Jan 16 15:33:37 xen2vm1 clurgmgrd[1790]: <notice> Service service:nfs is recovering

Btw, I use RHEL 5.2, just plain 5.2 from the DVD without any RHN update.

Vu

On Tue, Apr 14, 2009 at 12:41 PM, Spencer Parker <sjpark@xxxxxxxxxxxxxxxxxxxx <mailto:sjpark@xxxxxxxxxxxxxxxxxxxx>> wrote:

   <?xml version="1.0"?>
   <cluster alias="cluster" config_version="43" name="cluster">
           <fence_daemon clean_start="0" post_fail_delay="0"
   post_join_delay="3"/>
           <clusternodes>
                   <clusternode name="shadowhawk" nodeid="1" votes="1">
                           <fence>
                                   <method name="1">
                                           <device name="shadowhawk-ilo"/>
                                   </method>
                           </fence>
                   </clusternode>
                   <clusternode name="darkhawk" nodeid="2" votes="1">
                           <fence>
                                   <method name="1">
                                           <device name="darkhawk-ilo"/>
                                   </method>
                           </fence>
                   </clusternode>
           </clusternodes>
           <cman expected_votes="1" two_node="1"/>
           <fencedevices>
                   <fencedevice agent="fence_ilo"
   hostname="darkhawk-ilo" login="cluster" name="darkhawk-ilo"
   passwd="*******"/>
                   <fencedevice agent="fence_ilo"
   hostname="shadowhawk-ilo" login="cluster" name="shadowhawk-ilo"
   passwd="*******"/>
           </fencedevices>
           <rm log_level="7">
                   <failoverdomains>
                           <failoverdomain name="failover"
   nofailback="0" ordered="1" restricted="0">
                                   <failoverdomainnode
   name="shadowhawk" priority="1"/>
                                   <failoverdomainnode name="darkhawk"
   priority="2"/>
                           </failoverdomain>
                   </failoverdomains>
                   <resources>
                           <ip address="10.10.200.25" monitor_link="1"/>
                           <script file="/etc/init.d/mysqld"
   name="mysqld"/>
                           <script file="/etc/init.d/httpd" name="httpd"/>
                           <netfs export="/vol/test_mysql/mysql"
   exportpath="/vol/test_mysql/mysql" force_unmount="1" fstype="nfs"
   host="netapp" mountpoint="/mnt/mysql/" name="mysql_data"
   nfstype="nfs"
   options="defaults,rw,async,nfsvers=3,mountvers=3,proto=tcp"/>
                   </resources>
                   <service autostart="1" domain="failover"
   exclusive="0" name="cluster" recovery="relocate">
                           <ip ref="10.10.200.25">
                                   <script ref="mysqld"/>
                                   <script ref="httpd"/>
                           </ip>
                   </service>
                   <service autostart="1" domain="failover"
   exclusive="0" name="nfs" recovery="relocate">
                           <netfs ref="mysql_data"/>
                   </service>
           </rm>
   </cluster>



   On Tue, Apr 14, 2009 at 12:30 PM, vu pham <vu@xxxxxxxxxx
   <mailto:vu@xxxxxxxxxx>> wrote:


       Spencer Parker wrote:

           The NFS share is located on a NetApp box not running GFS.
            The NFS share is only there to share the database
           information for the MySQL resource.  The failure comes when
           it goes to check the status of the NFS mount.

           Jan  9 13:50:40 shadowhawk clurgmgrd[4212]: <notice> status
           on netfs "mysql_data" returned 1 (generic error)

           That is the error coming out of my log file.  It mounts the
           NFS share just fine...and leaves it mounted as well.  When
           it checks the status it then errors out.


       What is your cluster.conf ?



           On Tue, Apr 14, 2009 at 12:23 PM, vu pham <vu@xxxxxxxxxx
           <mailto:vu@xxxxxxxxxx> <mailto:vu@xxxxxxxxxx

           <mailto:vu@xxxxxxxxxx>>> wrote:

              Spencer Parker wrote:

                  I am running a MySQL cluster using cluster services
           and I have
                  one issue when it comes to NFS.  The MySQl services
           run fine
                  until add in an NFS mount.  The NFS mount is where
           all of the
                  MySQl databases live at.  I can get the NFS share to
           mount
                  properly on the cluster machines, but the log files
           keep telling
                  it errors out.  Once it errors out the service then
           stops.  I
                  have tried restarting the service, but that has it
           remounting
                  the share over the top of the old one.  It never
           unmounts the
                  NFS share upon failure.  I can manually mount it and
           it works
                  fine...I can read-write to it just fine...I have added in
                  options and taken them away.  All of this results in
           the same
                  end.  Any ideas?


              Spencer,

              How do you share the NFS ? Do you use GSF ?  What are the
           error
              messages ? Is the storage-device iscsi ?


              Vu

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