Hi, On Thu, Apr 30, 2009 at 07:54:47AM -0700, Jerome Yanga wrote: > Here is my CIB.xml config. > > cib.xml: > ======== > primitive fs0 ocf:heartbeat:Filesystem \ > params fstype="ext3" directory="/data" device="/dev/drbd0" > primitive VIP ocf:heartbeat:IPaddr \ > params ip="10.50.26.250" \ > op monitor interval="5s" timeout="5s" > primitive Emergency_Contact ocf:heartbeat:MailTo \ > params email="jya...@esri.com" subject="Failover Occured" \ > op monitor interval="3s" timeout="3s" > primitive drbd0 ocf:heartbeat:drbd \ > params drbd_resource="r0" \ > op monitor interval="59s" role="Master" timeout="30s" \ > op monitor interval="60s" role="Slave" timeout="30s" > group DRBD_Group fs0 VIP Emergency_Contact \ > meta collocated="true" ordered="true" migration-threshold="1" failure- > timeout="10s" resource-stickiness="10" > ms ms-drbd0 drbd0 \ > meta clone-max="2" notify="true" globally-unique="false" target-role=" > Started" > colocation DRBD_Group-on-ms-drbd0 inf: DRBD_Group ms-drbd0:Master > order ms-drbd0-before-DRBD_Group inf: ms-drbd0:promote DRBD_Group:start > > I did a bit more testing and here are the facts. > > 01) Based on the cib.xml config below, when a node owns the > resource group DRBD_Group, I would start the NFS service > manually and I would get the error below. Nevertheless, I > would be able to access the NFS share from another machine. > > " # service nfs start > Starting NFS services: [ OK ] > Starting NFS quotas: [ OK ] > Starting NFS daemon: [ OK ] > Starting NFS mountd: [ OK ] > Starting RPC idmapd: Error: RPC MTAB does not exist. " > > 02) When I failover the resource group DRBD_Group to the other > node, I can start NFS with the same error but would still be > able to access the share from another machine. > > 03) However, if I add the NFS into the resource group > DRBD_Group (see below), the share will still be accessible, but > it will not failover due to the OCF agent nfsserver will not be > able to shutdown NFS service. > > To add the NFS resource into the DRBD_Group, I would add the following via > crm(live) and also add nfs_share into the DRBD_group line. > primitive nfs_share ocf:heartbeat:nfsserver \ > params nfs_init_script="/etc/init.d/nfs" \ > params nfs_notify_cmd="/sbin/rpc.statd" \ > params nfs_shared_infodir="/data/varlibnfs" \ > params nfs_ip="10.50.26.250" \ > op monitor interval="30s" > ... > group DRBD_Group fs0 nfs_share VIP Emergency_Contact \ > ... > > I think there is something wrong with the OCF agent nfsserver > in that it cannot stop the NFS service.
How does it fail? Is it that RPC MTAB error above? If so, then the /etc/init.d/nfs probably needs fixing, or the idmapd service, or, in case you don't need it, perhaps there's a way to disable it. Thanks, Dejan > As a result, the DRBD > device will not failover. Hence, the resource group will not > failover. > > Please help. > > jerome > > > -----Original Message----- > From: linux-ha-boun...@lists.linux-ha.org > [mailto:linux-ha-boun...@lists.linux-ha.org] On Behalf Of Jerome Yanga > Sent: Tuesday, April 28, 2009 5:28 PM > To: General Linux-HA mailing list > Subject: [Linux-HA] Cannot get Heartbeat, DRBD and NFS to work together > > Hi peeps! > > I cannot get my High Availability NFS server work right. Here is my > configuration. > > primitive share_name ocf:heartbeat:nfsserver \ > params nfs_init_script="/etc/init.d/nfs" \ > params nfs_notify_cmd="/sbin/rpc.statd" \ > params nfs_shared_infodir="/data" \ > params nfs_ip="10.50.26.250" \ > op monitor interval="30s" > > drbd-8.2.7-3 > heartbeat-2.99.2-6.1 > pacemaker-1.0.2-11.1 > nfs-utils-1.0.9-40.el5 > nfs-utils-lib-1.0.8-7.2.z2 > > Without heartbeat running, NFS works properly. When I add NFS as a resource > into a group, it gets added but it does not seem to work as I cannot get to > the share from other systems. > > I have tried following the site below, but I may have done something wrong > since the share does not work. :( > > http://www.linux-ha.org/HaNFS > > Help. > > Thank you in advance. > > jerome > _______________________________________________ > Linux-HA mailing list > Linux-HA@lists.linux-ha.org > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems > > _______________________________________________ > Linux-HA mailing list > Linux-HA@lists.linux-ha.org > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
