Hi Chrissie, Thanks for your help. I have managed to get my cluster up and running and the volume group is now visible on both cluster nodes. I suspect that I clvmd was not running properly, although I am really not sure. However, after starting up the cluster this afternoon and starting rgmanager and clvmd on both nodes the volume group (iscsi_raid_vg) is there. However, no I try to create a logical volume to use for my GFS lvcreate -L 19.07G iscsi_raid_vg and I get the error Error locking on node <other_node>: Error backing up metadata, can't find VG for group #global Aborting. Failed to activate new LV to wipe the start of it. Any suggestions? Also, I have been trying to configure my 2-node cluster using conga, but have resorted to command line control as conga seems to hang quite frequently. I have read the Red Hat Manuals, but there is a lot of material and nothing that seems to cover the problems I keep encountering. I think the main issue is that I have shared storage presented via iSCSI to the cluster. I have to power down every night and power back up every morning. I then have to use mdadm to reassemble the iSCSI storage (due to multipathing and RAID). Then I have to get the cluster back up and running. I am getting better at the process, but I don't think I am powering down the cluster in a "nice" way, so I get issues when I try to start it up again. Do you have any suggestions for a shutdown, startup sequence that will get the cluster up and going nicely? Currently, the sequence is something like: # Shutdown service clvmd stop service rgmanager stop service cman stop # Shut the machine down # Startup iptables -F # Isolated experimental network, so I am pretty free here mdadm --assemble --scan # Sometimes I will have to rebuild the md devices individually service cman start service rgmanager start service clvmd start # Do I need to cman_tool join here? Or fence_ack_manual -n <node>? Sorry for all the questions, but I am only building a prototype at this stage and would like to get it "down and up" as easily as possible so I can do some testing. Kind regards, Mike -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
