And after several reboots, it's all online: [root@uaz-so-w52 ~]# clustat Cluster Status for SOA @ Fri Aug 27 12:21:09 2010 Member Status: Quorate Member Name ID Status ------ ---- ---- ------ uaz-so-w52.mosaic.arizona.edu 1 Online, Local uaz-so-w51.mosaic.arizona.edu 2 Online /dev/mapper/soap1 0 Online, Quorum Disk I've seen it show up all as online before briefly and then go offline. Any ideas what could cause this erratic behavior ? Todd On 08/27/2010 09:16 AM, Todd Merritt wrote: > On 08/27/2010 08:46 AM, Jason_Henderson@xxxxxxxxx wrote: >> linux-cluster-bounces@xxxxxxxxxx wrote on 08/27/2010 11:28:27 AM: >> >>> I'm trying unsuccessfully to set up a new cluster on redhat 5. The >>> nodes seem to see each other, but they alway start up inquorate and >>> never join up. I'm not sure what else I should be looking at. Iptables >>> is not running. >>> >>> [root@uaz-so-w52 ~]# group_tool >>> type level name id state >>> fence 0 default 00010001 none >>> [1] >>> dlm 1 clvmd 00020001 none >>> [1] >>> dlm 1 rgmanager 00030001 none >>> [1] >>> >>> [root@uaz-so-w51 ~]# group_tool >>> type level name id state >>> >>> [root@uaz-so-w51 ~]# cman_tool nodes >>> Node Sts Inc Joined Name >>> 0 X 0 /dev/mapper/soap1 >>> 1 X 0 uaz-so-w52.mosaic.arizona.edu >>> 2 M 7920 2010-08-26 10:04:51 uaz-so-w51.mosaic.arizona.edu >>> >>> [root@uaz-so-w52 ~]# cman_tool nodes >>> Node Sts Inc Joined Name >>> 0 M 0 2010-08-26 09:59:16 /dev/mapper/soap1 >>> 1 M 7436 2010-08-26 09:59:04 uaz-so-w52.mosaic.arizona.edu >>> 2 X 0 uaz-so-w51.mosaic.arizona.edu >>> >>> Any help would be greatly appreciated. >> >> Looks like they are each a member of their own cluster. Perhaps multicast >> communication between the two nodes is not working. Are you using RedHat >> 5.5? >> > Yes, it's rh 5.5. And multicast not working is the track I've been > running down. Our network team tells me multicast is enabled within the > switch. I had used ssmping to test multicast and it seemed to be > working. I just ran it (ssmping) again, and if I start ssmpingd on node > 1 and run ssmping from node 2 it works fine. If I start ssmpingd from > node 2 and run ssmping from node 1 I get connection refused errors from > ssmping. > > Thanks, > Todd > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster > -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
