Hi,
I've been experiencing hangs with clvmd (and all associated commands: lvs, vgdsplay, ect) on a 3 node cluster.
I am using cman and clvmd to create clustered lvs from a san backend.
I recently upgraded from 5.2 to 5.3 because occasionally commands began to hang, and would not work until I rebooted either 1 or 2 of the nodes, and there seemed to be several fixes in 5.3.
These are the versions of cman and lvm2-cluster I am using. I'm using the lvm2-cluster from centos, rather than redhat.
[root@cluster6 ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5.3 (Tikanga)
[root@cluster6 ~]# rpm -qa cman
cman-2.0.98-1.el5_3.4
[root@cluster6 ~]# rpm -qa lvm2-cluster
lvm2-cluster-2.02.40-7.el5 <- from centos packages
and this is what nodes there are:
[root@cluster6 ~]# cman_tool nodes
Node Sts Inc Joined Name
1 M 2336 2009-08-04 14:39:42 cluster7
2 M 2336 2009-08-04 14:39:42 cluster5
3 M 2332 2009-08-04 14:39:19 cluster6
[root@cluster6 ~]# cman_tool services
type level name id state
fence 0 default 00010003 none
[1 2 3]
dlm 1 clvmd 00020003 none
[1 2 3]
and this is what's hanging after "service clvmd start"
7056 pts/0 S+ 0:00 /usr/sbin/vgscan
it just sits there forever, and I can't run any "lvm" type commands. If I kill it the clvmd init script moves onto vgchange -ayl which also hangs.
Any thoughts? Is there some kind of human error misconfiguration that could be going on here?
Thanks,
Curtis.
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