On 17/04/11 21:52, Terry wrote:
As a result of a strange situation where our licensing for storage
dropped off, I need to join a centos 5.6 node to a now single node
cluster. I got it joined to the cluster but I am having issues with
CLVMD. Any lvm operations on both boxes hang. For example, vgscan.
I have increased debugging and I don't see any logs. The VGs aren't
being populated in /dev/mapper. This WAS working right after I joined
it to the cluster and now it's not for some unknown reason. Not sure
where to take this at this point. I did find one weird startup log
that I am not sure what it means yet:
[root@omadvnfs01a ~]# dmesg | grep dlm
dlm: no local IP address has been set
dlm: cannot start dlm lowcomms -107
dlm: Using TCP for communications
dlm: connecting to 2
That message usually means that dlm_controld has failed to start. Try
starting the cman daemons (groupd, dlm_controld) manually with the -D
switch and read the output which might give some clues to why it's not
working.
Chrissie
[root@omadvnfs01a ~]# ps xauwwww | grep dlm
root 5476 0.0 0.0 24736 760 ? Ss 15:34 0:00
/sbin/dlm_controld
root 5502 0.0 0.0 0 0 ? S< 15:34 0:00 [dlm_astd]
root 5503 0.0 0.0 0 0 ? S< 15:34 0:00 [dlm_scand]
root 5504 0.0 0.0 0 0 ? S< 15:34 0:00 [dlm_recv]
root 5505 0.0 0.0 0 0 ? S< 15:34 0:00 [dlm_send]
root 5506 0.0 0.0 0 0 ? S< 15:34 0:00 [dlm_recoverd]
root 5546 0.0 0.0 0 0 ? S< 15:35 0:00 [dlm_recoverd]
[root@omadvnfs01a ~]# lsmod | grep dlm
lock_dlm 52065 0
gfs2 529037 1 lock_dlm
dlm 160065 17 lock_dlm
configfs 62045 2 dlm
centos server:
[root@omadvnfs01a ~]# rpm -q cman rgmanager lvm2-cluster
cman-2.0.115-68.el5
rgmanager-2.0.52-9.el5.centos
lvm2-cluster-2.02.74-3.el5_6.1
[root@omadvnfs01a ~]# ls /dev/mapper/ | grep -v mpath
control
VolGroup00-LogVol00
VolGroup00-LogVol01
rhel server:
[root@omadvnfs01b network-scripts]# rpm -q cman rgmanager lvm2-cluster
cman-2.0.115-34.el5
rgmanager-2.0.52-6.el5
lvm2-cluster-2.02.56-7.el5_5.4
[root@omadvnfs01b network-scripts]# ls /dev/mapper/ | grep -v mpath
control
vg_data01a-lv_data01a
vg_data01b-lv_data01b
vg_data01c-lv_data01c
vg_data01d-lv_data01d
vg_data01e-lv_data01e
vg_data01h-lv_data01h
vg_data01i-lv_data01i
VolGroup00-LogVol00
VolGroup00-LogVol01
VolGroup02-lv_data00
[root@omadvnfs01b network-scripts]# clustat
Cluster Status for omadvnfs01 @ Sun Apr 17 15:44:52 2011
Member Status: Quorate
Member Name ID Status
------ ---- ---- ------
omadvnfs01a.sec.jel.lc 1
Online, rgmanager
omadvnfs01b.sec.jel.lc 2
Online, Local, rgmanager
Service Name
Owner (Last) State
------- ----
----- ------ -----
service:omadvnfs01-nfs-a
omadvnfs01b.sec.jel.lc
started
service:omadvnfs01-nfs-b
omadvnfs01b.sec.jel.lc
started
service:omadvnfs01-nfs-c
omadvnfs01b.sec.jel.lc
started
service:omadvnfs01-nfs-h
omadvnfs01b.sec.jel.lc
started
service:omadvnfs01-nfs-i
omadvnfs01b.sec.jel.lc
started
service:postgresql
omadvnfs01b.sec.jel.lc
started
[root@omadvnfs01a ~]# cman_tool nodes
Node Sts Inc Joined Name
1 M 1892 2011-04-17 15:34:24 omadvnfs01a.sec.jel.lc
2 M 1896 2011-04-17 15:34:24 omadvnfs01b.sec.jel.lc
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