Hello,
On a two node cluster Ubuntu Trusty:
- Linux nebula3 3.13.0-63-generic #103-Ubuntu SMP Fri Aug 14 21:42:59
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
- corosync 2.3.3-1ubuntu1
- pacemaker 1.1.10+git20130802-1ubuntu2.3
- dlm 4.0.1-0ubuntu1
- clvm 2.02.98-6ubuntu2
- gfs2-utils 3.1.6-0ubuntu1
The LVM commands take minutes to complete:
root@nebula3:~# time vgs
Error locking on node 40a8e784: Command timed out
Error locking on node 40a8e784: Command timed out
Error locking on node 40a8e784: Command timed out
VG #PV #LV #SN Attr VSize VFree
nebula3-vg 1 4 0 wz--n- 133,52g 0
one-fs 1 1 0 wz--nc 2,00t 0
one-production 1 0 0 wz--nc 1023,50g 1023,50g
real 5m40.233s
user 0m0.005s
sys 0m0.018s
Do you know where I can look to find what's going on?
Here are some informations:
root@nebula3:~# corosync-quorumtool
Quorum information
------------------
Date: Fri Sep 11 15:57:17 2015
Quorum provider: corosync_votequorum
Nodes: 2
Node ID: 1084811139
Ring ID: 1460
Quorate: Yes
Votequorum information
----------------------
Expected votes: 2
Highest expected: 2
Total votes: 2
Quorum: 1
Flags: 2Node Quorate WaitForAll LastManStanding
Membership information
----------------------
Nodeid Votes Name
1084811139 1 192.168.231.131 (local)
1084811140 1 192.168.231.132
root@nebula3:~# dlm_tool ls
dlm lockspaces
name datastores
id 0x1b61ba6a
flags 0x00000000
change member 2 joined 1 remove 0 failed 0 seq 1,1
members 1084811139 1084811140
name clvmd
id 0x4104eefa
flags 0x00000000
change member 2 joined 1 remove 0 failed 0 seq 1,1
members 1084811139 1084811140
root@nebula3:~# dlm_tool status
cluster nodeid 1084811139 quorate 1 ring seq 1460 1460
daemon now 11026 fence_pid 0
node 1084811139 M add 455 rem 0 fail 0 fence 0 at 0 0
node 1084811140 M add 455 rem 0 fail 0 fence 0 at 0 0
Regards.
--
Daniel Dehennin
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