Hello All,
I am having some problems configuring OCFS2 to use only the
multipath device name. We have been doing failover testing with our
ISCI SAN and as soon as we unplug one NIC the following messages appear
in /var/log/messages and the system reboots.
Dec 16 12:39:03 mcprac01 kernel: (56,6):o2hb_write_timeout:172 ERROR:
Heartbeat write timeout to device dm-34 after 120000 milliseconds
Dec 16 12:39:03 mcprac01 kernel: (56,6):o2hb_stop_all_regions:1967
ERROR: stopping heartbeat on all active regions.
Dec 16 12:39:03 mcprac01 kernel: ocfs2 is very sorry to be fencing this
system by restarting
RHEL 5.3 Kernel 2.6.18-128.el5
OCFS2 Versions
ocfs2console-1.4.3-1.el5
ocfs2-2.6.18-128.el5-1.4.2-1.el5
ocfs2-tools-1.4.3-1.el5
Why does this show all device paths? Is there anyway to tell OCFS2 to
ignore the /dev/sd* devices ?
$ mounted.ocfs2 -d
Device FS UUID Label
/dev/sdf1 ocfs2 2eaddbd4-fac6-4c83-a86d-357215730b23
/dev/dm-25 ocfs2 2eaddbd4-fac6-4c83-a86d-357215730b23
/dev/sdaj1 ocfs2 2eaddbd4-fac6-4c83-a86d-357215730b23
/dev/sdd1 ocfs2 199f76a6-280a-46c6-812e-50712170a823
/dev/dm-32 ocfs2 199f76a6-280a-46c6-812e-50712170a823
/dev/sdai1 ocfs2 199f76a6-280a-46c6-812e-50712170a823
cluster.conf
cluster:
node_count = 2
name = mcprac
node:
ip_port = 7777
ip_address = 10.254.0.2
number = 1
name = mcprac00
cluster = mcprac
node:
ip_port = 7777
ip_address = 10.254.0.3
number = 2
name = mcprac01
cluster = mcprac
$ service o2cb status
Driver for "configfs": Loaded
Filesystem "configfs": Mounted
Driver for "ocfs2_dlmfs": Loaded
Filesystem "ocfs2_dlmfs": Mounted
Checking O2CB cluster mcprac: Online
Heartbeat dead threshold = 61
Network idle timeout: 30000
Network keepalive delay: 2000
Network reconnect delay: 2000
Checking O2CB heartbeat: Active
$ service ocfs2 status
Configured OCFS2 mountpoints: /spfile /ora_backup
Active OCFS2 mountpoints: /spfile /ora_backup
Daryl Nyburg
Oracle DBA
The University of Toledo
ph 419-530-3964
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