Dear Emmanuel Segura,
Find the config below. Because of policy I have removed some
login details.
#############
<?xml version="1.0"?>
<cluster config_version="6" name="new_cluster">
<fence_daemon post_fail_delay="0"
post_join_delay="3"/>
<clusternodes>
<clusternode name="mailbox1" nodeid="1"
votes="1">
<multicast addr="224.0.0.1"
interface="bond0"/>
<fence>
<method name="1">
<device
name="imap1drac"/>
</method>
</fence>
</clusternode>
<clusternode name="mailbox2" nodeid="2"
votes="1">
<multicast addr="224.0.0.1"
interface="bond0"/>
<fence>
<method name="1">
<device
name="imap2drac"/>
</method>
</fence>
</clusternode>
</clusternodes>
<cman expected_votes="1" two_node="1">
<multicast addr="224.0.0.1"/>
</cman>
<fencedevices>
<fencedevice agent="fence_drac6"
ipaddr="<drac IP>" login="<login name>"
name="imap1drac" passwd="xxxxx"/>
<fencedevice agent="fence_drac6"
ipaddr="<drac IP>" login="<login name>"
name="imap2drac" passwd="xxxxx"/>
</fencedevices>
<rm>
<failoverdomains/>
<resources>
<ip address="192.168.1.1"
monitor_link="1"/>
<fs device="/dev/drbd0" force_fsck="0"
force_unmount="1" fsid="28418" fstype="ext3"
mountpoint="/mount/path" name="imap1_fs" options="rw"
self_fence="1"/>
<script file="/etc/init.d/cyrus-imapd"
name="imap1_init"/>
</resources>
<service autostart="1" name="imap1"
recovery="restart">
<ip ref="192.168.1.1"/>
<fs ref="imap1_fs"/>
<script ref="imap1_init"/>
</service>
</rm>
</cluster>
###################
Regards
Jayesh Shinde
On 01/25/2012 01:59 PM, emmanuel segura wrote:
Can you show me your cluster config?
2012/1/25 jayesh.shinde <jayesh.shinde@xxxxxxxxxxxxx>
Hi all ,
I have few queries about fence working.
I am using 2 different the 2 node cluster with Dell and
IBM hardware in two different IDC.
Recently I came across the network failure problem at
different time and I found my 2 nodes are power off state.
Below is how the situation happened with my 2 different 2
node cluster.
With 2 node IBM node cluster with SAN :--
==============================
1) Network connectivity was failed totally for few
minutes.
2) And as per the /var/log/messages both servers failed
to fence to each other and both server was UP as it is
with all services.
3) But the "clustat" was showing serves are not in cluster
mode and "regmanger" status was stop.
4) I simply reboot the server.
5) After that I found both server in power off stat.
with another 2 node Dell server with DRBD :--
=================================
1) Network
connectivity was failed totally.
2) DRAC ip was unavailable so fence failed from both
server.
3) after some time I fond the servers are shutdown.
In normal conditions both cluster work properly
my
queries are now :--
===============
1) What could be the reason for power off ?
2) Does cluster's fencing method caused for the power
off of server ( i.e because of previous failed fence ) ?
3) Is there any test cases mentioned on net / blog / wiki
about the fence , i.e different situation under which
fence works.
Please guide.
Thanks & Regards
Jayesh Shinde
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