[Linux-cluster] Working of a two-node cluster

[Jatin Davey]

Ok , i tried with delay but it has not helped. I guess i have to try 
using quorum disk now.

Thanks
Jatin

On 4/24/2015 7:06 PM, Vijay Kakkar wrote:
> You may need to delay the fencing ( delay=seconds ) or use quorum disk 
> if delaying the fencing doesn't help.
>
> On Fri, Apr 24, 2015 at 6:23 PM, Jatin Davey <jashokda at cisco.com 
> <mailto:jashokda at cisco.com>> wrote:
>
>     Here is my cluster.conf file
>
>     ************************
>     <?xml version="1.0"?>
>     <cluster config_version="4" name="****">
>             <clusternodes>
>                     <clusternode name="node-103" nodeid="1">
>                             <fence>
>                                     <method name="Method01">
>                                             <device name="node-103"/>
>                                     </method>
>                             </fence>
>                     </clusternode>
>                     <clusternode name="node-105" nodeid="2">
>                             <fence>
>                                     <method name="Method02">
>                                             <device name="node-105"/>
>                                     </method>
>                             </fence>
>                     </clusternode>
>             </clusternodes>
>             <cman expected_votes="1" two_node="1"/>
>             <fencedevices>
>                     <fencedevice agent="fence_ipmilan" auth="password"
>     ipaddr="x.x.x.x" lanplus="on" login="admin" name="node-103"
>     passwd="*****" privlvl="ADMINISTRATOR"/>
>                     <fencedevice agent="fence_ipmilan" auth="password"
>     ipaddr="x.x.x.x" lanplus="on" login="admin" name="node-105"
>     passwd="******" privlvl="ADMINISTRATOR"/>
>             </fencedevices>
>             <fence_daemon post_join_delay="120"/>
>             <rm>
>                     <resources>
>                             <netfs export="/test" force_unmount="1"
>     fstype="nfs" host="x.x.x.x" mountpoint="/test/test/test"
>     name="test123"/>
>                             <ip address="x.x.x.x" sleeptime="5"/>
>                             <script file="/xxx/xxx/xxx/xxx/xx.sh"
>     name="xxxx"/>
>                     </resources>
>                     <failoverdomains>
>                             <failoverdomain name="Failover01"
>     nofailback="1" ordered="1">
>                                     <failoverdomainnode
>     name="node-103" priority="1"/>
>                                     <failoverdomainnode
>     name="node-105" priority="2"/>
>                             </failoverdomain>
>                     </failoverdomains>
>                     <service domain="Failover01" name="Service01"
>     recovery="relocate">
>                             <ip ref="x.x.x.x"/>
>                             <netfs ref="test123"/>
>                             <script ref="xxxx"/>
>                     </service>
>             </rm>
>     </cluster>
>
>
>     On 4/24/2015 6:01 PM, emmanuel segura wrote:
>
>         please share your cluster config, maybe in this way someone
>         can help you.
>
>         2015-04-24 14:12 GMT+02:00 Jatin Davey <jashokda at cisco.com
>         <mailto:jashokda at cisco.com>>:
>
>             Hi
>
>             I am using a two node cluster using RHEL 6.5. I have a
>             very fundamental
>             question.
>
>             For the two node cluster to work , Is it mandatory that
>             both the nodes are
>             "online" and communicating with each other ?
>
>             What i can see is that if there is communication failure
>             between them then
>             either both the nodes are fenced or the cluster gets into
>             a "stopped" state
>             (Seen from output of clustat command).
>
>             Apologies if my questions are naive. I am just starting to
>             work with RHEL
>             cluster add-on.
>
>             Thanks
>             Jatin
>
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>
>
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>
>
> -- 
> Cheers
>
> *Vijay Kakkar - RHC{E,SS,VA,DS,A,I,X}*
>
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