[ClusterLabs] stonith device locate on same host in active/passive cluster

[Marek Grac]

Hi,



On Tue, May 2, 2017 at 3:39 AM, Albert Weng <weng.albert at gmail.com> wrote:

> Hi All,
>
> I have created active/passive pacemaker cluster on RHEL 7.
>
> here is my environment:
> clustera : 192.168.11.1
> clusterb : 192.168.11.2
> clustera-ilo4 : 192.168.11.10
> clusterb-ilo4 : 192.168.11.11
>
> both nodes are connected SAN storage for shared storage.
>
> i used the following cmd to create my stonith devices on each node :
> # pcs -f stonith_cfg stonith create ipmi-fence-node1 fence_ipmilan parms
> lanplus="ture" pcmk_host_list="clustera" pcmk_host_check="static-list"
> action="reboot" ipaddr="192.168.11.10" login=adminsitrator passwd=1234322
> op monitor interval=60s
>
> # pcs -f stonith_cfg stonith create ipmi-fence-node02 fence_ipmilan parms
> lanplus="true" pcmk_host_list="clusterb" pcmk_host_check="static-list"
> action="reboot" ipaddr="192.168.11.11" login=USERID passwd=password op
> monitor interval=60s
>
> # pcs status
> ipmi-fence-node1                     clustera
> ipmi-fence-node2                     clusterb
>
> but when i failover to passive node, then i ran
> # pcs status
>
> ipmi-fence-node1                    clusterb
> ipmi-fence-node2                    clusterb
>
> why both fence device locate on the same node ?
>

When node 'clustera' is down, is there any place where ipmi-fence-node* can
be executed?

If you are worrying that node can not self-fence itself you are right. But
if 'clustera' will become available then attempt to fence clusterb will
work as expected.

m,
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.clusterlabs.org/pipermail/users/attachments/20170502/af54f57d/attachment-0003.html>