[Linux-cluster] Conga issue

[Scott Becker]

I see. I just switched them back.

Can I leave just the 'off' commands to allow manual recovery instead of 
a reboot? It seem to me that two node split-brain is best avoided this way.

    scottb


James Parsons wrote:
>
>>
>> Since I manually fixed cluster.conf, luci now displays four entires 
>> for both nodes.
>>
>> I just reordered the entries in cluster.conf like this:
>>  <device name="RackPDU1" option="off" port="3"/>
>>  <device name="RackPDU1" option="on" port="3"/>
>>  <device name="RackPDU2" option="off" port="3"/>
>>  <device name="RackPDU2" option="on" port="3"/>
>>
>> to group them in on off pairs and now luci displays just the two.  :)
>>
>>     thanks
>>     scottb
>
> The above is an incorrect way to set up fencing on a node with 
> redundant power supplies...whatever the UI is showing you.
> This configuration does not guarentee that the node is truly rebooted. 
> Both ports Off At The Same Time is the only way to be certain the node 
> is not staying up due to timing issues. Keeping this in your 
> cluster.conf puts your data at risk.
>
> If the UI component is writing something improper to the configuration 
> file regarding fencing (or any other cluster parameter), please file a 
> bugzilla ticket and include your conga version number, your conf file, 
> and a screen shot if you can. If conga is messing up fence 
> configuration, it will be addressed with a very high priority.
>
> Regards,
>
> -Jim
>
>
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