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Re: [Linux-cluster] Fencing using APC7921



James Lapthorn wrote:

I use RSA II cards as my primary fencing device on my IBM 3850's. After some modifications to the 'fence_rsa' script it now recognises 'WMN170370264' as the default card name.

Hi James - which version of cluster suite are you running? fence_rsa was recently modified to handle prompts other than the default...I wonder if this is what you encountered. The fix went out in the rhel5 distribution, and will be in rhel4 update 5. If there is something else amiss with the rsa agent, please consider filing a bugzilla for it - or maybe you could send me the patch you applied? I would like to keep that agent as current as possible.



My secondary fencing device is and APC Power Switch APC7921. This is not a Masterswitch plus so there are two APC7921's, one for each POwer supply. When testing the the device using the following command:

fence_apc -a 10.179.20.52 <http://10.179.20.52> -l apc -p apc -n 4 -v

I get:

failed: unrecognised menu response

In your apc fence log, the problem appears to be the agent not recognizing the custom names you have set up for the outlets. The latest version of the fence_apc agent (which was heavily refactored - completely re-written from the ground up, actually) should handle custom outlet names...the only problem is - once you change the default name from 'Outlet 4' to 'leoukldb3 ', you have to use that name. If you are running the latest agent (it is written in python instead of perl, like the original agent), could you please try re-running the command above with the following args?

fence_apc -a 10.179.20.52 <http://10.179.20.52> -l apc -p apc -n leoukldb3 -v ?

If you have the older perl agent installed in /sbin with the distribution that you are running, then I am sorry, but the agent will be confused by the custom names - one way to fix it fast and test the fix is to telnet directly into your apc switch and change the name of outlet 4 to 'Outlet 4'.

-Jim


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