[Linux-HA] stonith device AP7920
debltc at us.ibm.com
Thu Oct 6 06:30:00 MDT 2005
Werner Fischer wrote:
>>>The apcmastersnmp STONITH plugin has been tested with the AP7920. Enjoy.
>>Thank you for your answer I 'm going to buy one....
>Keep in mind that this power switch can become a SPOF (as it has only
>one power inlet!). If this single power-cable to the power switch fails,
>everything is down. So if you need to buy a new power switch, I would
>choose a different one.
>For details about situations where a power switch can become a SPOF,
>look at these postings:
>After that discussion, I think that a WTI NPS-230 (see
>http://www.wti.com/nps230.htm) would be much better for using in a
>HA-cluster as it seems to be fully redundant (I think Alan suggested it
>somewhere in the discussion above, but I didn't find the posting). This
>power switch allows you to user two independent power circuits. So you
>can connect each node (if it has dual power supplies) to both power
>circuits and you are still able to use it with STONITH.
>As far as I know, the WTI NPS-230 is supported by Heartbeat/STONITH.
Correct, the wti_nps STONITH plugin works with the NPS-230...
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