-----Ursprüngliche Nachricht----- Von: Florian Haas <florian.h...@linbit.com> Gesendet: 25.03.2010 16:23:59 An: The Pacemaker cluster resource manager <pacemaker@oss.clusterlabs.org> Betreff: Re: [Pacemaker] Someone using ibmrsa-telnet external stonith plugin?
>On 03/25/2010 04:09 PM, Andreas Mock wrote: >> Hi all, >> >> is there someone using the external stonith plugin 'ibmrsa-telnet'? >> >> I found some issues introduced by modifications of other contributors >> in the currect version. > >Such as? a) ha_log.sh is used to send debug messages. It is called as bash command line without escaping dangerous characters. This leads to unwanted file creation in the directory /var/lib/heartbeat/cores/root/ (replicateable) b) The regex pattern for the expect command don't match. So the communication doesn't work as originally intended. I contacted the contributor of that piece of code. He found that error early after his contribution, but the error correction went to /dev/null somehow. >I am beginning to believe that everyone should start using IPMI, and >spare themselves of these proprietary out-of-band nightmares. There are some questions regarding this: a) Has anyone made experiences with using IPMI through the stack running on the OS. If I understand it right then OpenIPMI provides this kind of in-band-communication. My understanding of STONITH was that there has to be a way to kill a node WITHOUT a dependency on the node's health. Is it safe to use the IPMI interface provided by a daemon running in the OS of the node I want to shoot? b) The newer IMM supports IPMI through the out-bound-communication over the IMM ip address. RSA II does not have this option as far as I know (updates welcome) what has been the reason for writing this telnet-beast. ;-) c) Which stonith agent is the "better" one 'ipmilan' or 'external/ipmi'? Enlighting informations very welcome. Best regards Andreas Mock
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