On 03/25/2010 10:28 PM, Andreas Mock wrote: > -----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)
Ack. > 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. Crap. Well still, thanks for being persistent. Split into two changesets and pushed. Please, as a general rule, when you make more than one logical change, send more than one patch. It makes tracking down issues a whole lot easier if we can actually use hg bisect for what it's good for. >> 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? I never use this, and only rely on out-of-band IPMI for obvious reasons. > 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. ;-) OK, I see. > c) Which stonith agent is the "better" one 'ipmilan' or 'external/ipmi'? "Yes". I tend to prefer external/ipmi. Cheers, Florian
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