On 19 Dec 2013, at 6:54 pm, Nikita Staroverov <nsfo...@gmail.com> wrote:
> >> Please see: >> >> https://access.redhat.com/site/articles/36302 >> >> If you don't have an account, the relevant part is: >> >> "Usage of fence_manual is not supported in any production cluster. You may >> use this fence agent for development or debugging purposes only." > > I wrote about fence_ack_manual, not about fence_manual. fence_ack_manual > isn't a fence agent, it's confirmation tool like stonith_admin -C. >>> 2. Pacemaker notifies CMAN about real fencing, why not about manual >>> confirmations? It's bug, i'm sure. There is no-one to tell yet. We have to wait for cman to decide something needs fencing before pacemaker can perform the notification. >> >> Perhaps, I can't speak to pacemaker's behaviour. > Ok. I'll think that it's not a bug, but feature request. >> >>> 3. I use real fencing. Manual fencing needed in rare situations, like >>> problem with IPMI controller, lost power or so. What should >>> administrator do without manual confirmations? :) >> >> Fencing should loop until it succeeds. Fix the problem, fence_ack_manual if >> that's not possible or, ideally, use multiple fence methods (I use IPMI on >> one switch and switched PDUs on another switch for redundancy). >> > I have two datacenters joined with fast links, i have syncronous replication > so server groups in two separate datacenters forms clusters. > if one campus burned with own fencing devices in a whole how i must fix this? > In some situations administrator needs of simple and fast manual confirmation > or it's not a high availability. > > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org
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_______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
