>>> Digimer <li...@alteeve.ca> schrieb am 10.02.2016 um 17:32 in Nachricht <56bb6637.6090...@alteeve.ca>: > On 10/02/16 02:40 AM, Ulrich Windl wrote:
[...] >>> If fencing fails or is not configured, DLM never unblocks and anything >>> using it is left hung (by design, better to hang than risk corruption). >>> >>> One of many reasons why fencing is critical. >> >> I'm not deeply in DLM, but it seems to me DLM can run standalone, or in the >> cluster infrastructure (we only use it inside the cluster). When running >> standalone, it makes sense that DLM has ist own fencing, but when running >> inside the cluster infrastructure, I'd expect tha tthe cluster's fencing >> mechanisms are used (maybe just because if the better logging of reasons). > > To be clear; DLM does NOT have it's own fencing. It relies on the > cluster's fencing. OK, is this true for cLVM and O2CB as well? I always felt some of those is doing a fencing themselves as soon as they fail to communicate with DLM. So the first guess was it's DLM... > > -- > Digimer > Papers and Projects: https://alteeve.ca/w/ > What if the cure for cancer is trapped in the mind of a person without > access to education? > > _______________________________________________ > Users mailing list: Users@clusterlabs.org > http://clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Users mailing list: Users@clusterlabs.org http://clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
