>>> Lars Marowsky-Bree <[email protected]> schrieb am 03.12.2013 um 15:34 in Nachricht <[email protected]>: > On 2013-12-02T09:22:10, Ulrich Windl <[email protected]> wrote: > >> >> No! >> > >> > Then it can't work. Exclusive activation only works for clustered volume >> > groups, since it uses the DLM to protect against the VG being activated >> > more than once in the cluster. >> Hi! >> >> Try it with "resource-agents-3.9.4-0.26.84": it works; with > "resource-agents-3.9.5-0.6.26.11" it doesn't work ;-) > > You thought it was working, but in fact it wasn't. ;-)
"working" meaning "the resource started". "not working" meaning "the resource does not start" You see I have minimal requirements ;-) > > Or at least, not as you expected. > >> You could argue that it never should have worked. Anyway: If you want >> to activate a VG on exactly one node you should not need cLVM; only if >> you man to activate the VG on multiple nodes (as for a cluster file >> system)... > > You don't need cLVM to activate a VG on exactly one node. Correct. And > you don't. The cluster stack will never activate a resource twice. Occasionally two safty lines are better than one. We HAD filesystem corruptions due to the cluster doing things it shouldn't do. > > You need cLVM if you want LVM2 to enforce that at the LVM2 level - > because it does this by getting a lock on the VG/LV, since otherwise > LVM2 has no way of knowing if the VG/LV is currently active somewhere > else. And this is what "exclusive=true" turns on. > > If you don't want that to happen, exclusive=true is not what you want to > set. That makes sense, but what I don't like is that I have to mess with local lvm.conf files... All the best, Ulrich > > > Regards, > Lars > > -- > Architect Storage/HA > SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, > HRB 21284 (AG Nürnberg) > "Experience is the name everyone gives to their mistakes." -- Oscar Wilde > > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
