Re: Q: Avoid resource restart after configuration change
Andrew Beekhof <[email protected]> Wed, 3 Dec 2014 16:45:44 +1100
| Newsgroups | gmane.linux.highavailability.user |
|---|---|
| Message-ID | <[email protected]> |
> On 1 Dec 2014, at 7:46 pm, Ulrich Windl <[email protected]> wrote: > > Hi! > > I'd like to change a resource's configuration, but don't want a restart of the resource. That is, I want the configuration to be effective the next time the resource is started. > > I know in general it doesn't make sense, but for cLVM it does: Per default debug logging is on and it floods the syslog with junk. > If I want to turn off debug logging, I'll have to pass an extra parameter to clvmd, or I could do "clvmd -d0 -C" to fix the problem until next resource start. > > As cLVMd is clones to all nodes in the cluster, a configuration change would effectively halt the whole cluster (all users of cLVM). I want to avoid that. As you can see, I can change the running resources, and I can configure the resources to be fine next time they restart. > > So all I need is way to prevent a restart of clvmd when changing its resource configuration. You could make it in a scratch copy of the cib, note the new digests in the status section and include those in your update. Alternatively, use maintenance-mode and crm_resource -C _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems