On 19 Mar 2014, at 1:18 am, Leon Fauster <leonfaus...@googlemail.com> wrote:
> Am 18.03.2014 um 00:02 schrieb Andrew Beekhof <and...@beekhof.net>: >> >> On 17 Mar 2014, at 11:26 pm, Gianluca Cecchi <gianluca.cec...@gmail.com> >> wrote: >> >>> On Mon, Mar 17, 2014 at 12:19 AM, Alex Samad - Yieldbroker wrote: >>>> Hi >>>> >>>> >>>> >>>> I am in the process of migrating away from the pcmk plugin for corosync >>>> and converting to cman. >>>> >>>> So from what I gather its >>>> >>>> Pacemaker -> cman -> corosync >>>> >>>> Can I still configure corosync with /etc/corosync/corosync.conf >>>> >>>> I want to change from multicast to udpu or is there a way to do that from >>>> crm or pcs ? >>>> >>>> Alex >>> >>> Hello, >>> is this for targeting the long run or for RHEL 6 itself? >>> I ask because I found that in RH EL 7 beta docs it seems that actually >>> cman is out completely and there is again corosync... ;-) >> >> Even with "cman" you're still using corosync, just in a particular way. >> Essentially cman is just a corosync plugin that exposes a specific API. >> >> By having pacemaker use the cman API on RHEL6 we were able to minimise the >> support >> overhead (since all the testing they do for rgmanager still applied), which >> is what >> made it possible for pacemaker to become supported prior to RHEL7. > > > > this may be rational but the question is if the process from the point of the > administration > will change in RHEL (dropped cman support??), despite cman's internal use of > corosync right now. "If you're using pcs, then you should hardly notice any difference." > > Even with the abstraction via pcs - the internals will change. This is > so far import to get the mental model correctly - literally this means > /etc/cluster/cluster.conf vs. /etc/corosync/corosync.conf or do i miss > something? There is no need to know about either file. Both are created/updated via pcs.
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