On Tue, May 10, 2011 at 4:06 PM, Digimer <linux@xxxxxxxxxxx> wrote: > On 05/10/2011 09:33 AM, Andrew Beekhof wrote: >> On Tue, May 10, 2011 at 2:33 PM, Tomas Kouba <koubat@xxxxxx> wrote: >>> Hello HA magicians, >>> >>> I would like to bring our services to a more reliable level and I was >>> googling around some >>> basic information about RH cluster suite. >>> I am not quite able to answer 2 questions so I'd like to ask here: >>> >>> 1) What is the starting documentation that you would recommend to a linux >>> administrator who would >>> like to setup a HA cluster? I have found >>> http://www.linuxtopia.org/online_books/rhel6/rhel_6_cluster_admin/ >>> is it good even though I use clone of RHEL? (Scientific Linux 6). >>> >>> 2) Which resource manager would you recommend? rgmanager or pacemaker? >>> The following pages favor pacemaker but the documentation usually says >>> rgmanager: >>> http://www.spinics.net/lists/cluster/msg16401.html >>> http://sources.redhat.com/cluster/wiki/RGManagerVsPacemaker >> >> Well I'm going to say Pacemaker + >> http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Clusters_from_Scratch/ >> But then you'd expect that since I wrote both :-) >> >> I think its fair to say that Pacemaker is better than rgmanager, but >> the stars didn't align in time for RHEL6.0 so full support wasn't an >> option. That said, you're using SL6 so community support on mailing >> lists such as this one might well be sufficient. >> >> Oh, but the cluster GUI only supports rgmanager if thats important to you. >> Pacemaker does have a shiny integrated CLI though. > > I'd agree with Andrew that Pacemaker is better, but I'd also say that > rgmanager has it's bright spots, too. :) No argument there. > Pacemaker is far more flexible with regard to the resource management > side of things, and rgmanager will be phased out over the next few years > in favour of pacemaker. > > The two biggest arguments I'd make in favour of rgmanager are; If your > resource managements needs are within it's capabilities and you are > running RHCS, then it can be configured within the main cluster.conf > file. It is also an old and well tested solution, which some find value in. Pacemaker will be celebrating its 8th anniversary this year. So it's not a spring chicken either ;-) -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
