I need 2 clusters to be running independently of each other on same node. -Nikhil
On Wed, Mar 22, 2017 at 6:36 PM, Ulrich Windl < ulrich.wi...@rz.uni-regensburg.de> wrote: > >>> Nikhil Utane <nikhil.subscri...@gmail.com> schrieb am 22.03.2017 um > 11:23 in > Nachricht > <cagnwmjwq1bbs-mzzuw3losv3e+ff-l7kyzbevnzhd7jrn-b...@mail.gmail.com>: > > Hi Ulrich, > > > > It's not an option unfortunately. > > Our product runs on a specialized hardware and provides both the services > > (A & B) that I am referring to. Hence I cannot have service A running on > > some nodes as cluster A and service B running on other nodes as cluster > B. > > The two services HAVE to run on same node. The catch being service A and > > service B have to be independent of each other. > > > > Hence looking at Container option since we are using that for some other > > product (but not for Pacemaker/Corosync). > > But why do you need two pacemakers then? > > > > > -Regards > > Nikhil > > > > > > On Wed, Mar 22, 2017 at 12:41 PM, Ulrich Windl < > > ulrich.wi...@rz.uni-regensburg.de> wrote: > > > >> >>> Nikhil Utane <nikhil.subscri...@gmail.com> schrieb am 22.03.2017 um > >> 07:48 in > >> Nachricht > >> <CAGNWmJV05-YG+f9VNG0Deu-2xo7Lp+kRQPOn9sWYy7Jz=0g...@mail.gmail.com>: > >> > Hi All, > >> > > >> > First of all, let me thank everyone here for providing excellent > support > >> > from the time I started evaluating this tool about a year ago. It has > >> > helped me to make a timely and good quality release of our Redundancy > >> > solution using Pacemaker & Corosync. (Three cheers :)) > >> > > >> > Now for our next release we have a slightly different ask. > >> > We want to provide Redundancy to two different types of services (we > can > >> > call them Service A and Service B) such that all cluster communication > >> for > >> > Service A happens on one network/interface (say VLAN A) and for > service B > >> > happens on a different network/interface (say VLAN B). Moreover we do > not > >> > want the details of Service A (resource attributes etc) to be seen by > >> > Service B and vice-versa. > >> > > >> > So essentially we want to be able to run two independent clusters. > From > >> > what I gathered, we cannot run multiple instances of Pacemaker and > >> Corosync > >> > on same node. I was thinking if we can use Containers and run two > >> isolated > >> > >> You conclude from two services that should not see each other that you > >> need to instances of pacemaker on one node. Why? > >> If you want true separation, drop the VLANs, make real networks and two > >> independent clusters. > >> Even if two pacemeaker on one node would work, you habe the problem of > >> fencing, where at least one pacemaker instance will always be surprised > >> badly if fencing takes place. I cannot imaging you want that! > >> > >> > instances of Pacemaker + Corosync on same node. > >> > As per https://github.com/davidvossel/pacemaker_docker it looks > do-able. > >> > I wanted to get an opinion on this forum before I can commit that it > can > >> be > >> > done. > >> > >> Why are you designing it more complicated as necessary? > >> > >> > > >> > Please share your views if you have already done this and if there are > >> any > >> > known challenges that I should be familiar with. > >> > > >> > -Thanks > >> > Nikhil > >> > >> > >> > >> > >> > >> _______________________________________________ > >> Users mailing list: Users@clusterlabs.org > >> http://lists.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://lists.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 >
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