Hello everybody, I'm posting first time on this mailing list for an advice.
I try actually trying to build a cluster on Centos 7. The cluster has 3 nodes : - 1 virtual machine (machine1). This machine is supposed to be high-available - 2 physical machines identical (machine2 and 3) The physical machines are supposed to use DRBD to replicate storage. A shared volume is going to be mounted on both machine 2 and 3 in read/write (gfs2). The virtual machine is only here for the vote in the qorum, it has no data . I m' following this guide : http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html/Clusters_from_Scratch/index.html My questions are : - Is this configuration OK or shoud I better go to a 2 node only cluster ? - Is there a way to "group" the storage machines 2 and 3 and put some ressources (like DRBD and GFS2) only on them ? So that the machine 1 is here , but does nothing, just vote. I looked around in the pcs command line option but maybe i missed it. Thanks in advance Regards Nicolas.
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