Re: [ClusterLabs] corosync/pacemaker on ~100 nodes cluser

2016-08-25 Thread Kai Dupke
On 08/23/2016 06:26 PM, Radoslaw Garbacz wrote: > I would like to ask for settings (and hardware requirements) to have > corosync/pacemaker running on about 100 nodes cluster. Not bad ... For the SUSE HA offering we limit support to 32 nodes because after this the timing gets so critical that we

Re: [ClusterLabs] corosync/pacemaker on ~100 nodes cluser

2016-08-24 Thread Radoslaw Garbacz
Hi, Thank you for the advice. Indeed, seems like Pacemaker Remote will solve my big cluster problem. With regard to your questions about my current solution, I scale corosync parameters based on the number of nodes, additionally modifying some of the kernel network parameters. Tests I did let me

Re: [ClusterLabs] corosync/pacemaker on ~100 nodes cluser

2016-08-23 Thread Ken Gaillot
On 08/23/2016 11:46 AM, Klaus Wenninger wrote: > On 08/23/2016 06:26 PM, Radoslaw Garbacz wrote: >> Hi, >> >> I would like to ask for settings (and hardware requirements) to have >> corosync/pacemaker running on about 100 nodes cluster. > Actually I had thought that 16 would be the limit for full

Re: [ClusterLabs] corosync/pacemaker on ~100 nodes cluser

2016-08-23 Thread Klaus Wenninger
On 08/23/2016 06:26 PM, Radoslaw Garbacz wrote: > Hi, > > I would like to ask for settings (and hardware requirements) to have > corosync/pacemaker running on about 100 nodes cluster. Actually I had thought that 16 would be the limit for full pacemaker-cluster-nodes. For larger deployments