Re: [ClusterLabs] When the DC crmd is frozen, cluster decisions are delayed infinitely

2016-09-07 Thread Shermal Fernando
The whole cluster will fail if the DC (crm daemon) is frozen due to CPU starvation or hanging while trying to perform a IO operation. Please share some thoughts on this issue. Regards, Shermal Fernando -Original Message- From: Klaus Wenninger [mailto:kwenn...@redhat.com] Sent:

Re: [ClusterLabs] When the DC crmd is frozen, cluster decisions are delayed infinitely

2016-09-05 Thread Klaus Wenninger
On 09/03/2016 08:42 PM, Shermal Fernando wrote: > > Hi, > > > > Currently our system have 99.96% uptime. But our goal is to increase > it beyond 99.999%. Now we are studying the > reliability/performance/features of pacemaker to replace the existing > clustering solution. > > > > While testing

[ClusterLabs] When the DC crmd is frozen, cluster decisions are delayed infinitely

2016-09-03 Thread Shermal Fernando
Hi, Currently our system have 99.96% uptime. But our goal is to increase it beyond 99.999%. Now we are studying the reliability/performance/features of pacemaker to replace the existing clustering solution. While testing pacemaker, I have encountered a problem. If the DC (crm daemon) is