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Subject [GitHub] [cloudstack] luhaijiao commented on issue #3505: Agent LB for CloudStack failed
Date Wed, 21 Aug 2019 04:26:56 GMT
luhaijiao commented on issue #3505: Agent LB for CloudStack failed
URL: https://github.com/apache/cloudstack/issues/3505#issuecomment-523290149
 
 
   in our hyper converaged architecture,  the management servers are deployed in the same
host with guest VMs.   
   
   Assume primary management server A# running on host 1# with other guest VMs,  and backup
managment sever on host 2#. 
   
   In case that host 1# is in outage,  due to this 'bug',  the backup management server will
not be active till 15 mins later,  hence during this period(N+15 mins),   all guest VMs running
on host 1# will not be able to trigger HA and migrate to other available hosts since there's
no management server takes over and becomes alive. 
   
   This means those guest VMs on host 1# will be down forever unlesss manual intervention
taken.
   
   Would appreciate if community can optmize the MS fail-over performance,  ideally,  1 min
or less would be nice. 
   
   
   

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