csquire commented on issue #2890: KVMHAMonitor thread blocks indefinitely while NFS not available URL: https://github.com/apache/cloudstack/issues/2890#issuecomment-433081781 When you block NFS on a host, eventually all the agentRequest-Handler and UgentTask threads gradually hang as well. It seems after the last UgentTask handler thread hangs, is about the time the host is marked as Down. [threaddump.txt](https://github.com/apache/cloudstack/files/2515449/threaddump.txt)
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