Hello Parth, Did you test if the VM can be manually moved to "Host 5"? Please let me know.
Regards, Abhisek Sent from my iPhone > On 24-Feb-2018, at 10:44 PM, Parth Patel <parthpatel2...@gmail.com> wrote: > > Hi, > > I am developing an enterprise-level cloud infrastructure currently using > Cloudstack 4.9. My head of department wished to check a specific failsafe > scenario. It is as follows: > > A highly available VM whose continuous execution even in event of some > storage or connection error, should remain running or migrate to another > host automatically if anything were to happen to the current host. I tried > removing the LAN cable from the current host after an HA-enabled VM was > executing on it, but the management server would not auto-start the VM on > another host. It kept printing error messages such as "Communication > failure. Host 5 timed out due to even PingTimeout" in management server > logs. I have manually set the ping timeout duration to 30 seconds and its > multiplier value to 1. > > Any suggestions as to what extra configuration is needed to make Cloudstack > start the VM on another host or migrate it? > > Just to be clear, the host on which the HA-enabled VM is running does not > have its primary and secondary storage added to the management server, so > the primary and secondary storage disks on NFS shares are already available > to the management server if it decides to start the instance on another > suitable host (of which there are 2). > > I tried searching some feature like this in Cloudstack administration docs > but could not find anything fitting to this scenario. > > Regards, > Parth Patel