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

回复