No, the guests do NOT "shut down cleanly" just because you stopped or shut down the hypervisor.
You want to talk about "standards" in regard to UPS signaling behaviour?! Which of the dozen or so standards would you like to discuss?
Mike wrote:
Chuck Stickelman wrote:So what I hear you say is: Hook the UPS to the physical machine Have the host OS monitor the UPS's state When the UPS signals the host it sends a SIGHUP to the Virtual Machines The VMs should then interpret the SIGHUP as a Shutdown command Is that what you had in mnd? Does anyone know if that's how it works? ChuckYes.The signal may depend on the VM design though. I would hope they have used enough sense to honor some standard.This really is a near trivial problem. The guests shutdown cleanly during a normal shutdown, yes? Why should a shutdown instituted by UPS software or even admin written (monitoring) scripts be any different?MikeTo unsubscribe send to ncolug-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field.
--"Perception is strong and sight weak. In strategy it is important to see distant things as if they were close and to take a distanced view of close things." Miyamoto Musashi (1584-1645)
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