Thoughts, comments and suggestions welcome! Does everyone simply have endless backup generators so their VMWare Server farm remains operational during extended power loss? It doesn't seem to come up on the forums very often and I'm curious to know why. I am extremely interested to hear how these problems are being addressed in the community. As soon as DRS / HA move a VM to another ESX host, the power on configuration is lost for that Guest VM.Īt this stage we are considering a scripting option possibly from the VCMS server (a physical server).
When power is restored, we have been unable to find a way to perform an automatic start up of the VMs in a specific order whilst still utilising VMWare HA and DRS. Obviously the UPS software will have shutdown the VMWare Guests (and hopefully the host environment and SAN). Say the extended power loss results in the battery being depleted. Tied closely to this problem is the problem of Virtual Machine startup.
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We have customers who expect full certification in their solutions and I fully agree. What is everyone else doing in this regards. We have been extremely unsuccessful in identifying UPS vendors who actually support the ESX environment - Some ask what is VMWare? We would like to compile a list of certified UPS vendors whose software firstly installs natively into ESX without compiling or installing first on another PC.
This procedure is obviously not a supported approach and I believe a real risk for server instability. This forum has several posts regarding the APC powerchute software which involves installing Redhat 7.2 performing the installation and then "installing" the necessary files into the ESX COS. VMWare runs perfectly using fully certified IBM servers and SANs however we run into problems during extended periods of power loss. I have recently participated in an ESX pilot project involving 1 x VCMS server, 2x ESX 3.5 servers and an APC UPS.