On 30/09/14 03:14 PM, John R Pierce wrote: > On 9/30/2014 12:07 PM, Valeri Galtsev wrote: >> The only thing that stopped me from doing that was: you can only use each >> UPS up to a half of its spec'ed current drain. > > same as any other HA solution. active/standby servers, you're only > using the compute power of the active server, the standby server is > sitting there waiting for a catastrophe. redundant LAN or SAN > switches, etc etc. Exactly... HA has to cover the full stack. That said, most of our installs have loads on both nodes (multiple VMs, some on node 1, some on node 2). Like the UPSes though, each node itself has to have sufficient capacity to run everything. :) -- Digimer Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is trapped in the mind of a person without access to education?