Hi there,
we have 2 R630 servers with redundant PSUs powered by a Dell Smart UPS 3000. One of each servers' PSU is connected to the UPS, one to the normal grid power.
During power loss, the servers are shut down gracefully by PowerChute. When grid power returns, they already start up before the UPS provides power (before the Return Delay has run off). That means if another power loss occurs, they will be shut down hard.
How can I configure the servers to start only when power returns to the PSUs connected to the UPS? Can I somehow set a leading PSU here? The 'primary PSU' setting in iDRAC power configuration/hot spare doesn't do the thing.
Appreciate your help.