Last week we had the HP Gen8 server release, yesterday we had DELL 12th Generation PowerEdge Servers release. There are many features both vendors have been working on at the same time. I’m thinking out of the OS hardware monitoring and management and some kind of read/write SSD caching. I’ll do some posting on this later when I have a decent match between the 2 (and versus EMC VFCache offcourse).
One of the other things I noticed is the power consumption technology DELL has developped. We know that DELL always works on the GreenIT so I was wondering what was new. One of the new power saving technologies is now the Hot Spare PSU (power supply unit). It means that you have the ability to enable this feature on one of the redundant power supplies and that the server will handle it as a hot-standby.
So here’s is a picture how the load is normally distributed between 2 active power supplies: