nanog mailing list archives
Re: Want to move to all 208V for server racks
From: Joel Jaeggli <joelja () bogus com>
Date: Fri, 3 Dec 2010 20:10:38 -0800
Your battery stack isn't like 12v either, unless it's one battery. Joel's widget number 2 On Dec 3, 2010, at 20:02, Jima <nanog () jima tk> wrote:
On 12/3/2010 9:25 PM, Matthew Petach wrote:(OK, so it's not as practical when you have other customers to worry about... but it might not be so crazy when you're looking at the efficiency numbers for 100,000 small 1u power supplies vs a set of much larger ones.)Particularly if you're running your AC power through UPSes -- especially online ones (where there's a constant AC-DC-AC conversion happening). Go to DC for the batteries, never come back. It's a tempting notion. Jima
Current thread:
- Re: Want to move to all 208V for server racks, (continued)
- Re: Want to move to all 208V for server racks Kevin Stange (Dec 03)
- Re: Want to move to all 208V for server racks Jay Ashworth (Dec 03)
- Re: Want to move to all 208V for server racks Valdis . Kletnieks (Dec 03)
- Re: Want to move to all 208V for server racks Joel Jaeggli (Dec 03)
- Re: Want to move to all 208V for server racks Matthew Petach (Dec 03)
- Re: Want to move to all 208V for server racks Joel Jaeggli (Dec 03)
- Re: Want to move to all 208V for server racks Adrian Chadd (Dec 03)
- Re: Want to move to all 208V for server racks Owen DeLong (Dec 03)
- Re: Want to move to all 208V for server racks Gary Buhrmaster (Dec 04)
- Re: Want to move to all 208V for server racks Jima (Dec 03)
- Re: Want to move to all 208V for server racks Joel Jaeggli (Dec 03)
- Re: Want to move to all 208V for server racks Jima (Dec 03)
- Re: Want to move to all 208V for server racks Jay Ashworth (Dec 03)
- Re: Want to move to all 208V for server racks Michael Loftis (Dec 04)
- Re: Want to move to all 208V for server racks Jay Ashworth (Dec 04)
- Re: Want to move to all 208V for server racks Michael Loftis (Dec 04)
- Re: Want to move to all 208V for server racks Ingo Flaschberger (Dec 04)
- Re: Want to move to all 208V for server racks Kevin Oberman (Dec 04)
- Re: Want to move to all 208V for server racks Michael Painter (Dec 04)
- Re: Want to move to all 208V for server racks Lamar Owen (Dec 06)
- Re: Want to move to all 208V for server racks Gary Buhrmaster (Dec 04)