[THIN] Re: OT: 1 power bar - 2 UPS

  • From: "Steve Greenberg" <steveg@xxxxxxxxxxxxxx>
  • To: <thin@xxxxxxxxxxxxx>
  • Date: Mon, 19 Jul 2004 12:04:56 -0700

It's mostly used for servers with redundant power supplies, if one leg of
power goes down the server stays up on the second leg..... 


Steve Greenberg
Thin Client Computing
34522 N. Scottsdale Rd. suite D8453
Scottsdale, AZ 85262
(602) 432-8649
(602) 296-0411 fax 
steveg@xxxxxxxxxxxxxx


-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Jeff Malczewski
Sent: Monday, July 19, 2004 11:24 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT: 1 power bar - 2 UPS

Hrmmm...  Learn something new every day, I guess..  LOL   I've got
about a dozen different PDUs here from APC and Best, and none of them have
that feature...  ??

I can definitely see where this would be handy in certain situations, but,
the fact remains that with only a single power supply, you still have a
single point of failure, no matter the number of UPS's that are feeding it
(not that this "Y cable" would solve the problem, either...).



On Mon, 19 Jul 2004 11:15:06 -0700, Steve Greenberg <steveg@xxxxxxxxxxxxxx>
wrote:
> 
> Many PDU's have multiple inputs, i.e. plug one side into one UPS and 
> one side into the other. Plug the server and accessories into the 
> power strip section, the devices will load balance across the two 
> UPS's and if one of the UPS's fails, the devices do not go down.
> 
> I guess a simple Y cord would work too, not sure how the load would 
> distribute across the UPS's, may not matter.
> 
> 
> Steve Greenberg
> Thin Client Computing
> 34522 N. Scottsdale Rd. suite D8453
> Scottsdale, AZ 85262
> (602) 432-8649
> (602) 296-0411 fax
> steveg@xxxxxxxxxxxxxx
> 
> 
> 
> 
> -----Original Message-----
> From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On 
> Behalf Of Jeff Malczewski
> Sent: Monday, July 19, 2004 10:21 AM
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Re: OT: 1 power bar - 2 UPS
> 
> No, Steve, he doesn't want a PDU, he wants to go the other way..  He 
> wants two inputs into a single power supply in his server, not a 
> glorified power strip...  Basically take the end of a power cable that 
> plugs into your server and put that on one end, and then split into 
> two cables with prongs to plug into two different wall (or in this case,
UPS) recepticles.
> 
> On Mon, 19 Jul 2004 12:55:46 -0400, Pavlo Ignatusha 
> <pignatusha@xxxxxxxxxxxxx> wrote:
> > Thanks everybody responded. I'm on my way to buy!
> >
> > Thanks,
> >
> > Pavlo Ignatusha
> > Systems and Network Coordinator
> > Pembroke General Hospital
> > Tel. (613) 732-3675 ext.6150
> > Fax. (613) 732-9986
> > www.pemgenhos.org
> >
> > "All that matters is love and work" - Sigmund Freud.
> >
> >
> >
> >
> > -----Original Message-----
> > From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx]On
> > Behalf Of Steve Greenberg
> > Sent: Monday, July 19, 2004 12:48 PM
> > To: thin@xxxxxxxxxxxxx
> > Subject: [THIN] Re: OT: 1 power bar - 2 UPS
> >
> > This is called a Power Distribution Unit and is available from many 
> > different manufacturers such as APC. Someone mentioned a Pulazzi, 
> > this is an excellent unit as well.
> >
> > Steve Greenberg
> > Thin Client Computing
> > 34522 N. Scottsdale Rd. suite D8453
> > Scottsdale, AZ 85262
> > (602) 432-8649
> > (602) 296-0411 fax
> > steveg@xxxxxxxxxxxxxx
> >
> > -----Original Message-----
> > From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] 
> > On Behalf Of Pavlo Ignatusha
> > Sent: Monday, July 19, 2004 6:25 AM
> > To: Org Thin (E-mail)
> > Subject: [THIN] OT: 1 power bar - 2 UPS
> >
> > Hi group,
> >
> > Sorry for the off-topic post but I think I'm not alone in this search.
> >
> > I have some equipment in my server room that has no redundant power
> supply.
> > Some of it is wireless phones and paging equipment that everybody 
> > expect to be always available. Is there a power bar that I can 
> > connect to 2 different UPS at the same time? This way if 1 of my UPS 
> > goes down and I need to replace it I don't have to shut it all down?
> >
> > Thanks,
> >
> > Pavlo Ignatusha
> > Systems and Network Coordinator
> > Pembroke General Hospital
> > Tel. (613) 732-3675 ext.6150
> > Fax. (613) 732-9986
> > www.pemgenhos.org
> >
> > "All that matters is love and work" - Sigmund Freud.
> >
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********************************************************
This weeks sponsor Emergent Online Thinssentials Utilities
Using the latest software, hardware, networking technologies, proven technical 
expertise, proprietary software and best practices, EOL provides 
custom-tailored solutions for each client?s mission and specific goals.
http://www.go-eol.com
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Useful Thin Client Computing Links are available at:
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