[THIN] Re: OT - UPS and dual power supply servers
- From: "Lee, David (CITY TREASURY)" <David.Lee@xxxxxxxxxxxxxxx>
- To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
- Date: Wed, 14 May 2003 09:23:21 +0100
I had seen this functionality was available with PowerChute business
edition, the only snag being that all intermediate hubs / switches etc will
also need to be on UPS power. Compared to a direct serial connection,
relying on a master server and network comms seems to introduce multiple
points of failure?
-----Original Message-----
From: Steve Greenberg [mailto:steveg@xxxxxxxxxxxxxx]
Sent: 14 May 2003 02:45
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT - UPS and dual power supply servers
The recent versions of APC software I have seen can control and =
communicate
with the UPS and servers over the network. You should be able to set one =
UPS
and one Server up as the master which sense a power outage and then have =
all
the others shutdown automatically via network communications...
Steve Greenberg
Thin Client Computing
34522 N. Scottsdale Rd. suite D8453
Scottsdale, AZ 85262
(602) 432-8649
(602) 296-0411 fax=20
steveg@xxxxxxxxxxxxxx
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On =
Behalf
Of Lee, David (CITY TREASURY)
Sent: Monday, May 12, 2003 3:44 AM
To: Thin client listserve (E-mail)
Subject: [THIN] OT - UPS and dual power supply servers
Our Citrix and intranet servers use Dell PowerEdge 1650 hardware, =
equipped
with dual power supplies, which were built into the racking by a third =
party
supplier along with several APC 3000i UPS. Interestingly, none of the
servers run PowerChute or have a serial port connection to any UPS, =
hence in
a full power cut situation will not automatically shut down (haven't had =
to
test this yet!). =20
To correct this, I was intending to simply connect each server to a UPS
serial expander card and install the Powerchute software. However, each
server power supply has been connected to a different UPS, presumably as =
a
redundancy measure, so I guess I'll need a serial connection to each =
UPS.
Can Powerchute can deal with this sort of dual power supply / UPS
configuration, or do I need something else? The knowledgebase and
documentation on the APC and Dell sites are not much help - really I'm
looking for a document which describes best practice for redundant power
supplies and UPS equipment. Any thoughts?
Thanks in advance
David Lee
Systems Engineer
City Treasury
Plymouth City Council
Civic Centre
PL1 2AA
Tel: (01752) - 304218
DISCLAIMER
"The views expressed in this message are personal and must not be =
considered
to be the official views of Plymouth City Council."
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