I have a powerswitch that I've never even plugged in because of this
very problem. If anyone wants it make me an offer.
Bill
Matt wrote:
Chris Ulrich wrote:
Second, we've about given up on a reasonably priced reboot solution.
Yes, APC has managed powerswitches, but for us, we UPS each machine
so "pulling the plug" on one outlet (how the powerswitches reboot a
machine) is pointless because the UPS between the powerstrip and the
PC keep it up.
I guess we could do one UPS followed by the powerstrip followed by
the servers, but what kind of UPS would you need to keep 8 mini-tower
Dell Poweredges
(300 or 400w PS) up and running? Again, does that go over the top in
cost?
eBay is your friend. Used APC stuff is a dime a dozen. I've got a
rackmount 3000VA unit that I wouldn't mind getting rid of myself :)
There are specs on the max draw that these things can support, mine
will handle over 2,000 Watts. The only drawback is that it needs a
special high amp plug (lockable and rated for 30 amps, and the wiring
and breaker needs to be up to spec as well). This makes a lot more
sense than buying 8 different units. Note that for auto shutdown of 8
servers you would need an APC signaling hub of some sort.
You can pick up their powerstrips with 8 ports for around $100 the
last I checked. They work just fine, even the older stuff. Nothing
fancy of course. You would need something more modern in order to
provide different logins for different customers, though I wouldn't be
surprised if you could create a Web app of your own that relayed the
appropriate HTTP commands to the Masterswitch, and you could manage
the access that way.
Doesn't anyone make a PCI card with a network connection where you
can send a "magic packet" and tell that PCI card to do a hard reboot
of the PC?
There is a standard called IPMI that was built for this. It needs to
be supported by the motherboard, and generally can only be found on
server-class boards. I would imagine that Dell probably has their own
somewhat proprietary interface for this using the IPMI standard, and
it might not be universally available as an option on their servers (I
am not a Dell user). I'm a SuperMicro fanboy, and they have a nice
little IPMI card that plugs into a special type of PCI port for doing
this.
http://www.supermicro.com/products/accessories/addon/AOC-IPMI20-E.cfm
Matt
Thanks in advance
Chris
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