Date: Sat, 10 Nov 2007 20:56:45 +0000 From: Christopher Key <cjk32@cam.ac.uk> To: noc@hdk5.net Cc: questions@freebsd.org Subject: Re: OT: Looking for some inpiration with UPS setup Message-ID: <47361B0D.6060608@cam.ac.uk> In-Reply-To: <4734A4DE.5020705@hdk5.net> References: <47348BDE.9090206@cam.ac.uk> <4734A4DE.5020705@hdk5.net>
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NetOpsCenter wrote: > Christopher Key wrote: >> >> I've a FreeBSD fileserver, a solid state router (Linksys box running >> OpenWRT) and a couple of gigabit switches that I'd like to move onto >> a UPS (I'm primarily looking at the APC Smart-UPS line). >> > I have a similar setup in my noc shed. > > I got 2 old APC units that a client had replaced and attached a 120 > AMP stationery batteries to them. They will power the switch, 3 > servers and KVM switches and a monitor for 6 hours uninterrupted. > It's not pretty to look at but is stable and does the job nicely. > I'm rather pressed for space, this gear is in a tiny cupboard also storing the traditional contents of a utility room and garage. I'd manged to allow myself 1 shelf, 30cm x 50cm x 20cm for the UPS gear. That might just be enough space to squeeze in a UPS and a 120Ah SLA battery, which would keep both up for at least 6h, hopefully enough to span most outages. For outages longer than that, I'd probably not mind losing my DHCP leases anyway. Are there any specific requirements for the attached batteries, or will any 12V SLA battery suffice? It's just a shame that no UPS units offer a WOL option for waking up attached equipment. Regards, Chris
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