Of course by "guarantee that" you mean "notably reduce the likelihood of an outage" Sent via BlackBerry from T-Mobile -----Original Message----- From: Marc Skinner <marc at e-skinner.net> Date: Sat, 20 Jun 2009 11:22:25 To: Nate Carlson<tclug at natecarlson.com> Cc: TCLUG List<tclug-list at mn-linux.org> Subject: Re: [tclug-list] Visi down -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Exactly. If you need servers up you have to go with a dual power circuit set up. I have a full rack at Visi with dual power and dual uplinks and have never experienced a single issue for over 2 years - even during there planned outages. You get what you pay for. If it is critical, you must pay for the architecture that will guarantee that. Nate Carlson wrote: > Ditto.. my response to that was to get a second circuit installed from a > different PDU, and go to equipment with dual power supplies. The stuff > that was on a single power supply got moved to an ATS. > > Moral of the story: all data centers will have occasional power outages, > but if they are built out properly (completely isolated gensets, UPS's, > and PDU's), buy a circuit off each independent power supply, and the > chances of a power outage are extremely low. Of course, there are always > situations like the fire marshall ordering power off due to a gas leak, > etc, but that's exceptionally rare. > > On Mon, 15 Jun 2009, Eric F Crist wrote: >> Yes, and they had a similar power outage a year ago this past March. We >> didn't lose any drives during that outage, but half their entire data >> center was without power. This was one of the notices sent by Bil >> MacLeslie (ipHouse CEO): > > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iEYEARECAAYFAko9DL0ACgkQvE9HrEfeE4dEtACeMzVQWENGRb2BTjbx6/B2GdUX yo4An3OBqclm54uuP3Rn7N02MNPKnooR =d823 -----END PGP SIGNATURE----- _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota tclug-list at mn-linux.org http://mailman.mn-linux.org/mailman/listinfo/tclug-list