-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Stefan Kaltenbrunner wrote: > Joshua D. Drake wrote: >> Gregory Stark wrote: >>> "Simon Riggs" <simon@xxxxxxxxxxxxxxx> writes: >>>> You're right, but the distinction is a small one. What are the chances >>>> of losing two independent servers within a few milliseconds of each >>>> other? >>> If they're on the same power bus? >> That chance is minuscule or at least should be. Of course we are >> assuming some level of conditioned power that is independent of the >> power bus, e.g; a UPS. > > how is that making it different in practise ? - if both are on the same > UPS they are affectively on the same power bus ... Well I was thinking the bus that is in the wall. I would assume that people were smart enough to have independent UPS systems for each server. city power->line conditioning generator->panel->plug->UPS->server wash, rinse repeat. > If the UPS fails (or the generator is not kicking in which happens way > more often than people would believe) they could still fail at the very > same time .... Sincerely, Joshua D. Drake > > > Stefan > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Have you searched our list archives? > > http://archives.postgresql.org > - -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 24x7/Emergency: +1.800.492.2240 PostgreSQL solutions since 1997 http://www.commandprompt.com/ UNIQUE NOT NULL Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate PostgreSQL Replication: http://www.commandprompt.com/products/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFG4tOKATb/zqfZUUQRAiSTAJ4pqQqsP7aH9GPJYjY3hZDvKzU8cACeKKJ3 wAae0tl2XswsjgEncIsOBlw= =xsGZ -----END PGP SIGNATURE----- ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
