Kees, I do agree with you. See my post on massive power outages that have occurred around the world. The only save plan is to have a backup for the backup. You need to have a DR site on a separate power sub-station from your main site along with a UPS and generator backup. Having alternate, automatically switchable lines from separate power sub-stations coming into your main site doesn't hurt either. Of course, all of that depends on how big the shop is, how important full 24x7 is, and how much money your management wants to put into the redundancy.
-----Original Message----- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Vernooij, CP - SPLXM Sent: Thursday, June 24, 2010 9:06 AM To: IBM-MAIN@bama.ua.edu Subject: Re: Geographic separation of primary and backup/DR sites "Jeffrey Deaver" <jeffrey.dea...@securian.com> wrote in message news:<ofb0fd8a87.24e5216d-on8625774c.00463f1b-8625774c.00474...@securian .com>... > >Also remember if DR is fairly close to base make sure they are on > >separate power grids or at least have generators. > > That is such a nebulous term, "power grid". Anyone have more definite > references for what that should mean? Does it just mean separate power > substations? That the ultimate feed comes from completely different > generating plants? Of different types? (Nuke vs Coal?) And how exactly do > you find out information like that? And can't the power down the last mile > be coming from one place today and other tomorrow depending on how the > power company manages it? > > While I'm sure this is not comprehensive, this Blackout Tracker website > gives some interesting insight into power outages... > http://powerquality.eaton.com/blackouttracker/default.asp > > Jeffrey Deaver, Engineer Doesn't this simply means your task is to take care that your diesel tanks are full (and large enough)? All the other options seem non-transparant and non-controllable. Kees. ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ******************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html ***************************************************************************** If you wish to communicate securely with Commerce Bank and its affiliates, you must log into your account under Online Services at http://www.commercebank.com or use the Commerce Bank Secure Email Message Center at https://securemail.commercebank.com NOTICE: This electronic mail message and any attached files are confidential. The information is exclusively for the use of the individual or entity intended as the recipient. If you are not the intended recipient, any use, copying, printing, reviewing, retention, disclosure, distribution or forwarding of the message or any attached file is not authorized and is strictly prohibited. If you have received this electronic mail message in error, please advise the sender by reply electronic mail immediately and permanently delete the original transmission, any attachments and any copies of this message from your computer system. ***************************************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
