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Message Posted: Mon, 18 Nov 2002 @ 11:57:56 GMT

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Subj:   Re: Disaster Recovery (DR) For Teradata
From:   David Wellman


If you're in the UK then I'm aware of one other company who does this -- it's actually the company that NCR uses when they sell DR services.

The customers that I've seen set up DR have usually done it in-house, often utilising an old machine to provide the disk space and processing power. Whether the DR machine has the full disk capacity of the live system or not is variable (obviously a lot easier if it does).

Doing it this way has the added advantage that on a permanent basis you may be able to split your end-user population across the two machines. One group then has to accept that the data they have access to is older than on the live machine, but there are cases when that's not a problem. If you then have an outage on the live system all end-users move to the single 'DR' machine.



Ward Analytics Ltd: Information in motion (www.ward-analytics.com)

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