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How best to implement a Disaster Recovery Site

Letterpart
Letterpart asked
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Last Modified: 2010-10-30
Hi,

I have been asked to set up a disaster recovery site for my work and would like to talk through the different options available with some experts. We are wanting the DR site to be in as near to ready state as possible without over the top spending (realising that in the event of a disaster, it will take our staff time to move to the new building and get themselves sorted out)

I am planning on having two Global Domain controllers at our main site with an Exchange box (all on Win 2003) and 1 Global DC at the remote site with another Exchange box. We are only a small company with 12 members of staff,

We will connect the two sites via a site-site VPN and do daily backups of data from our SAN snapshot at the main site to the NAS at the remote site. To start with this will be via tape, but ultimately we would like unattended backup via the vpn.

What worries me most is the Exchange servers. I take it I can't have them both online at the same time with identical data/mailboxes and am prepared to take over a tape in the event of a disaster. But what is the best way of doing this and how do other people deal with the MX records pointing to these servers? Currently our main MX record held by our ISP points to main site Exchange and the second MX record points to the ISP's server. In the past when we have had problems with our leased line, their server takes over and then pushes mail over to us when we are back up again.


thanks,

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