Flashster

Background:
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I am setting up (or will be soon) a colo w2k3 server mainly for hosting web sites I design for my clients (small businesses). The clients will only have 'write' access to the server by way of the content managment system I integrate with their web site.

I will only have 1-2u of space (i.e. 1 server which I've yet to build), 1 power socket, and a small number of IP addresses. I am familiar with w2k server, but have yet to get my hands on w2k3, hence some of my questions below.

I think it would be useful to be able to a limited number of pop mail accounts with my web offering - say 10-15 pop addresses per domain.

I intend to have two servers - one I'll keep off site to swap out if the live one develops a fault. I need to be able to backup the live one and copy the web/mail side of things (or even the whole disk image, but not sure how Microsoft license activation will deal with that) to the new server from the backup.

My backup questions are:
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i) what do you back up to? do you using disk mirroring in addition, or utilise both hard disks as usable space and back up to something else? I will have very limited space at the datacentre (1-2u) so limited options outside the server unless the colo company allow me to plug in a 1u external hard drive....which I doubt.

ii) What software do you use? Windows backup and DriveSnapShot have been suggested so far. I don't want to be message about with custom scripts or programming if at all possible.

Any advice much appreciated.

Flash