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May 19, 2007


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I a happy user of the free Mozy to backup the critical data on my laptop. So I'm very interested in your experience with the commercial Mozy solution. It's sufficiently inexpensive that it seems like a great solution, assuming it works.

That's actually pretty good for that type of service. Is your 3Mbps Internet connection a CBR / CIR on an ATM or SONET link? If not, then you are probably only going to get about 80% of your VBR when used continuously -- that would make your maximum daily transfer 20GB. But, if the service actually ran that fast, you would not be able to use you connection for any thing else while the backup was running. Also, to make the service profitable, each MozyPro front-end server is probably shared by 100 users. Finally, if that is a typical file server, its network stack is not optimized for streaming -- like a media server would be. The real trick to make remote backups work, is to plug the backup server into the LAN for the initial backup; then just send deltas over the Internet; and, for a full restore, plug the server back into the LAN.

For online backup news, information and articles, there is an excellent website:


This site lists more than 400 online backup companies and ranks the top 25 on a monthly basis.

Any one can add their company in the directory. Just click on the "Search" button found at the top.


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  • Jason Powell is the Information Technology Director at Granger Community Church. The views and opinions expressed here are not necessarily those of GCC ...
    or are they? Hmm???

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