[OLPC Security] Bitfrost automatic centralized backups

Edward Cherlin echerlin at gmail.com
Mon Dec 24 17:18:22 EST 2007


On Dec 24, 2007 2:12 PM, Bennett Todd <bet at rahul.net> wrote:
> Was reading "OLPC Bitfrost"[1], a very exciting document.
>
> The problem of avoiding all the issues raised in "Correlating
> Bitfrost and threats"[2] in the "No permanent data loss" section
> seems worrisome to me. Might it be easiest to go with a dodge and
> ship a cheap 2GB SD card in every laptop, with periodic software to
> sync to it? Using tricks with rsync it's not hard to automatically
> achieve an effect like filesystem snapshots, providing historical
> depth in the backup and rotating oldest-deleted stuff out as
> necessary to keep the device just short of full.
>
> Or maybe, instead of an SD card, go with a USB key so the children
> won't be encouraged to leave it in the laptop. Dunno how cheap one
> could find couple-of-GB USB sticks if you are in a position to order
> in bulk.

Shouldn't XOs sync to individual directories on the school server?

> -Bennett
>
> [1] <URL:http://wiki.laptop.org/go/OLPC_Bitfrost>
> [2] <URL:http://wiki.laptop.org/go/Correlating_Bitfrost_and_threats>
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>



-- 
Edward Cherlin
Earth Treasury: End Poverty at a Profit
http://www.EarthTreasury.org/
"The best way to predict the future is to invent it."--Alan Kay


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