Backup options for home

[lug-TwWeWiF2EGRi+ztankeudA at public.gmane.org (Don Levey)]

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Jerry Feldman wrote:
> On 11/05/2008 10:05 AM, Dan Ritter wrote:
>>
>> Cost per gigabyte at NewEgg:
>>...
>> - hard disk:     10 cents (750GB/$82)
> ...
> Advantage to a USB HD: You can keep it plugged in and have the backup
> run automatically.
> Disadvantage: A lightning strike can damage anything physically attached
> to your computer which is one reason you may want to unplug it.
> 

One way to mitigate that disadvantage is to use two hard drives, and
alternate them each night.  You still get a nightly backup, but if there
is physical damage due to lightning or severe power surge the
non-connected one is safe.  Additionally, you get a bit of historical
fallback if you develop corruption you don't catch immediately.

That's my plan for the desktop machine.  The home server will be backed
up to a second machine (both with RAID-1) if I can ever get off my
tuchus and rebuild the thing.

 -Don
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