On 4/27/11 7:10 PM, Chris Parsons wrote:
> On 28/04/2011 6:52 AM, Les Mikesell wrote:
>> that wasn't the case the OP was referring to.
>> I've forgotten the original context, but if it is setting up a new
>> system you don't have much to lose in the initial sync - and by the time
>> you do, you should have another copy already stored offsite.
>>
>
> In this case, why involve the complexities of RAID at all. Just use individual
> disks, each with their own pool and rotate them. If a disk fails, you only
> lose
> that pool. It avoids all the complexities of raid - and the danger of raid
> corruption. I don't see any point in involving raid until you need to span
> pools
> over more than one disk.
Most backups do a double duty. One use is for complete system/disaster
recovery,
one is for for when you realize the next day that you deleted something you
need. Backuppc is particularly good for the latter, more frequent occurrence,
but if you've just swapped an old disk back you won't have access to the copy
you are most likely to need. You'll also be copying more than necessary with
older reference copies, but that is less likely to be a real problem.
--
Les Mikesell
[email protected]
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