Drive mirroring - opinion wanted

[david-8uUts6sDVDvs2Lz0fTdYFQ at public.gmane.org (David Kramer)]

Jerry Feldman wrote:
> On 06/06/2009 02:41 PM, Richard Pieri wrote:
>> Ultimately, it depends on monitoring.  If you have a mechanism that 
>> will alert you to a fault then mirroring is fine.  If you do not then 
>> you're probably better off keeping things as they are and using a 
>> chunk of the 1TB disk for regular, automated backups that do notify 
>> you if there is a fault.
>>   
> I check my nightly backup logs frequentl;y. I back up to a USB device
> which has the additional feature of being portable. In the case of a
> lightning strike, all 3 drives will have been cremated :-)

Yeah, the one part most people forget when using USB hard drives to back
up to: Disconnecting when not in use.  If they're disconnected, pretty
much the only thing that can go wrong is house fire.  Even then you can
grab the drive and run.