RAID won't help you if a worm/virus/OS failure corrupts your file system.
The RAID controller will happily write the bad data to the mirror disk too.

Backup is DIFFERENT than RAID. RAID won't survey a physical disaster (fire,
flood, vandals, power supply overvolt), but off site backup usually will.

Derek Chan wrote:
>
> I have actually been considering to run down to the computer to purchase the
> Promise Card and plug it into my PC. Beside "promise" any other company
> making this stuff or any recommendation ?
>
> It sure beat having to make a backup copy once a while wondering when the
> disk will fail, because all I need to do it replace the faulty disk, at I am
> up and running again without data loss.
>
> Derek
>
> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of M. Adam Davis
> Sent: Wednesday, February 27, 2002 10:23 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [OT]: Hard Drive Crash Recovery. Crowbars
>
> I use the Promise Fasttrack 66 RAID cards in small stores.
>

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