[GRLUG] To Raid, or not to Raid, that is the question.

[Matt Michielsen]

I'd also agree with using md software RAID on linux over any hardware
controller. And having the server several hours away is definitely a
good reason to use RAID in the first place.

Backup is also very important, but as others have said, it can be done
over the net to something remote.

On Thu, Mar 10, 2011 at 8:40 AM, Don Wood <donlumber at comcast.net> wrote:
>
>> Isn't a backup a form of redundancy?
>
> No,  a backup is a recovery point.  A backup represents a point in time [and
> thus, inherently, in the past - not current, which is what RAID provides].
> With RAID you have redundancy which provides availability [against a
> specific single point of failure] but if you delete your data [or if the
> application/OS/firmware/cables/etc... do a brain-swirl on your data]... your
> data is gone.
>
> Ya got me on that one.
>
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