Re: RAID 5 drive replacement schedule

[Adriel Desautels <adriel () netragard com>]

Murda,
	The real answer to your question is that it is very, very improbable 
that all of the drives in the array will fail at the same time. Most 
drives are good for a certain period of years, after which point you are 
getting "extra time".

	That is not a security issue though. That is an IT related issue. The 
security issue comes into play when you dispose of your drives. Do you 
shred them, just throw them in the dumpster, how do you dispose of them?

        
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        Adriel T. Desautels
        Chief Technology Officer
        Netragard, LLC.
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Murda Mcloud wrote:
> In my mind, this a security related question as it has to do with ensuring
> availability.
>
> Does anyone have links towards any whitepapers etc that suggest replacement
> of disks in a RAID 5 array as part of a maintenance cycle?
>
> If all the drives in an array are the same age and one fails; does this mean
> the others are more likely to fail. I'd imagine so as they have had the same
> amount of usage.
>
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