On Dec 15, 2009, at 12:42 PM, Kieran Kelleher wrote:

> Wow ..... ok, I am going to have to retrofit my Mac Pro with at least one 
> boot volume on SSD .... and as long as we have svn repos, IMAP Mail and Time 
> machine we should be fairly protected against the apparent SSD 
> marginally-worse reliability ;-)
> 
> BTW, when I was researching the RAID stuff, I found an interesting article 
> that recommended picking 4 different drive brands/models for your RAID array 
> since if all drives are from the same brand/product/batch, there is a higher 
> likelihood of failure around the same time, especially if there was an 
> inherent quality problem in that batch. They actually related a real story of 
> a company that, IIRC, had bought 200 drives from IBM for RAIDs and they lost 
> complete RAID volumes due to all the drives failing at the same time due to 
> some quality defect in that batch!

You don't need them all to fail. Just two. I've seen it happen personally.

Yes, different manufacturers and mechanisms is a good idea.

Dave _______________________________________________
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