[Novalug] Seagate Momentus XT hybrid Drive

Bryan Seitz seitz@bsd-unix.net
Tue Jun 1 13:00:19 EDT 2010


On Tue, Jun 01, 2010 at 11:37:05AM -0400, John Franklin wrote:
> I'm with Miguel on this one.
> 
> Given a set of disks all bought and deployed at the same time in the same RAID
> array, the odds of a second drive failing during the stress of a rebuild is
> higher than I like.
> 
> More so, the cost of a second parity drive in each RAID volume at each location
> is a fraction of the cost to deploy a new RAID volume and reload it from
> backups plus the cost of loss of business continuity.
> 
> If you really REALLY care about your data, you'll have another array in another
> time zone already running and kept in sync.

Actually it should be stated that RAID is not a substitute for GOOD backups :)

-- 
             
Bryan G. Seitz



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