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From: Rob Mueller (no email)
Date: Tue Feb 13 2007 - 19:00:44 EST
> I agree that storage and replication are orthogonal issues. However, if a
> lump of storage is no longer a single point of failure then you don't have
> to invest (or gamble) quite as much to make that storage perfect.
Yes, that old maxim that each extra 9 in 99.99... reliability costs 10 times
more.
Also a nice thing about replication is allowing controlled upgrades/changes
to systems with almost no visible user downtime by controlled failing of all
the masters off a particular machine. Nice.
Rob
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