Wes Felter wrote:
On 6/19/10 3:56 AM, Arne Jansen wrote:
while
thinking about using the OCZ Vertex 2 Pro SSD (which according
to spec page has supercaps built in) as a shared slog and L2ARC
device
IMO it might be better to use the smallest (50GB, maybe overprovisioned
down to ~20GB) Vertex 2 Pro as slog and a much cheaper SSD (X25-M) as
L2ARC.
No budget for this. Lucky if I can get the budget for the Vertex 2 Pro.
But if this sharing works (thanks to static wear leveling) it should be
sufficient to leave 10-20% space.
As Bob Friesenhahn said, you're assuming dynamic wear leveling but
modern SSDs also use static wear leveling, so this problem doesn't
exist. (Note that in this context the terms "dynamic" and "static" may
not mean what you think they mean.)
Thanks for the term. Yes, this makes sense.
--
Arne
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