Andrey Kuzmin wrote:
As to whether it makes sense (as opposed to two distinct physical
devices), you would have read cache hits competing with log writes for
bandwidth. I doubt both will be pleased :-)
As usual it depends on your workload. In many real-life scenarios the
bandwidth probably won't be an issue.
Then also keep in mind that you can put up-to 4 ssd modules on it and
each module iirc is presented as a separate device anyway. So in order
to get all the performance you need to make sure to issue I/O to all
modules.
--
Robert Milkowski
http://milek.blogspot.com
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