Andy wrote: > SSD has its own cache. And in certain models such as Intel 320 that cache is backed by capacitors. So in a sense that cacheacts as a BBU that's backed by capacitors instead of batteries. > Tests I did on the 320 series says it works fine: http://archives.postgresql.org/message-id/4D9D1FC3.4020207@2ndQuadrant.com And there's a larger discussion of this topic at http://blog.2ndquadrant.com/en/2011/04/intel-ssd-now-off-the-sherr-sh.html that answers this question in a bit more detail. -- Greg Smith 2ndQuadrant US greg@2ndQuadrant.com Baltimore, MD
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