Dan Gorman wrote:
All,

Was that sequential reads? If so, yeah you'll get 110MB/s? How big was the datafile size? 8MB? Yeah, you'll get 110MB/s. 2GB? No, they can't sustain that. There are so many details missing from this test that it's hard to have any context around it :)


Actually they can. Datafile size was 8G, machine had 2G RAM (i.e. datafile 4 times memory). The test was for a sequential read with 8K blocks. I believe this is precisely the type of test that the previous posters were referring to - while clearly, its not a real-world measure, we are comparing like to like, and as such terrible results on such a simple test are indicative of something 'not right'.

regards

Mark

P.s. FWIW - I'm quoting a test from a few years ago - the (same) machine now has 4 RAID0 ata disks and does 175MB/s on the same test....




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