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Intel X25-E Extreme SSD Benchmarks On Linux

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  • #16
    I think the IOzone read performance numbers are wrong. Since when does a 7200rpm Seagate do 133mb/sec read? My 10000rpm Raptor only does about 80.

    And, what's the limit for SATA2.0 interface, 3 gigabits/s? That's about 384mb/sec I guess. That SSD is coming close to maxing out 3Gbit/s.

    What I think is going on is read caching (in the host's RAM, courtesy of the kernel).


    Edit: I was referring to the 4Gb tests. The 8Gb read tests show something much closer to reality. Read caching for sure.
    Last edited by lem79; 02-25-2009, 01:24 AM.

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    • #17
      Ted T'so has a couple of great articles on SSD and filesystem configuration

      http://thunk.org/tytso/blog/2009/02/...se-block-size/

      http://thunk.org/tytso/blog/2009/02/...ized-for-ssds/

      It would be interesting to see if the aligning of the filesystem to the SSD parms makes a significant difference.

      Cheers,
      Toby Haynes

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