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What RAID controllers are there that meet the following?

  • Works out of the box with good performance with Ubuntu 10.04 LTS
  • PCI-E 2.0 x4 or x8
  • Support for 8 or more SATA/SAS 6Gb/s drives
  • Enough internal bandwidth to support full speed of all drives simultaneously
  • Able to expose all the drives as JBOD so that Linux software raid can be used
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1 Answer

If you want JBOD, why do you search for the raid card? You may get much cheaper HBA i.e. LSI SAS3081E-R.

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An HBA would be fine as well. Too bad that one you linked to does not do 6BG/s per port or PCI-E 2.0. –  Dan Nuffer Aug 16 '10 at 15:35
    
I'm afraid there are no many SATA3 controllers in the market yet. A disk drives just don't require such speed, unless you have some expensive SSDs or DDR drives. 3Gbit per lane supports up to 375 megabytes/second - I even can't say what SSD model can fully support it. –  disserman Aug 16 '10 at 16:25
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