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MJ - HBA

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Sep 13th, 2016
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  1. Hi guys,
  2.  
  3. I've been a listener to the show for a while and want to say a big "thank
  4. you" for all the effort you put in - I really look forward to the new
  5. episode each week
  6.  
  7. Something that's been mentioned a few times on the show is how it's better
  8. to use an HBA rather than a hardware RAID controller when using ZFS. One
  9. thing that's worth mentioning is that a lot of LSI SAS controllers have IT
  10. JBOD-only firmware that can be used instead of the IR RAID-supporting
  11. firmware. It's easy to swap between the two (albeit via flashing) but
  12. switching to the IT firmware will remove the requirement to use workarounds
  13. like creating a RAID0 for each disk before handing it over to ZFS.
  14.  
  15. For example, here's a link to instructions for the LSI SAS9211-8i:
  16. http://brycv.com/blog/2012/flashing-it-firmware-to-lsi-sas9211-8i/
  17.  
  18. Keep up the great work - here's to another 150 episodes!
  19.  
  20. Cheers, MJ
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