It seems that this will not be fixed.  The old IDE driver was always
broken in that it ignored the HPA.  When this was fixed in libata, it
caused breakage for people who had already formatted their disks with
the old driver, then upgraded, and were no longer able to access the
whole disk.  For this reason, Ubuntu has diverged from upstream and
reverted to the old broken behavior by default.  The workaround is to
set the ignore_hpa parameter to explicitly direct the driver to respect
the HPA, or to use a tool to permanently remove the HPA from the drive.


** Summary changed:

- ich9R raid array not detected
+ HPA ( Host Protected Area ) interferes with dmraid

** Changed in: dmraid (Ubuntu)
   Importance: Undecided => Low
       Status: In Progress => Won't Fix

-- 
HPA ( Host Protected Area ) interferes with dmraid
https://bugs.launchpad.net/bugs/219393
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