mirror of https://github.com/mkerrisk/man-pages
smartpqi.4: Add explanation of ioaccel
Based on text sent by Don Brace. Reported-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -197,9 +197,12 @@ $ \c
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The
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The
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.I ssd_smart_path_enabled
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.I ssd_smart_path_enabled
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attribute is read-only.
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attribute is read-only.
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.\" FIXME
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.\" What is "ioaccel"? This string appears nowhere in man-pages HEAD.
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This attribute is for ioaccel-enabled volumes.
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This attribute is for ioaccel-enabled volumes.
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(Ioaccel is an alternative driver submission path that allows the
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driver to send I/O requests directly to backend SCSI devices,
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bypassing the controller firmware.
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This results in an increase in performance.
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This method is used for HBA disks and for logical volumes comprised of SSDs.)
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Contains 1 if ioaccel is enabled for the volume and 0 otherwise.
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Contains 1 if ioaccel is enabled for the volume and 0 otherwise.
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.IP
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.IP
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For example:
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For example:
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