[Bug 195033] New: [cam] [scsi] [patch] unclean SCSI attached HDD power-off on shut down

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Nov 15 11:05:04 UTC 2014


            Bug ID: 195033
           Summary: [cam] [scsi] [patch] unclean SCSI attached HDD
                    power-off on shut down
           Product: Base System
           Version: 10.0-STABLE
          Hardware: Any
                OS: Any
            Status: Needs Triage
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: sneakywumpus at gmail.com

Created attachment 149433
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=149433&action=edit
Patch to spin down scsi attached disks upon power down

Shutting down my system with ATA hard drives connected to several mps(4) LSI
bus adapters causes the SMART Power-Off_Retract_Count attribute to increase
indicating an unclean power down. Attached is a patch to spin down the discs
upon shutdown based on the code in cam/ata/ata_da.c and r203420/r214279. I'm
with this patch for over a year now and it works as intended on my system
X9SCM-F with 3 IBM M1015 HBA's flashed with LSI 9210-8i IT firmware and
20 WD SE SATA drives). The patch also fixes a few variable formatting issues in

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