hpsa man page on ElementaryOS

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HPSA(4)			   Linux Programmer's Manual		       HPSA(4)

NAME
       hpsa - HP Smart Array SCSI driver

SYNOPSIS
       modprobe hpsa [ hpsa_allow_any=1 ]

DESCRIPTION
       hpsa is a SCSI driver for HP Smart Array RAID controllers.

   Options
       hpsa_allow_any=1:  This	option allows the driver to attempt to operate
       on any HP Smart Array hardware RAID  controller,	 even  if  it  is  not
       explicitly  known  to  the  driver.  This allows newer hardware to work
       with older drivers.  Typically this is used to  allow  installation  of
       operating  systems from media that predates the RAID controller, though
       it may also be used to enable hpsa  to  drive  older  controllers  that
       would  normally	be handled by the cciss(4) driver.  These older boards
       have not been tested and are not	 supported  with  hpsa,	 and  cciss(4)
       should still be used for these.

   Supported hardware
       The hpsa driver supports the following Smart Array boards:

	   Smart Array P700M
	   Smart Array P212
	   Smart Array P410
	   Smart Array P410i
	   Smart Array P411
	   Smart Array P812
	   Smart Array P712m
	   Smart Array P711m
	   StorageWorks P1210m

   Configuration details
       To configure HP Smart Array controllers, use the HP Array Configuration
       Utility (either hpacuxe(8) or hpacucli(8))  or  the  Offline  ROM-based
       Configuration  Utility  (ORCA) run from the Smart Array's option ROM at
       boot time.

FILES
   Device nodes
       Logical drives are accessed via the  SCSI  disk	driver	(sd(4)),  tape
       drives  via  the	 SCSI tape driver (st(4)), and the RAID controller via
       the SCSI generic driver (sg(4)),	 with  device  nodes  named  /dev/sd*,
       /dev/st*, and /dev/sg*, respectively.

   HPSA-specific host attribute files in /sys
       /sys/class/scsi_host/host*/rescan
	      This  is a write-only attribute.	Writing to this attribute will
	      cause the driver to scan for new, changed,  or  removed  devices
	      (e.g,.  hot-plugged  tape drives, or newly configured or deleted
	      logical drives, etc.)  and  notify  the  SCSI  midlayer  of  any
	      changes  detected.  Normally a rescan is triggered automatically
	      by HP's Array Configuration Utility (either the GUI or the  com‐
	      mand-line	 variety);  thus,  for logical drive changes, the user
	      should not normally have to use this attribute.  This  attribute
	      may  be  useful  when  hot plugging devices like tape drives, or
	      entire storage boxes containing pre-configured logical drives.

       /sys/class/scsi_host/host*/firmware_revision
	      This attribute contains the firmware version of the Smart Array.

	      For example:

		  # cd /sys/class/scsi_host/host4
		  # cat firmware_revision
		  7.14

   HPSA-specific disk attribute files in /sys
       /sys/class/scsi_disk/c:b:t:l/device/unique_id
	      This attribute contains a 32 hex-digit unique ID for each	 logi‐
	      cal drive.

	      For example:

		  # cd /sys/class/scsi_disk/4:0:0:0/device
		  # cat unique_id
		  600508B1001044395355323037570F77

       /sys/class/scsi_disk/c:b:t:l/device/raid_level
	      This attribute contains the RAID level of each logical drive.

	      For example:

		  # cd /sys/class/scsi_disk/4:0:0:0/device
		  # cat raid_level
		  RAID 0

       /sys/class/scsi_disk/c:b:t:l/device/lunid
	      This  attribute  contains	 the  16  hex-digit (8 byte) LUN ID by
	      which a logical drive  or	 physical  device  can	be  addressed.
	      c:b:t:l are the controller, bus, target and lun of the device.

	      For example:

		  # cd /sys/class/scsi_disk/4:0:0:0/device
		  # cat lunid
		  0x0000004000000000

   Supported ioctl() operations
       For  compatibility  with	 applications written for the cciss(4) driver,
       many, but not all of the ioctls supported by the	 cciss(4)  driver  are
       also  supported	by the hpsa driver.  The data structures used by these
       ioctls	are   described	  in   the   Linux    kernel	source	  file
       include/linux/cciss_ioctl.h.

       CCISS_DEREGDISK, CCISS_REGNEWDISK, CCISS_REGNEWD
	      These  three  ioctls  all do exactly the same thing, which is to
	      cause the driver to rescan for new devices.  This	 does  exactly
	      the  same	 thing	as  writing to the hpsa-specific host "rescan"
	      attribute.

       CCISS_GETPCIINFO
	      Returns PCI domain, bus, device and function and "board ID" (PCI
	      subsystem ID).

       CCISS_GETDRIVVER
	      Returns driver version in three bytes encoded as:

		  (major_version << 16) | (minor_version << 8) |
		      (subminor_version)

       CCISS_PASSTHRU, CCISS_BIG_PASSTHRU
	      Allows  "BMIC"  and  "CISS" commands to be passed through to the
	      Smart Array.  These are used extensively by the HP Array Config‐
	      uration Utility, SNMP storage agents, etc.  See cciss_vol_status
	      at ⟨http://cciss.sf.net⟩ for some examples.

SEE ALSO
       cciss(4), sd(4), st(4), cciss_vol_status(8), hpacucli(8), hpacuxe(8),

       ⟨http://cciss.sf.net⟩, and Documentation/scsi/hpsa.txt  and  Documenta‐
       tion/ABI/testing/sysfs-bus-pci-devices-cciss in the Linux kernel source
       tree

COLOPHON
       This page is part of release 3.54 of the Linux  man-pages  project.   A
       description  of	the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

Linux				  2012-08-05			       HPSA(4)
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