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LEARN ABOUT CENTOS

sgpio

sgpio(1)							   USER COMMANDS							  sgpio(1)

NAME

       sgpio - captive backplane LED control utility

SYNOPSIS

       sgpio [-h] [-V] [[-d|--disk <device>[,<device>...]] | [-p|--port <port>[,<port>...]]] [-s|--status <status>] [-f|--freq <frequency>]

DESCRIPTION

       Serial General Purpose Input Output (SGPIO) is a communication method used between a main board and a variety of internal and external hard
       disk drive bay enclosures.  This utility can be used to control LEDs in an enclosure.  For more information about SGPIO, please consult the
       SFF-8485 Specification.

OPTIONS

       -h, --help
	      displays a short help text

       -V, --version
	      displays the utility and AHCI SGPIO specification

       -d, --disk
	      disk name of LED location.  Names are sda,sdb,sdc,... Multiple names can be provided in a comma-delimited list.

       -p, --port
	      SATA  port  number  of  LED location, can be used if a disk name is no longer valid. 0,1,2,3,... Multiple ports can be provided in a
	      comma-delimited list.

       -s, --status
	      status of the LED to set.  LED status is: locate, fault, rebuild, off

       -f, --freq
	      Set the frequency at which the LED should blink (in Hz). Frequency should be an integer between 1 and 10.

EXAMPLES

       Set the locate LED on SDA with an Intel Intelligent backplane:
	      sgpio -d sda -s locate

       Set the locate LED on SDA to flash at 3 Hz for non-intelligent backplanes:
	      sgpio -d sda -s locate -f 3

       Set SATA port 2 with fault at a 3 Hz flash rate:
	      sgpio -p 2 -s fault -f 3

       Set disks sda through sdf to fault:
	      sgpio -d sda,sdb,sdc,sdd,sde,sdf -s fault

EXIT STATUS

       sgpio should return zero when successful.  It will return with a non-zero value if there was a failure.

AUTHOR

       Eric R. Hall <Eric.R.Hall@intel.com>

version 0.3							   December 2007							  sgpio(1)

Programming