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sgdskfl



SYNOPSIS

       sgdskfl  [-aenrx  -d  devname -f imagefile -m diskmodel -t
       secdelay ]


DESCRIPTION

       Sgdskfl is a program that uses the SCSI Generic  interface
       to  send  specific  SCSI  commands to download firmware to
       disk and tape devices.  The appropriate algorithm is  cho­
       sen,  depending  on the vendor and product ID of each SCSI
       device.  The SCSI Generic interface requires that the ker­
       nel .config file have CONFIG_CHR_DEV_SG set.

       A  log  file, named sgdskfl.log is created in the /var/log
       directory which logs the status of the functions  and  any
       errors.

       Below is the sequence of events for this utility:

       *      List  each  device on the system with firmware ver­
              sions.

       *      User selects a device for firmware load  (automatic
              if using -m)

       *      Read  the firmware image file for the selected disk
              and verify that it is valid.

       *      Verify that the disk is present and ready

       *      Close all open files, flush the adapter,  sync  any
              data to the SCSI disks.

       *      Write  the  firmware image to the disk using one or
              more 'write buffer' SCSI commands.

       *      Wait 5 (or specified number) seconds

       *      Verify that the disk comes ready again  using  SCSI
              test_unit_ready   commands,   and   start_unit   or
              scsi_reset to recover if not.

       *      If the '-m' or '-a' option was used, repeat writing
              the firmware for each specified disk.


OPTIONS

       Command line options are described below.

       -?     This  option  displays  a  summary  of the commands
              mally, this option is not used and the filename  is
              formed  using  the first 8 characters of the model,
              with   the   ".lod"   extension.    For    example:
              "st39173w.lod".   Note  that  this utility uses the
              raw firmware image without any added headers.   The
              utility will look for the firmware image file first
              in the  current  directory,  then  in  the  default
              directory (/usr/share/scsirastools).

       -m     Automatically  download  all drives that match this
              model string.

       -n     Naming.  By default, the device names are displayed
              as numeric sequences (/dev/sg0).  This option shows
              the   device   names   as   alphabetic    sequences
              (/dev/sga).

       -r     Try  to  recover  a non-ready drive by updating its
              firmware.  Don't test if the drive is ready or not.

       -t     Specifies  the number of seconds to delay after the
              firmware is written and  the  program  attempts  to
              test  if  the  unit  is ready again.  Default is 10
              seconds.

       -x     Causes extra debug messages to be displayed.


SEE ALSO

       sgdefects(8) sgdiag(8) sgmode(8)


WARNINGS

       See  http://sourceforge.net/projects/scsirastools/  for  a
       bug list and any later versions of this utility.


COPYRIGHT

       Copyright (C) 2001-2002  Intel Corp.

       sgdskfl  is open source software.  You can redistribute it
       and/or modify it under the terms of the BSD License.   See
       the  COPYING  file included with this software package for
       more details regarding distribution.

       sgdskfl is distributed in the hope that it will be useful,
       but WITHOUT ANY WARRANTY.


AUTHOR

       Andy Cress <andrew.r.cress@intel.com>
  




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