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sgmode



SYNOPSIS

       sgmode  [-aenrx -f modefile -m diskmodel]


DESCRIPTION

       Sgmode  is  a program that uses the SCSI Generic interface
       to send specific SCSI commands to  read  the  device  mode
       page  configuration  and  also write mode pages.  The SCSI
       Generic interface requires that the  kernel  .config  file
       have CONFIG_CHR_DEV_SG set.

       A  log  file,  named sgmode.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 mode page  (automatic  if
              using -m or -a).

       *      Attempt to read the mode page file for the selected
              disk (see option -f).

       *      Verify that the disk is present and ready.

       *      Write the mode pages via mode select (unless  read-
              only is specified).

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


OPTIONS

       Command line options are described below.

       -?     This option displays  a  summary  of  the  commands
              accepted by sgmode

       -a     Causes  the functions to be performed automatically
              on all connected SCSI devices.

       -e     Causes any file writes to be avoided, such  as  the
              log  file.  Usually a log file is created and writ­
              ten to.

       -f     Specify this filename for  the  mode  pages.   Nor­
              mally,  this option is not used and the filename is

       -o     Allow it to overwrite the disk capacity, if differ­
              ent.

       -r     Read-only.  Do not try to write any mode pages.  By
              default, if -a or -m is specified, the utility will
              attempt  to  open  an .mdf file for each drive, and
              write modepages if a matching file exists.

       -x     Causes extra debug messages to be displayed.


SEE ALSO

       sgdefects(8) sgdiag(8) sgdskfl(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.

       sgmod  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.

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


AUTHOR

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

                     Version 1.3: 08 May 2002           SGMODE(8)
  




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