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SCSI_LOGGING_LEVEL(8)		   SG3_UTILS		 SCSI_LOGGING_LEVEL(8)

NAME
       scsi_logging_level - access Linux SCSI logging level information

SYNOPSIS
       scsi_logging_level   [--all=LEV]	  [--create]   [--error=LEV]   [--get]
       [--help]	   [--highlevel=LEV]	[--hlcomplete=LEV]     [--hlqueue=LEV]
       [--ioctl=LEV]   [--llcomplete=LEV]   [--llqueue=LEV]   [--lowlevel=LEV]
       [--midlevel=LEV]	  [--mlcomplete=LEV]   [--mlqueue=LEV]	  [--scan=LEV]
       [--set] [--timeout=LEV] [--version]

DESCRIPTION
       This bash shell script accesses the Linux SCSI subsystem logging level.
       The current values can be shown (e.g. with --get) or changed (e.g. with
       --set).	Superuser  permissions	will  typically be required to set the
       logging level.

       One of these options: --create, --get or --set is  required.  Only  one
       can be given.

OPTIONS
       Arguments to long options are mandatory for short options as well.

       -a, --all=LEV
	      LEV is used for all SCSI_LOG fields.

       -c, --create
	      Options  are  parsed and placed in internal fields that are dis‐
	      played but no logging levels are changed within the  Linux  ker‐
	      nel.

       -E, --error=LEV
	      LEV is placed in the SCSI_LOG_ERROR field.

       -g, --get
	      Fetches  the  current  SCSI logging levels from the Linux kernel
	      and displays them.

       -h, --help
	      print out the usage message then exit.

       -H, --highlevel=LEV
	      LEV is placed in the  SCSI_LOG_HLQUEUE  and  SCSI_LOG_HLCOMPLETE
	      fields.

       --hlcomplete=LEV
	      LEV is placed in the SCSI_LOG_HLCOMPLETE field.

       --hlqueue=LEV
	      LEV is placed in the SCSI_LOG_HLQUEUE field.

       -I, --ioctl=LEV
	      LEV is placed in the SCSI_LOG_IOCTL field.

       --llcomplete=LEV
	      LEV is placed in the SCSI_LOG_LLCOMPLETE field.

       --llqueue=LEV
	      LEV is placed in the SCSI_LOG_LLQUEUE field.

       -L, --lowlevel=LEV
	      LEV  is  placed  in the SCSI_LOG_LLQUEUE and SCSI_LOG_LLCOMPLETE
	      fields.

       -M, --midlevel=LEV
	      LEV is placed in the  SCSI_LOG_MLQUEUE  and  SCSI_LOG_MLCOMPLETE
	      fields.

       --mlcomplete=LEV
	      LEV is placed in the SCSI_LOG_MLCOMPLETE field.

       --mlqueue=LEV
	      LEV is placed in the SCSI_LOG_MLQUEUE field.

       -S, --scan=LEV
	      LEV is placed in the SCSI_LOG_SCAN field.

       -s, --set
	      Uses the fields specified in this command's options and attempts
	      to apply them to the Linux SCSI subsystem logging levels.	 Typi‐
	      cally superuser permissions will be required to do this.

       -T, --timeout=LEV
	      LEV is placed in the SCSI_LOG_TIMEOUT field.

       -v, --version
	      Outputs the version information and then exits.

NOTES
       The --get and --set options access the /proc/sys/dev/scsi/logging_level
       pseudo file.

EXIT STATUS
       The exit status of this script is 0 when it is  successful.  Any	 other
       exit status indicates that an error has occurred.

AUTHORS
       Written by IBM. Small alterations by Douglas Gilbert.

REPORTING BUGS
       Report bugs to <dgilbert at interlog dot com>.

COPYRIGHT
       Copyright © IBM Corp. 2006
       This  software is distributed under the GPL version 2. There is NO war‐
       ranty; not even for MERCHANTABILITY or FITNESS FOR  A  PARTICULAR  PUR‐
       POSE.

       The  software  was obtained from an IBM package called s390-tools-1.6.2
       found on that company's "developerworks" site. The most recent  version
       of that package at this time is 1.8.3 .

sg3_utils-1.36			   May 2013		 SCSI_LOGGING_LEVEL(8)

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