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README for sg3_utils/scripts
============================
Introduction
============
This directory contains bash shell scripts. Most of them call one or
more utilities from the sg3_utils package. They assume the sg3_utils
package utilities are on the PATH of the user.
scsi_logging_level is written by Andreas Herrmann <aherrman at de dot ibm
dot com>. It sets the logging level of the SCSI subsystem in the linux
2.6 series kernels. See that file for more information.
The other scripts are written by the author. Some do testing while others
do bulk tasks (e.g. stopping multiple disks).
Details
=======
Each script supplies more information, typically by supplying a '-h'
or '--help' option. The script source often contains explanatory
information. Following is a usage summary with a one line description:
sas_disk_blink [-h] [-s <n>] <device>
- blink LED on <device> using RLM bit in SAS targets
scsi_logging_level [OPTIONS]
- set Linux SCSI subsystem logging level
scsi_mandat [-h] [-L] [-q] <device>
- check for mandatory SCSI command support
scsi_readcap [-b] [-h] [-v] <device>+
- fetch capacity/size information for each <device>
scsi_ready [-h] [-v] <device>+
- check the media ready status on each <device>
scsi_satl [-h] [-L] [-q] <device>
- check <device> for SCSI to ATA Translation Layer (SATL)
scsi_start [-h] [-v] <device>+
- start media (i.e. spin up) in each <device>
scsi_stop [-h] [-v] <device>+
- stop media (i.e. spin down) in each <device>
scsi_temperature [-h] [-v] <device>+
- check temperature in each <device>
These scripts assume that the main sg3_utils utilities are installed
and are on the user's PATH. The sas_disk_blink script relies on the
sdparm utility.
Douglas Gilbert
25th January 2007
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