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#!/bin/sh
# This script is meant as an example of using the sg_persist utility
# in the sg3_utils package. This script works as expected on the
# author's Fujitsu MAM3184 and a Seagate ST373455 disk.
#
# Version 1.5 20070314
# N.B. make sure the device name is correct for your environment.
if [ ! -n "$1" ];then
echo "Usage: `basename $0` <device_name>"
echo
echo "Tests various SCSI Persistent Reserve (in + out) commands."
echo "Should be harmless (unless key 0x123abc is already in use)."
exit 1
fi
echo ">>> try to report capabilities:"
sg_persist -c $1
res=$?
case "$res" in
0) ;;
1) echo " syntax error" ;;
2) echo " not ready" ;;
3) echo " medium error" ;;
5) echo " illegal request, report capabilities not supported?" ;;
6) echo " unit attention" ;;
9) echo " illegal request, Persistent Reserve (In) not supported" ;;
11) echo " aborted command" ;;
15) echo " file error with $1 " ;;
20) echo " no sense" ;;
21) echo " recovered error" ;;
33) echo " timeout" ;;
97) echo " response fails sanity" ;;
98) echo " other SCSI error" ;;
99) echo " other error" ;;
*) echo " unknown exit status for sg_persist: $res" ;;
esac
echo ""
sleep 1
echo ">>> check if any keys are registered:"
sg_persist -k $1
sleep 1
echo
echo ">>> register a key:"
sg_persist -n --out --register --param-sark=123abc $1
sleep 1
echo
echo ">>> now key 123abc should be registered:"
sg_persist -n -k $1
sleep 1
echo
echo ">>> reserve the device (based on key 123abc):"
sg_persist -n --out --reserve --param-rk=123abc --prout-type=1 $1
sleep 1
echo
echo ">>> check if the device is reserved (it should be now):"
sg_persist -n --read-reservation $1
sleep 1
echo
echo ">>> now release reservation:"
sg_persist -n --out --release --param-rk=123abc --prout-type=1 $1
sleep 1
echo
echo ">>> check if the device is reserved (it should _not_ be now):"
sg_persist -n --read-reservation $1
sleep 1
echo
echo ">>> unregister key 123abc:"
sg_persist -n --out --register --param-rk=123abc $1
sleep 1
echo
echo ">>> now key 123abc should not be registered:"
sg_persist -n -k $1
sleep 1
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