67 lines
1.9 KiB
Bash
Executable File
67 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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IQN=$1
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if [[ -z "${IQN}" ]]; then
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echo "usage: $0 TargetIQN"
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echo ""
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exit
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fi
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MULTIPATH=0
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IQNTESTLIST=$(grep -h ${IQN} /sys/class/iscsi_session/*/targetname)
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for IQNTEST in ${IQNTESTLIST}; do
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if [ "${IQNTEST}" != "${IQN}" ]; then
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echo "IQN not found"
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echo ""
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exit
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fi
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MULTIPATH=$((MULTIPATH + 1))
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done
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SESSIONFOLDERLIST=$(grep -l ${IQN} /sys/class/iscsi_session/*/targetname | xargs realpath)
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declare -A ADDRESSES
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declare -A BLOCKDEVICES
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for SESSIONFOLDER in ${SESSIONFOLDERLIST}; do
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SESSION=$(echo "${SESSIONFOLDER}" | sed 's/.*session\([0-9]*\).*/\1/g')
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HOST=$(echo "${SESSIONFOLDER}" | sed 's/.*host\([0-9]*\).*/\1/g')
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SCSIADDRESS=$(echo "${SESSIONFOLDER}" | sed 's/\(.*\)\/iscsi_session.*/\1/g' | xargs ls -1 | grep "target${HOST}" | sed 's/target//g')
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MAJOR=$(echo "${SCSIADDRESS}" | cut -d ":" -f 2)
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MINOR=$(echo "${SCSIADDRESS}" | cut -d ":" -f 3)
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FULLSCSIADDRESS=$(echo "${SESSIONFOLDER}" | sed "s/\(.*\)\/iscsi_session.*/\1\/target${SCSIADDRESS}/g" | xargs ls -1 | grep ":")
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LUN=$(echo "${FULLSCSIADDRESS}" | cut -d ":" -f 4)
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ADDRESS="[${SESSION}]:scsi$HOST:${MAJOR}:${MINOR}:${LUN}"
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ADDRESSES+="${ADDRESS} "
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BLOCKDEVICE=$(echo "${SESSIONFOLDER}" | sed "s/\(.*\)\/iscsi_session.*/\1\/target${SCSIADDRESS}\/${FULLSCSIADDRESS}\/block/g" | xargs ls -1 | xargs printf "/dev/%s")
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BLOCKDEVICES+="${BLOCKDEVICE} "
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done
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MULTIPATHDEVICE=$(multipath -l ${BLOCKDEVICES[0]} | grep 'mpath' | sed -e 's/^\([a-z]*\) .*/\1/g')
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if [ ! -z "${MULTIPATHDEVICE}" ]; then
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BLOCKDEVICE="/dev/mapper/${MULTIPATHDEVICE}"
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fi
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MOUNTPOINT=$(grep "${BLOCKDEVICE}" /proc/mounts | head -n 1 | cut -d " " -f 2)
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if [[ -z "${MOUNTPOINT}" || ! -d "${MOUNTPOINT}" ]]; then
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echo "IQN ${IQN} is not mounted"
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echo ""
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exit
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fi
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dd if=/dev/zero of=${MOUNTPOINT}/test1.img bs=1G count=1 oflag=dsync
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dd if=/dev/zero of=${MOUNTPOINT}/test2.img bs=512 count=1000 oflag=dsync
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rm -f ${MOUNTPOINT}/test1.img
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rm -f ${MOUNTPOINT}/test2.img
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