JDierkse/iSCSI-Scripts
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Add Multipath support

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JDierkse
2023-05-12 11:15:38 +02:00
parent 905361e72f
commit 2519322aac
3 changed files with 159 additions and 39 deletions
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+42 -20
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@@ -5,26 +5,46 @@ IQN=$1
PrintIQN() {
IQN=$1
IQNTEST=$(grep -h ${IQN} /sys/class/iscsi_session/*/targetname)
if [ "${IQNTEST}" != "${IQN}" ]; then
echo "IQN not found"
echo ""
MULTIPATH=0
IQNTESTLIST=$(grep -h ${IQN} /sys/class/iscsi_session/*/targetname)
for IQNTEST in ${IQNTESTLIST}; do
if [ "${IQNTEST}" != "${IQN}" ]; then
echo "IQN not found"
echo ""
exit
exit
fi
MULTIPATH=$((MULTIPATH + 1))
done
SESSIONFOLDERLIST=$(grep -l ${IQN} /sys/class/iscsi_session/*/targetname | xargs realpath)
declare -A ADDRESSES
declare -A BLOCKDEVICES
for SESSIONFOLDER in ${SESSIONFOLDERLIST}; do
SESSION=$(echo "${SESSIONFOLDER}" | sed 's/.*session\([0-9]*\).*/\1/g')
HOST=$(echo "${SESSIONFOLDER}" | sed 's/.*host\([0-9]*\).*/\1/g')
SCSIADDRESS=$(echo "${SESSIONFOLDER}" | sed 's/\(.*\)\/iscsi_session.*/\1/g' | xargs ls -1 | grep "target${HOST}" | sed 's/target//g')
MAJOR=$(echo "${SCSIADDRESS}" | cut -d ":" -f 2)
MINOR=$(echo "${SCSIADDRESS}" | cut -d ":" -f 3)
FULLSCSIADDRESS=$(echo "${SESSIONFOLDER}" | sed "s/\(.*\)\/iscsi_session.*/\1\/target${SCSIADDRESS}/g" | xargs ls -1 | grep ":")
LUN=$(echo "${FULLSCSIADDRESS}" | cut -d ":" -f 4)
ADDRESS="[${SESSION}]:scsi$HOST:${MAJOR}:${MINOR}:${LUN}"
ADDRESSES+="${ADDRESS} "
BLOCKDEVICE=$(echo "${SESSIONFOLDER}" | sed "s/\(.*\)\/iscsi_session.*/\1\/target${SCSIADDRESS}\/${FULLSCSIADDRESS}\/block/g" | xargs ls -1 | xargs printf "/dev/%s")
BLOCKDEVICES+="${BLOCKDEVICE} "
done
MULTIPATHDEVICE=$(multipath -l ${BLOCKDEVICES[0]} | grep 'mpath' | sed -e 's/^\([a-z]*\) .*/\1/g')
if [ ! -z "${MULTIPATHDEVICE}" ]; then
BLOCKDEVICE="/dev/mapper/${MULTIPATHDEVICE}"
fi
SESSIONFOLDER=$(grep -l ${IQN} /sys/class/iscsi_session/*/targetname | xargs realpath)
SESSION=$(echo "${SESSIONFOLDER}" | sed 's/.*session\([0-9]*\).*/\1/g')
HOST=$(echo "${SESSIONFOLDER}" | sed 's/.*host\([0-9]*\).*/\1/g')
SCSIADDRESS=$(echo "${SESSIONFOLDER}" | sed 's/\(.*\)\/iscsi_session.*/\1/g' | xargs ls -1 | grep "target${HOST}" | sed 's/target//g')
MAJOR=$(echo "${SCSIADDRESS}" | cut -d ":" -f 2)
MINOR=$(echo "${SCSIADDRESS}" | cut -d ":" -f 3)
FULLSCSIADDRESS=$(echo "${SESSIONFOLDER}" | sed "s/\(.*\)\/iscsi_session.*/\1\/target${SCSIADDRESS}/g" | xargs ls -1 | grep ":")
LUN=$(echo "${FULLSCSIADDRESS}" | cut -d ":" -f 4)
BLOCKDEVICE=$(echo "${SESSIONFOLDER}" | sed "s/\(.*\)\/iscsi_session.*/\1\/target${SCSIADDRESS}\/${FULLSCSIADDRESS}\/block/g" | xargs ls -1 | xargs printf "/dev/%s")
MOUNTPOINT=$(grep "${BLOCKDEVICE}" /proc/mounts | head -n 1 | cut -d " " -f 2)
echo "IQN: ${IQN}"
@@ -33,17 +53,19 @@ PrintIQN() {
#echo " Channel: ${MAJOR}";
#echo " Id: ${MINOR}";
#echo " LUN: ${LUN}";
echo " Address: [${SESSION}] scsi$HOST:${MAJOR}:${MINOR}:${LUN}"
for ADDRESS in ${ADDRESSES}; do
echo " Address: ${ADDRESS}"
done
echo " Device: ${BLOCKDEVICE}";
echo " Mountpoint: ${MOUNTPOINT}";
echo
}
if [[ -z "${IQN}" ]]; then
IQNLIST=$(cat /sys/class/iscsi_session/*/targetname)
IQNLIST=$(cat /sys/class/iscsi_session/*/targetname | sort -u)
for IQN in ${IQNLIST}; do
PrintIQN ${IQN}
done;
done
else
PrintIQN ${IQN}
fi