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Update trim to trim all mounted IQNs

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JDierkse
2023-05-12 11:20:43 +02:00
parent 036bd6a7b5
commit 639fb43018
1 changed files with 55 additions and 50 deletions
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trim
+55 -50
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@@ -2,61 +2,66 @@
IQN=$1 IQN=$1
if [[ -z "${IQN}" ]]; then TrimIQN() {
echo "usage: $0 TargetIQN" IQN=$1
echo ""
exit MULTIPATH=0
fi IQNTESTLIST=$(grep -h ${IQN} /sys/class/iscsi_session/*/targetname)
for IQNTEST in ${IQNTESTLIST}; do
if [ "${IQNTEST}" != "${IQN}" ]; then
echo "IQN not found"
echo ""
MULTIPATH=0 exit
IQNTESTLIST=$(grep -h ${IQN} /sys/class/iscsi_session/*/targetname) fi
for IQNTEST in ${IQNTESTLIST}; do
if [ "${IQNTEST}" != "${IQN}" ]; then MULTIPATH=$((MULTIPATH + 1))
echo "IQN not found" done
echo ""
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
MOUNTPOINT=$(grep "${BLOCKDEVICE}" /proc/mounts | head -n 1 | cut -d " " -f 2)
if [[ -z "${MOUNTPOINT}" || ! -d "${MOUNTPOINT}" ]]; then
echo "IQN ${IQN} is not mounted"
echo ""
exit exit
fi fi
MULTIPATH=$((MULTIPATH + 1)) fstrim -v ${MOUNTPOINT}
done }
SESSIONFOLDERLIST=$(grep -l ${IQN} /sys/class/iscsi_session/*/targetname | xargs realpath) if [[ -z "${IQN}" ]]; then
IQNLIST=$(cat /sys/class/iscsi_session/*/targetname | sort -u)
declare -A ADDRESSES for IQN in ${IQNLIST}; do
declare -A BLOCKDEVICES TrimIQN ${IQN}
for SESSIONFOLDER in ${SESSIONFOLDERLIST}; do done
SESSION=$(echo "${SESSIONFOLDER}" | sed 's/.*session\([0-9]*\).*/\1/g') else
HOST=$(echo "${SESSIONFOLDER}" | sed 's/.*host\([0-9]*\).*/\1/g') TrimIQN ${IQN}
SCSIADDRESS=$(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 fi
MOUNTPOINT=$(grep "${BLOCKDEVICE}" /proc/mounts | head -n 1 | cut -d " " -f 2)
if [[ -z "${MOUNTPOINT}" || ! -d "${MOUNTPOINT}" ]]; then
echo "IQN ${IQN} is not mounted"
echo ""
exit
fi
fstrim -v ${MOUNTPOINT}