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#!/bin/bash
if [ -z "$1" ]; then
echo "Usage: $0 <lvname>"
exit 1
fi
lvname=$(basename $1)
if [ ! -b "/dev/scsiRaid/${lvname}" ]; then
echo "Device '/dev/scsiRaid/${lvname}' not found."
exit 1
fi
# check if disk exists in config
if grep -qs "Path=/dev/scsiRaid/${lvname},Type=diskio" /etc/iet/ietd.conf ; then
echo "Disk is already in config file. Not adding it again." >&2
else
echo -n "Adding disk to 'ietd.conf' config file... " >&2
cat <<EOF >> /etc/iet/ietd.conf
Target iqn.2011-04.de.spline:${lvname}
Lun 0 Path=/dev/scsiRaid/${lvname},Type=diskio,ScsiId=1,ScsiSN=2
EOF
echo "Done." >&2
fi
if [ -r /proc/net/iet/volume ]; then
if grep -qs "path:/dev/scsiRaid/${lvname}$" /proc/net/iet/volume ; then
echo "Disk is already configured in ietd. Skipping live update." >&2
else
# get the next avilable tid
tid=$(awk '$1 ~ /tid:/ { \
gsub(/tid:/,"",$1); \
if ( max < int($1) ) { \
max=int($1) \
} \
} \
\
END { print max+1 }' /proc/net/iet/volume)
echo -n "Adding disk to running ietd... " >&2
ietadm --op new --tid=${tid} --params "Name=iqn.2011-04.de.spline:${lvname}"
ietadm --op new --tid=${tid} --lun=0 --params "Path=/dev/scsiRaid/${lvname},Type=diskio,ScsiId=1,ScsiSN=2"
echo "Done." >&2
fi
else
echo "ietd not running. Skipping live update." >&2
fi
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