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#!/sbin/openrc-run
#
# Start the iSCSI-SCST Target.
#
depend() {
need net
after firewall
}
configure_memsize() {
if [ ! -z "$MEM_SIZE" ]; then
if [ -e /proc/sys/net/core/wmem_max ]; then
echo ${MEM_SIZE} > /proc/sys/net/core/wmem_max
fi
if [ -e /proc/sys/net/core/rmem_max ]; then
echo ${MEM_SIZE} > /proc/sys/net/core/rmem_max
fi
if [ -e /proc/sys/net/core/wmem_default ]; then
echo ${MEM_SIZE} > /proc/sys/net/core/wmem_default
fi
if [ -e /proc/sys/net/core/rmem_default ]; then
echo ${MEM_SIZE} > /proc/sys/net/core/rmem_default
fi
if [ -e /proc/sys/net/ipv4/tcp_mem ]; then
echo "${MEM_SIZE} ${MEM_SIZE} ${MEM_SIZE}" > /proc/sys/net/ipv4/tcp_mem
fi
if [ -e /proc/sys/net/ipv4/tcp_rmem ]; then
echo "${MEM_SIZE} ${MEM_SIZE} ${MEM_SIZE}" > /proc/sys/net/ipv4/tcp_rmem
fi
if [ -e /proc/sys/net/ipv4/tcp_wmem ]; then
echo "${MEM_SIZE} ${MEM_SIZE} ${MEM_SIZE}" > /proc/sys/net/ipv4/tcp_wmem
fi
fi
}
check_dev_handlers() {
if lsmod | grep "scst_" >/dev/null; then
ewarn "Device handlers found"
else
ewarn "No SCST device handlers loaded!"
ewarn "You can add them in /etc/modules"
fi
}
start() {
ebegin "Starting iscsi"
check_dev_handlers
modprobe -q crc32c
modprobe -q iscsi-scst
start-stop-daemon --start --exec /usr/sbin/iscsi-scstd
/usr/sbin/scstadmin -config /etc/scst.conf
eend 0
}
stop() {
ebegin "Stopping iscsi"
start-stop-daemon --stop --exec /usr/sbin/iscsi-scstd
rmmod -w iscsi-scst
eend 0
}
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