#!/bin/sh # # /etc/init.d/rcS # echo -n "mounting swap..." /sbin/swapon /dev/hdc echo "done." echo -n "setting up network..." /sbin/ifconfig lo 127.0.0.1 /sbin/ifconfig eth0 192.168.0.10 txqueuelen 1000 echo "1" > /proc/sys/net/ipv4/tcp_tw_recycle echo "1" > /proc/sys/net/ipv4/tcp_tw_reuse echo "1" > /proc/sys/net/ipv4/tcp_window_scaling echo "0" > /proc/sys/net/ipv4/tcp_timestamps echo "0" > /proc/sys/net/ipv4/tcp_sack echo "15" > /proc/sys/net/ipv4/tcp_fin_timeout echo "16384" > /proc/sys/net/ipv4/tcp_max_syn_backlog echo "262144" > /proc/sys/net/ipv4/ip_conntrack_max echo "1024 65535" > /proc/sys/net/ipv4/ip_local_port_range echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_rmem echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_wmem echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_mem #echo "262144" > /proc/sys/net/ipv4/ip_conntrack_max echo "524287" > /proc/sys/net/core/rmem_max echo "524287" > /proc/sys/net/core/wmem_max echo "524287" > /proc/sys/net/core/optmem_max echo "300000" > /proc/sys/net/core/netdev_max_backlog echo "131072" > /proc/sys/fs/file-max echo "10" > /proc/sys/vm/dirty_writeback_centisecs echo "done." cat > /etc/initiatorname.iscsi < /etc/iscsid.conf < /var/log/iscsi.log chmod 0600 /var/log/iscsi.log chmod 0666 -R /var/db/iscsi # Required for udev to activate/deactivate devices. echo "/sbin/hotplug" > /proc/sys/kernel/hotplug /sbin/insmod /modules/scsi_transport_iscsi.ko /sbin/insmod /modules/iscsi_tcp.ko # Create /dev/iscsictl if [ ! -f /dev/iscsictl ]; then while read major device do if [ "$device" == "iscsictl" ]; then mknod /dev/$device c $major 0 fi done < /proc/devices fi echo -n "Starting iscsid..." /iscsi/iscsid -f & echo -n "Waiting for server..." /usr/bin/netcat -c -l -p 8000 echo -n "Attaching target..." /iscsi/iscsiadm -m discovery -t st -p 192.168.0.1 /iscsi/iscsiadm -m node -r a0c049 --login echo "done." sleep 5 echo -n "Starting aio benchmark..." /benchmarks/aio_bench/aio-bench -n 8 -s 8 -r .666 -c 8 -i 4000 -C 500 /dev/sda # very unstable /benchmarks/aio_bench/aio-bench -n 8 -s 5120 -r .666 -c 20 -i 3000 /dev/sda # very unstable /benchmarks/aio_bench/aio-bench -n 8 -s 8 -r 0 -c 20 -i 3000 /dev/sda # stable 960 Mbps /benchmarks/aio_bench/aio-bench -n 8 -s 8 -r 1 -c 20 -i 3000 /dev/sda # very unstable /benchmarks/aio_bench/aio-bench -n 8 -s 1024 -r 1 -c 20 -i 3000 /dev/sda # stable ~1.5 Gbps /benchmarks/aio_bench/aio-bench -n 16 -s 32 -r 1 -c 50 -i 3000 /dev/sda # stable ~1.5 Gbps /benchmarks/aio_bench/aio-bench -n 50 -s 32 -r 1 -c 50 -i 3000 /dev/sda echo "starting bash shell..." /bin/bash echo -n "halting machine" m5 exit