110 lines
3.5 KiB
Bash
110 lines
3.5 KiB
Bash
#!/bin/sh
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#
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# /etc/init.d/rcS
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#
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echo -n "mounting swap..."
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/sbin/swapon /dev/hdc
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echo "done."
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echo -n "setting up network..."
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/sbin/ifconfig lo 127.0.0.1
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/sbin/ifconfig eth0 192.168.0.10 txqueuelen 1000
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echo "1" > /proc/sys/net/ipv4/tcp_tw_recycle
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echo "1" > /proc/sys/net/ipv4/tcp_tw_reuse
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echo "1" > /proc/sys/net/ipv4/tcp_window_scaling
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echo "0" > /proc/sys/net/ipv4/tcp_timestamps
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echo "0" > /proc/sys/net/ipv4/tcp_sack
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echo "15" > /proc/sys/net/ipv4/tcp_fin_timeout
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echo "16384" > /proc/sys/net/ipv4/tcp_max_syn_backlog
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echo "262144" > /proc/sys/net/ipv4/ip_conntrack_max
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echo "1024 65535" > /proc/sys/net/ipv4/ip_local_port_range
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echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_rmem
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echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_wmem
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echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_mem
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#echo "262144" > /proc/sys/net/ipv4/ip_conntrack_max
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echo "524287" > /proc/sys/net/core/rmem_max
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echo "524287" > /proc/sys/net/core/wmem_max
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echo "524287" > /proc/sys/net/core/optmem_max
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echo "300000" > /proc/sys/net/core/netdev_max_backlog
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echo "131072" > /proc/sys/fs/file-max
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echo "10" > /proc/sys/vm/dirty_writeback_centisecs
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echo "done."
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cat > /etc/initiatorname.iscsi <<EOF
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InitiatorName=iqn.1987-05.10.0.168.192
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EOF
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cat > /etc/iscsid.conf <<EOF
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node.active_cnx = 1
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node.startup = manual
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#node.session.auth.username = dima
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#node.session.auth.password = aloha
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node.session.timeo.replacement_timeout = 0
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node.session.err_timeo.abort_timeout = 10
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node.session.err_timeo.reset_timeout = 30
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node.session.iscsi.InitialR2T = No
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node.session.iscsi.ImmediateData = Yes
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node.session.iscsi.FirstBurstLength = 262144
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node.session.iscsi.MaxBurstLength = 16776192
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node.session.iscsi.DefaultTime2Wait = 0
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node.session.iscsi.DefaultTime2Retain = 0
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node.session.iscsi.MaxConnections = 0
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node.cnx[0].iscsi.HeaderDigest = None
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node.cnx[0].iscsi.DataDigest = None
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node.cnx[0].iscsi.MaxRecvDataSegmentLength = 65536
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#discovery.sendtargets.auth.authmethod = CHAP
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#discovery.sendtargets.auth.username = dima
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#discovery.sendtargets.auth.password = aloha
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EOF
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mount -t sysfs none /sys
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echo "" > /var/log/iscsi.log
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chmod 0600 /var/log/iscsi.log
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chmod 0666 -R /var/db/iscsi
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# Required for udev to activate/deactivate devices.
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echo "/sbin/hotplug" > /proc/sys/kernel/hotplug
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/sbin/insmod /modules/scsi_transport_iscsi.ko
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/sbin/insmod /modules/iscsi_tcp.ko
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# Create /dev/iscsictl
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if [ ! -f /dev/iscsictl ]; then
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while read major device
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do
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if [ "$device" == "iscsictl" ]; then
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mknod /dev/$device c $major 0
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fi
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done < /proc/devices
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fi
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echo -n "Starting iscsid..."
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/iscsi/iscsid -f &
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echo -n "Waiting for server..."
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/usr/bin/netcat -c -l -p 8000
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echo -n "Attaching target..."
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/iscsi/iscsiadm -m discovery -t st -p 192.168.0.1
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/iscsi/iscsiadm -m node -r a0c049 --login
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echo "done."
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sleep 5
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echo -n "Starting aio benchmark..."
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/benchmarks/aio_bench/aio-bench -n 8 -s 8 -r .666 -c 8 -i 4000 -C 500 /dev/sda
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# very unstable /benchmarks/aio_bench/aio-bench -n 8 -s 5120 -r .666 -c 20 -i 3000 /dev/sda
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# very unstable /benchmarks/aio_bench/aio-bench -n 8 -s 8 -r 0 -c 20 -i 3000 /dev/sda
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# stable 960 Mbps /benchmarks/aio_bench/aio-bench -n 8 -s 8 -r 1 -c 20 -i 3000 /dev/sda
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# very unstable /benchmarks/aio_bench/aio-bench -n 8 -s 1024 -r 1 -c 20 -i 3000 /dev/sda
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# stable ~1.5 Gbps /benchmarks/aio_bench/aio-bench -n 16 -s 32 -r 1 -c 50 -i 3000 /dev/sda
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# stable ~1.5 Gbps /benchmarks/aio_bench/aio-bench -n 50 -s 32 -r 1 -c 50 -i 3000 /dev/sda
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echo "starting bash shell..."
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/bin/bash
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echo -n "halting machine"
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m5 exit
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