configs/boot/iscsi-client.rcS

   1 #!/bin/sh
   2 #
   3 # /etc/init.d/rcS
   4 #
   5
   6 echo -n "mounting swap..."
   7 /sbin/swapon /dev/hdc
   8 echo "done."
   9
  10 echo -n "setting up network..."
  11 /sbin/ifconfig lo 127.0.0.1
  12 /sbin/ifconfig eth0 192.168.0.10 txqueuelen 1000
  13
  14 echo "1" > /proc/sys/net/ipv4/tcp_tw_recycle
  15 echo "1" > /proc/sys/net/ipv4/tcp_tw_reuse
  16 echo "1" > /proc/sys/net/ipv4/tcp_window_scaling
  17 echo "0" > /proc/sys/net/ipv4/tcp_timestamps
  18 echo "0" > /proc/sys/net/ipv4/tcp_sack
  19 echo "15" > /proc/sys/net/ipv4/tcp_fin_timeout
  20 echo "16384" > /proc/sys/net/ipv4/tcp_max_syn_backlog
  21 echo "262144" > /proc/sys/net/ipv4/ip_conntrack_max
  22 echo "1024 65535" > /proc/sys/net/ipv4/ip_local_port_range
  23 echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_rmem
  24 echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_wmem
  25 echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_mem
  26 #echo "262144" > /proc/sys/net/ipv4/ip_conntrack_max
  27 echo "524287" > /proc/sys/net/core/rmem_max
  28 echo "524287" > /proc/sys/net/core/wmem_max
  29 echo "524287" > /proc/sys/net/core/optmem_max
  30 echo "300000" > /proc/sys/net/core/netdev_max_backlog
  31 echo "131072" > /proc/sys/fs/file-max
  32 echo "1" > /proc/sys/vm/dirty_writeback_centisecs
  33 echo "done."
  34
  35 cat > /etc/initiatorname.iscsi <<EOF
  36 InitiatorName=iqn.1987-05.10.0.168.192
  37 EOF
  38
  39 cat > /etc/iscsid.conf <<EOF
  40 node.active_cnx = 1
  41 node.startup = manual
  42 #node.session.auth.username = dima
  43 #node.session.auth.password = aloha
  44 node.session.timeo.replacement_timeout = 0
  45 node.session.err_timeo.abort_timeout = 10
  46 node.session.err_timeo.reset_timeout = 30
  47 node.session.iscsi.InitialR2T = No
  48 node.session.iscsi.ImmediateData = Yes
  49 node.session.iscsi.FirstBurstLength = 262144
  50 node.session.iscsi.MaxBurstLength = 16776192
  51 node.session.iscsi.DefaultTime2Wait = 0
  52 node.session.iscsi.DefaultTime2Retain = 0
  53 node.session.iscsi.MaxConnections = 0
  54 node.cnx[0].iscsi.HeaderDigest = None
  55 node.cnx[0].iscsi.DataDigest = None
  56 node.cnx[0].iscsi.MaxRecvDataSegmentLength = 65536
  57 #discovery.sendtargets.auth.authmethod = CHAP
  58 #discovery.sendtargets.auth.username = dima
  59 #discovery.sendtargets.auth.password = aloha
  60 EOF
  61
  62 #mount -t sysfs none /sys
  63
  64 echo "" > /var/log/iscsi.log
  65 chmod 0600 /var/log/iscsi.log
  66 chmod 0666 -R /var/db/iscsi
  67
  68 # Required for udev to activate/deactivate devices.
  69 echo "/sbin/hotplug" > /proc/sys/kernel/hotplug
  70
  71 /sbin/insmod /modules/scsi_transport_iscsi.ko
  72 /sbin/insmod /modules/iscsi_tcp.ko
  73
  74 echo "Starting iscsid..."
  75 /iscsi/iscsid -f &
  76
  77 sleep 1
  78
  79 echo "Waiting for server..."
  80 netcat -c -l -p 8000
  81
  82 echo "Attaching target..."
  83 /iscsi/iscsiadm -m discovery -t st -p 192.168.0.1
  84 /iscsi/iscsiadm -m node -r a0c049 --login
  85 echo "done."
  86
  87 sleep 5
  88
  89 #PARAMS="-n 8 -s 8 -r .666 -c 50"         # lisa default
  90 #PARAMS="-n 8 -s 5120 -r .666 -c 20"      # very unstable
  91 #PARAMS="-n 8 -s 8 -r 0 -c 20"            # very unstable
  92 #PARAMS="-n 8 -s 8 -r 1 -c 20"            # stable 960 Mbps
  93 #PARAMS="-n 8 -s 1024 -r 1 -c 20"         # very unstable
  94 #PARAMS="-n 16 -s 32 -r 1 -c 50"          # stable ~1.5 Gbps
  95 #PARAMS="-n 50 -s 32 -r 1 -c 50"          # stable ~1.5 Gbps
  96 PARAMS="-n 50 -s 8 -r .666 -c 50"
  97 COMMAND="/benchmarks/aio-bench $PARAMS -i 1000000 -C 50000 /dev/sda"
  98
  99 echo "Starting aio benchmark..."
 100 echo $COMMAND
 101 eval $COMMAND
 102
 103 echo "starting bash shell..."
 104 /bin/bash
 105
 106 echo -n "halting machine"
 107 m5 exit