blob: cfa87652e09eabfe0b9bce337f00ccdcb2caa0e4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
#!/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 "1" > /proc/sys/vm/dirty_writeback_centisecs
echo "done."
cat > /etc/initiatorname.iscsi <<EOF
InitiatorName=iqn.1987-05.10.0.168.192
EOF
cat > /etc/iscsid.conf <<EOF
node.active_cnx = 1
node.startup = manual
#node.session.auth.username = dima
#node.session.auth.password = aloha
node.session.timeo.replacement_timeout = 0
node.session.err_timeo.abort_timeout = 10
node.session.err_timeo.reset_timeout = 30
node.session.iscsi.InitialR2T = No
node.session.iscsi.ImmediateData = Yes
node.session.iscsi.FirstBurstLength = 262144
node.session.iscsi.MaxBurstLength = 16776192
node.session.iscsi.DefaultTime2Wait = 0
node.session.iscsi.DefaultTime2Retain = 0
node.session.iscsi.MaxConnections = 0
node.cnx[0].iscsi.HeaderDigest = None
node.cnx[0].iscsi.DataDigest = None
node.cnx[0].iscsi.MaxRecvDataSegmentLength = 65536
#discovery.sendtargets.auth.authmethod = CHAP
#discovery.sendtargets.auth.username = dima
#discovery.sendtargets.auth.password = aloha
EOF
#mount -t sysfs none /sys
echo "" > /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
echo "Starting iscsid..."
/iscsi/iscsid -f &
sleep 1
echo "Waiting for server..."
netcat -c -l -p 8000
echo "Attaching target..."
/iscsi/iscsiadm -m discovery -t st -p 192.168.0.1
/iscsi/iscsiadm -m node -r a0c049 --login
echo "done."
sleep 5
#PARAMS="-n 8 -s 8 -r .666 -c 50" # lisa default
#PARAMS="-n 8 -s 5120 -r .666 -c 20" # very unstable
#PARAMS="-n 8 -s 8 -r 0 -c 20" # very unstable
#PARAMS="-n 8 -s 8 -r 1 -c 20" # stable 960 Mbps
#PARAMS="-n 8 -s 1024 -r 1 -c 20" # very unstable
#PARAMS="-n 16 -s 32 -r 1 -c 50" # stable ~1.5 Gbps
#PARAMS="-n 50 -s 32 -r 1 -c 50" # stable ~1.5 Gbps
PARAMS="-n 50 -s 8 -r .666 -c 50"
COMMAND="/benchmarks/aio-bench $PARAMS -i 1000000 -C 50000 /dev/sda"
echo "Starting aio benchmark..."
echo $COMMAND
eval $COMMAND
echo "starting bash shell..."
/bin/bash
echo -n "halting machine"
m5 exit
|
