ipvs heartbeat

ipvsadm -C
umW9^6bf4Oo7a.f0y0
BH(p_0@8j0ipvsadm -A -t 10.1.0.254:80 -s rr
u*v
W;{o!g0ipvsadm -a -t 10.1.0.254:80 -r 10.1.0.1:80 -g51Testing软件测试网x0in(O5j%ng

U't~N%ui0ipvsadm -a -t 10.1.0.254:80 -r 10.1.0.3:80 -g51Testing软件测试网
y
c9@S@*};D:t
51Testing软件测试网Dn
rEp
ipvsadm -a -t 10.1.0.254:80 -r 10.1.0.4:80 Cg51Testing软件测试网a6x5lS3n6_.a8J
然后运行：/etc/rc.d/init.d/ipvsadm save51Testing软件测试网!B9H8]'R4i	c
就可以保存当前配置到/etc/sysconfig/ipvsadm文件中51Testing软件测试网k*?+v;qH$Rs}Yg.y&|
在DR上启用IP转发：

# Enables packet forwarding
MK?9Xr%r3A0net.ipv4.ip_forward = 1
9Wn1CL*rJ:o%h0# Enables source route verification51Testing软件测试网S0T/B+lgr2r4P
net.ipv4.conf.default.rp_filter = 1

/sbin/sysctl -p
.R%Q.y6v+V0net.ipv4.ip_forward = 151Testing软件测试网DwcT-qA
net.ipv4.conf.default.rp_filter = 1

patch -p1 < /root/hidden-2.4.25-1.diff (arp for LVS-DR/LVS-Tun)

E?SLT,o0打上补丁后需要重新编译内核：
t
e^H0}r*Q0make mrproper  检查相关文件的一致性
}m:r9z_O0make menuconfig51Testing软件测试网t9O:]ELN
make dep
&Y]J
T"u
u0W$?0make clean51Testing软件测试网"cD(Hgejc*D
make bzImage51Testing软件测试网;eMHD,Va'Z
make modules51Testing软件测试网K
mFI3h]*QMc
make modules_install

oZFz;\^4lc0depmod Ca:检查内核中有没有未解析的symbol，它是生成模块间的依赖关系，这样你启动新内核之后，使用modprobe命令加载模块时就能正确地定位模块。假如输入这个命令后看不到没有任何返回信息的话，那说明在编译过程是已经成功了
7~k%XmjC,G/f0在/boot下生成 initrd img文件：51Testing软件测试网(rScy9m9f9D"riEq
cd /boot
%L,Q{9L!v2O7t(e0mkinitrd initrd-lvs 2.4.21－27.ELcustom51Testing软件测试网!bGnj9o|'J{R Q
(后一是编译完内核后在/lib/modules/生成的，具体的文件名可以在，/usr/src/linux-2.4中的makefile中指定具体的名字，默认是initrd-当前内核名custom)51Testing软件测试网~-Po3k#y5]#e
生成新的内核引导文件：51Testing软件测试网&t8r
@tY+w*we Lw
修改启动内核：51Testing软件测试网,ees,k9JbX
cp /usr/src/linux-2.4/arch/i386/boot/bzImage /boot/vmlinuz-lvs (rs)51Testing软件测试网/gn$w\R~?!J
51Testing软件测试网
rE+t
t?
sf~}%v
cp /usr/src/liunx-2.4/System.map /boot/System.map-lvs (rs)51Testing软件测试网D&O&^+MRo:a8?y


zu6uE
E:Vwn0cp /usr/src/linux-2.4/vmlinux /boot/vmlinux-lvs (rs)51Testing软件测试网"oH,KCdk

/P#ij${1rv	a0cd /boot
6P~ i|kb051Testing软件测试网fJ*X5WSbl9yp
rm -f System.map
*QP}2uh'L8@/IQ1q"c2}_051Testing软件测试网
p?N\c]q7Yg
ln -s System.map.lvs (rs) System.map51Testing软件测试网} \.}r1t5s'n"u

F-G&d7HSy	TF0修改启动引导文件51Testing软件测试网W,kl8Z!r{6H:|
vi /boot/grub/grub.conf:51Testing软件测试网NawO;M.`-lztW|	G
51Testing软件测试网e
ku$Re#o)p |7l`*G
title Redhat-lvs51Testing软件测试网8eDV7H
r*?0A!n
  root (hd0,0)51Testing软件测试网8p0eC(J2U9j^
   kernel /boot/ vmlinuz-lvs ro root=/dev/xxx

@"iIQnf/lx&nb051Testing软件测试网/I@
m3IVxh)u
\
title Red Hat Enterprise LVS
/X6{1~;|7GI0        root (hd0,0)51Testing软件测试网:Qe-ImG!m
        kernel /vmlinuz-lvs  ro root=LABEL=/51Testing软件测试网c"PUfYN3t
        initrd /initrd-lvs
%G*Wz/[t/WS0重新启动计算机
mZI
ngu0shutdown Cr now51Testing软件测试网A^Z~$X
并用新内核引导系统，系统就有了Hidden补丁了。
h i i-l4a-m r}!`8eB!x0在rc5.d, rc3.d加入如下脚本S98startrs：使realserver启动时获得路由和禁止lo:0上arp51Testing软件测试网^Q.Q
[3a^@
ifconfig lo:0 10.1.0.254 netmask 255.255.255.255 broadcast 10.1.0.254:80 up51Testing软件测试网MFgFbB"vd9uZ
route add -host 10.1.0.254 dev lo:051Testing软件测试网(`,Pz ]RD
echo 1 >/proc/sys/net/ipv4/conf/all/hidden
S"I
mDz
r{0echo 1 >/proc/sys/net/ipv4/conf/lo/hidden
3Ct])Xu]+i-v2o!J0 51Testing软件测试网*{+^!g_CqX0b
 51Testing软件测试网|
br8o/bf,xzM
 51Testing软件测试网5z7V#`C%o`#K;S;k
#!/bin/bash51Testing软件测试网r
V^tt;f1Czn7L

X9j2w'tP0#----------mini-rc.lvs_dr-realserver------------------51Testing软件测试网9Z.M~;hx(|
51Testing软件测试网L7M\
U+@3f'O#qc7C
#installing default gw 192.168.7.254 for vs-dr
8JM7V]/C5v051Testing软件测试网*w |"ZE:z
/sbin/route add default gw 192.168.7.254

fjD?WV fL051Testing软件测试网vc(b9M/C+H	{
#showing routing table
![S/Z(i~/K${051Testing软件测试网y"}'t5P D1jb-i
/bin/netstat -rn
,IM'h'MP*O)]	K0v051Testing软件测试网i4@#^6@hB"VU
W,F
#checking if DEFAULT_GW 192.168.1.254 is reachable
Noz)zU.X0e	vy)t0
	X3JV3TSQ	@2ol0ping -c 1 192.168.7.25451Testing软件测试网gO9qC/nm#`-}d

`?2M1[
T#]051Testing软件测试网/{]o2G7A&Z
51Testing软件测试网1Qx%g`:u,A@
#set_realserver_ip_forwarding to OFF (1 on, 0 off).51Testing软件测试网O8_m+j#VH,yvqw"u

4i$b
Yw}8]
w0echo 0 >/proc/sys/net/ipv4/ip_forward
G
p
{G|!\5fg"k`051Testing软件测试网xS&bro+l{
cat    /proc/sys/net/ipv4/ip_forward51Testing软件测试网
KJ:]%j-rQ
51Testing软件测试网`@Xn$BPB4X
51Testing软件测试网r5mEGC6]|

}!WY:z8i&unHma0#looking for DIP 192.168.7.951Testing软件测试网3^9@r
Gr,U(Oxc

.c)d8f|PU0ping -c 1 192.168.7.9
8w:xv;H!Qj)H+t]051Testing软件测试网o/A/\?"U

k0iGg5| p!m051Testing软件测试网
h8eRP6k&wN
#looking for VIP (will be on director)51Testing软件测试网1]b?S,_.kO+C
51Testing软件测试网,k9IR%SN
ping -c 1 192.168.7.11051Testing软件测试网9T?4^W v
w yNz
51Testing软件测试网#NH
xZ)lbh.X

.k5b cf7@,c051Testing软件测试网WQEx;Q
C
L
#install_realserver_vip
(At7r|#S#ZfY/b051Testing软件测试网:k$lM~(Z%V
/sbin/ifconfig lo:0 192.168.7.110 broadcast 192.168.7.110 netmask 255.255.255.255 up
)L[{6M#u.RE0Z0
+f*Gk6~,^)bL0#ifconfig output
@fUGx1E3Z0
8O6|:sp*sY2b*G0/sbin/ifconfig lo:051Testing软件测试网Vwoe&o
51Testing软件测试网T/UYF!L.HgKY
#installing route for VIP 192.168.1.110 on device lo:0
&?D8eDJs051Testing软件测试网+NE$?T!izQ
US
/sbin/route add -host 192.168.7.110 dev lo:051Testing软件测试网wTl%i,J
51Testing软件测试网L[0p]
S6dZ	J:|
#listing routing info for VIP 192.168.7.110
4I-t}yk4v0
p2C
U!]x6R[\0/bin/netstat -rn
@+|R\!yYP0
ct(nxs1R051Testing软件测试网)~y-y1^$K0h

(Q0c{	|l8|;m0dL0#hiding interface lo:0, will not arp
}AMR8S#?G-m051Testing软件测试网S	v4e,K8z4u0D
echo 1 >/proc/sys/net/ipv4/conf/all/hidden51Testing软件测试网`*f,[3a
^V.i[
51Testing软件测试网#uc_[
Z)Y.{
~f
cat    /proc/sys/net/ipv4/conf/all/hidden
:?_|bO:_	SE2W051Testing软件测试网QO8_3r
k+b+P
echo 1 >/proc/sys/net/ipv4/conf/lo/hidden
7su0AbZ_B051Testing软件测试网:L8bh9['g:THzu2sH
cat    /proc/sys/net/ipv4/conf/lo/hidden
,e0Ibzw}0
-Y2^j9S4wIg0
tvh3KN%W8N051Testing软件测试网?
Z|c:[0k]%[+GJ!y
#----------mini-rc.lvs_dr-realserver------------------
-C9h];v
BW0 

# Enables packet forwarding
$S]F'Dj0net.ipv4.ip_forward = 1
k%E9Q
m%TWh0# Enables source route verification
@:R&bh CD"N0net.ipv4.conf.default.rp_filter = 1

 
An9F!A
|e0/sbin/sysctl -p51Testing软件测试网\mF#q%J{
net.ipv4.ip_forward = 151Testing软件测试网!JAWO.k1F
net.ipv4.conf.default.rp_filter = 1
{8pV-G$Qy;FY6R0通过以上修改应该ip_forward就不用在ipvsadm中手工修改了！现在还有路由不知在什么地方加！51Testing软件测试网r&Q%{
P;g{M;f2QfQ
10．Ldirectord的debug模式启动：
K;]-E|H3aBM3y0ldirectord -d ldirectord.cf start
:?&Fj%M2v?0这样可以通过重定向查看debug信息，以定位错误！51Testing软件测试网3p~'Bmg/y{.`:])_@
下面是别人的一个测试例子和报错信息：
$G[e6R%K){,k0> ldirectord -d /etc/ha.d/ldirectord.cf start51Testing软件测试网"W/C(?
y*I
`^
> DEBUG2: Running exec(/usr/sbin/ldirectord -d /etc/ha.d/ldirectord.cf start)51Testing软件测试网$o_]:E
i`&QqrX2m'Q"E
> Running exec(/usr/sbin/ldirectord -d /etc/ha.d/ldirectord.cf start)51Testing软件测试网/NO:@6o.NKYs
> DEBUG2: Starting Linux Director v1.62 with pid: 15834
4g$uco%nGULk9c0> Starting Linux Director v1.62 with pid: 1583451Testing软件测试网].q5LFwy3Fx|
> DEBUG2: Running system(/sbin/ipvsadm -A -t 192.168.0.163:80 -s rr )51Testing软件测试网3xHgs({
> Running system(/sbin/ipvsadm -A -t 192.168.0.163:80 -s rr )51Testing软件测试网G"C)f#d-lm4Z
> DEBUG2: Added virtual server: 192.168.0.163:80
"f#[4m{E
Owd5^_W0> Added virtual server: 192.168.0.163:80
6O+e
gp$oJ0> DEBUG2: Running system(/sbin/ipvsadm -a -t 192.168.0.163:80 -r 127.0.0.1:8051Testing软件测试网!N'i9{/E|K(]9It	j)m r
> -g51Testing软件测试网4x0F a"A	i
> -w 1)
6A:r~w-OX0> Running system(/sbin/ipvsadm -a -t 192.168.0.163:80 -r 127.0.0.1:80 -g -w 1)
	a@.f
_JI	Xf3}0[UU0> DEBUG2: Added fallback server: 127.0.0.1:80 (0 x 192.168.0.163:80) (Weight
"x)r-e"|
tU2yW
i0> set51Testing软件测试网)\%J%^P)v
XfO
> to 1)51Testing软件测试网.W}(b)P@a]:b
> Added fallback server: 127.0.0.1:80 (0 x 192.168.0.163:80) (Weight set to 1)

|5z
Y+m.vWa0> DEBUG2: Checking negotiate: real
	?Z7?IRj\J0> server=negotiate:http:tcp:192.168.0.160:80:\/index\.html:ds10Testseite\ fuer\
X4c1y$J5mp*y0> die\ Apache\-Installation\ auf\ dieser\ Web\ Site51Testing软件测试网4se7K'r	i)h:c:Y
> (virtual=tcp:192.168.0.163:80)51Testing软件测试网|(B7e+iY*`*@M4S
> ldirectord ldirectord.cf received signal: Can't locate LWP/UserAgent.pm in
B"K,z|8x-]ii0> @INC (@INC contains: /usr/local/lib/perl5/5.8.0/i686-linux51Testing软件测试网e9Sw	H W ?Q'z;{swX,f
> /usr/local/lib/perl5/5.8.0 /usr/local/lib/perl5/site_perl/5.8.0/i686-linux51Testing软件测试网7@.TVV
nS6^
> /usr/local/lib/perl5/site_perl/5.8.0 /usr/local/lib/perl5/site_perl .) at
JFG7S1_8^H0W
u0> /usr/sbin/ldirectord line 1514.51Testing软件测试网0fr"B4?U](^.z
 51Testing软件测试网PXb:~;r&?7V
You are missing LWP/UserAgent.pm which is part of the libwww-perl51Testing软件测试网mb^0oj
F1Xt:D
perl module. I have packages for this and all of ldirectord's51Testing软件测试网YchU5r
R4RH
dependancies available on ultramonkey.org.51Testing软件测试网'bVR @-H
 
C.o%G8`u7?W)c2j0Alternatively you can manually installed the dependancies from CPAN.
@6}Xxm9f;e(qp0(Refer to the download directory on ultramonley.org for a guide51Testing软件测试网*P
[
J,]
V;Ns$`
to the modules needed).51Testing软件测试网mC5W[$lUz
t
 
dX(M`bP0参照官方文档，将fallback重新打开了。
&zYG"Z%o@^!I0修改了ldirectord.cf中的通讯页，原来是TestPage改为index.html

patch -p1 < /root/ipvs-1.0.9/contrib/patches/hidden-2.4.20pre10-1.diff
vHV
BZ3m!I2hj0patching file include/linux/sysctl.h

      # Start the hiding interface functionality51Testing软件测试网6V	R\t g.e[wYF
echo 1 > /proc/sys/net/ipv4/conf/all/hidden51Testing软件测试网!r8rq2^0}`(G
Ab(YH
# Hide all addresses for this interface
6[8G0cP/Ug|0echo 1 > /proc/sys/net/ipv4/conf/<interface_name>/hidden51Testing软件测试网.tEbGlg&?|6`
在打patch前查看一下：