lvs -dr

大家好，又见面了，我是你们的朋友全栈君。[kiosk@foundation15 Desktop]$ rht-vmctl start all

Starting node1.

Starting node2.

Starting node3.

Starting node4.

Starting lvs1.

Starting lvs2.

[kiosk@foundation15 Desktop]$ rht-vmctl start all

Error: node1 not started (is already running)

Error: node2 not started (is already running)

Error: node3 not started (is already running)

Error: node4 not started (is already running)

Error: lvs1 not started (is already running)

Error: lvs2 not started (is already running)

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

root@172.25.15.14’s password: 

Last login: Thu Jul  2 16:02:25 2015 from 172.25.0.250

[root@rhel6 ~]# wget http://classroom.example.com/content/ula/cluster/clusterinit.sh

–2016-09-30 09:51:04–  http://classroom.example.com/content/ula/cluster/clusterinit.sh

Resolving classroom.example.com… 172.25.254.254

Connecting to classroom.example.com|172.25.254.254|:80… connected.

HTTP request sent, awaiting response… 200 OK

Length: 2550 (2.5K) [application/x-sh]

Saving to: “clusterinit.sh”

100%[======================================>] 2,550       –.-K/s   in 0s      

2016-09-30 09:51:04 (246 MB/s) – “clusterinit.sh” saved [2550/2550]

[root@rhel6 ~]#  bash clusterinit.sh lvs1-f15.example.com

Stopping NetworkManager daemon:                            [  OK  ]

iptables: Saving firewall rules to /etc/sysconfig/iptables:[  OK  ]

[root@rhel6 ~]# reboot

Broadcast message from root@lvs1-f15.example.com


(/dev/pts/0) at 9:51 …

The system is going down for reboot NOW!

[root@rhel6 ~]# Connection to 172.25.15.14 closed by remote host.

Connection to 172.25.15.14 closed.

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

\root@172.25.15.14’s password: 

Last login: Fri Sep 30 09:50:08 2016 from 172.25.15.250

[root@lvs1-f15 ~]# vim /etc/sysctl.conf

[root@lvs1-f15 ~]#  sysctl -p

net.ipv4.ip_forward = 1

net.ipv4.conf.default.rp_filter = 1

net.ipv4.conf.default.accept_source_route = 0

kernel.sysrq = 0

kernel.core_uses_pid = 1

net.ipv4.tcp_syncookies = 1

error: “net.bridge.bridge-nf-call-ip6tables” is an unknown key

error: “net.bridge.bridge-nf-call-iptables” is an unknown key

error: “net.bridge.bridge-nf-call-arptables” is an unknown key

kernel.msgmnb = 65536

kernel.msgmax = 65536

kernel.shmmax = 68719476736

kernel.shmall = 4294967296

[root@lvs1-f15 ~]# yum groupinstall “load Balancer”

Loaded plugins: product-id, refresh-packagekit, security, subscription-manager

This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.

HighAvailability                                         | 3.9 kB     00:00     

HighAvailability/primary_db                              |  43 kB     00:00     

LoadBalancer                                             | 3.9 kB     00:00     

LoadBalancer/primary_db                                  | 7.0 kB     00:00     

ResilientStorage                                         | 3.9 kB     00:00     

ResilientStorage/primary_db                              |  47 kB     00:00     

ScalableFileSystem                                       | 3.9 kB     00:00     

ScalableFileSystem/primary_db                            | 6.8 kB     00:00     

server                                                   | 3.9 kB     00:00     

server/primary_db                                        | 3.1 MB     00:00     

Setting up Group Process

HighAvailability/group_gz                                | 4.0 kB     00:00     

LoadBalancer/group_gz                                    | 2.1 kB     00:00     

ResilientStorage/group_gz                                | 5.6 kB     00:00     

ScalableFileSystem/group_gz                              | 2.7 kB     00:00     

server/group_gz                                          | 204 kB     00:00     

Resolving Dependencies

–> Running transaction check

—> Package ipvsadm.x86_64 0:1.26-2.el6 will be installed

—> Package piranha.x86_64 0:0.8.6-4.el6 will be installed

–> Processing Dependency: php for package: piranha-0.8.6-4.el6.x86_64

–> Running transaction check

—> Package php.x86_64 0:5.3.3-26.el6 will be installed

–> Processing Dependency: php-common(x86-64) = 5.3.3-26.el6 for package: php-5.3.3-26.el6.x86_64

–> Processing Dependency: php-cli(x86-64) = 5.3.3-26.el6 for package: php-5.3.3-26.el6.x86_64

–> Running transaction check

—> Package php-cli.x86_64 0:5.3.3-26.el6 will be installed

—> Package php-common.x86_64 0:5.3.3-26.el6 will be installed

–> Finished Dependency Resolution

Dependencies Resolved

================================================================================

 Package           Arch          Version              Repository           Size

================================================================================

Installing:

 ipvsadm           x86_64        1.26-2.el6           LoadBalancer         41 k

 piranha           x86_64        0.8.6-4.el6          LoadBalancer        624 k

Installing for dependencies:

 php               x86_64        5.3.3-26.el6         server              1.1 M

 php-cli           x86_64        5.3.3-26.el6         server              2.2 M

 php-common        x86_64        5.3.3-26.el6         server              525 k

Transaction Summary

================================================================================

Install       5 Package(s)

Total download size: 4.5 M

Installed size: 18 M

Is this ok [y/N]: y

Downloading Packages:

(1/5): ipvsadm-1.26-2.el6.x86_64.rpm                     |  41 kB     00:00     

(2/5): php-5.3.3-26.el6.x86_64.rpm                       | 1.1 MB     00:00     

(3/5): php-cli-5.3.3-26.el6.x86_64.rpm                   | 2.2 MB     00:00     

(4/5): php-common-5.3.3-26.el6.x86_64.rpm                | 525 kB     00:00     

(5/5): piranha-0.8.6-4.el6.x86_64.rpm                    | 624 kB     00:00     

——————————————————————————–

Total                                           4.6 MB/s | 4.5 MB     00:00     

Running rpm_check_debug

Running Transaction Test

Transaction Test Succeeded

Running Transaction

  Installing : php-common-5.3.3-26.el6.x86_64                               1/5 

  Installing : php-cli-5.3.3-26.el6.x86_64                                  2/5 

  Installing : php-5.3.3-26.el6.x86_64                                      3/5 

  Installing : ipvsadm-1.26-2.el6.x86_64                                    4/5 

  Installing : piranha-0.8.6-4.el6.x86_64                                   5/5 

HighAvailability/productid                               | 1.7 kB     00:00     

LoadBalancer/productid                                   | 1.7 kB     00:00     

ResilientStorage/productid                               | 1.7 kB     00:00     

ScalableFileSystem/productid                             | 1.8 kB     00:00     

server/productid                                         | 1.7 kB     00:00     

  Verifying  : piranha-0.8.6-4.el6.x86_64                                   1/5 

  Verifying  : php-5.3.3-26.el6.x86_64                                      2/5 

  Verifying  : php-cli-5.3.3-26.el6.x86_64                                  3/5 

  Verifying  : php-common-5.3.3-26.el6.x86_64                               4/5 

  Verifying  : ipvsadm-1.26-2.el6.x86_64                                    5/5 

Installed:

  ipvsadm.x86_64 0:1.26-2.el6            piranha.x86_64 0:0.8.6-4.el6           

Dependency Installed:

  php.x86_64 0:5.3.3-26.el6                php-cli.x86_64 0:5.3.3-26.el6        

  php-common.x86_64 0:5.3.3-26.el6        

Complete!

[root@lvs1-f15 ~]# route -n

Kernel IP routing table

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface

172.25.15.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0

192.168.122.0   0.0.0.0         255.255.255.0   U     0      0        0 eth2

169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 eth0

169.254.0.0     0.0.0.0         255.255.0.0     U     1004   0        0 eth2

0.0.0.0         172.25.15.254   0.0.0.0         UG    0      0        0 eth0

[root@lvs1-f15 ~]# cat /proc/sys/net/ipv4/ip_forward

1

[root@lvs1-f15 ~]# service piranha-gui start

Starting piranha-gui:                                      [  OK  ]

[root@lvs1-f15 ~]# chkconfig piranha-gui on

[root@lvs1-f15 ~]# piranha-passwd

New Password: 

Verify: 

Adding password for user piranha

[root@lvs1-f15 ~]# yum -y install links

Loaded plugins: product-id, refresh-packagekit, security, subscription-manager

This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.

Setting up Install Process

Resolving Dependencies

–> Running transaction check

—> Package elinks.x86_64 0:0.12-0.21.pre5.el6_3 will be installed

–> Processing Dependency: libnss_compat_ossl.so.0()(64bit) for package: elinks-0.12-0.21.pre5.el6_3.x86_64

–> Running transaction check

—> Package nss_compat_ossl.x86_64 0:0.9.6-1.el6 will be installed

–> Finished Dependency Resolution

Dependencies Resolved

================================================================================

 Package              Arch        Version                     Repository   Size

================================================================================

Installing:

 elinks               x86_64      0.12-0.21.pre5.el6_3        server      838 k

Installing for dependencies:

 nss_compat_ossl      x86_64      0.9.6-1.el6                 server       34 k

Transaction Summary

================================================================================

Install       2 Package(s)

Total download size: 871 k

Installed size: 2.6 M

Downloading Packages:

(1/2): elinks-0.12-0.21.pre5.el6_3.x86_64.rpm            | 838 kB     00:00     

(2/2): nss_compat_ossl-0.9.6-1.el6.x86_64.rpm            |  34 kB     00:00     

——————————————————————————–

Total                                           2.8 MB/s | 871 kB     00:00     

Running rpm_check_debug

Running Transaction Test

Transaction Test Succeeded

Running Transaction

  Installing : nss_compat_ossl-0.9.6-1.el6.x86_64                           1/2 

  Installing : elinks-0.12-0.21.pre5.el6_3.x86_64                           2/2 

  Verifying  : nss_compat_ossl-0.9.6-1.el6.x86_64                           1/2 

  Verifying  : elinks-0.12-0.21.pre5.el6_3.x86_64                           2/2 

Installed:

  elinks.x86_64 0:0.12-0.21.pre5.el6_3                                          

Dependency Installed:

  nss_compat_ossl.x86_64 0:0.9.6-1.el6                                          

Complete!

[root@lvs1-f15 ~]# vim /bin/testlink.sh

[root@lvs1-f15 ~]#  bash /bin/testlink.sh 192.168.122.41

ok

[root@lvs1-f15 ~]# chmod +x /bin/testlink.sh 

[root@lvs1-f15 ~]# scp /bin/testlink.sh lvs2-f15:/bin

The authenticity of host ‘lvs2-f15 (172.25.15.15)’ can’t be established.

RSA key fingerprint is cf:7c:26:aa:4f:41:7b:21:5e:09:ce:8a:15:2c:97:32.

Are you sure you want to continue connecting (yes/no)? yes

Warning: Permanently added ‘lvs2-f15,172.25.15.15’ (RSA) to the list of known hosts.

root@lvs2-f15’s password: 

testlink.sh                                   100%   98     0.1KB/s   00:00    

[root@lvs1-f15 ~]# ll /bin/testlink.sh

-rwxr-xr-x 1 root root 98 Sep 30 10:55 /bin/testlink.sh

[root@lvs1-f15 ~]# scp /etc/sysconfig/ha/lvs.cf lvs2-f15:/etc/sysconfig/ha/lvs.cf

root@lvs2-f15’s password: 

lvs.cf                                        100%  977     1.0KB/s   00:00    

[root@lvs1-f15 ~]# service pulse start

Starting pulse:                                            [  OK  ]

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

TCP  172.25.15.100:80 wlc

  -> 192.168.122.40:80            Masq    1      0          0         

  -> 192.168.122.41:80            Masq    1      0          0         

[root@lvs1-f15 ~]#  ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

TCP  172.25.15.100:80 wlc

  -> 192.168.122.40:80            Masq    1      0          0         

  -> 192.168.122.41:80            Masq    1      0          0         

[root@lvs1-f15 ~]#  ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

TCP  172.25.15.100:80 wlc

  -> 192.168.122.40:80            Masq    1      0          0         

  -> 192.168.122.41:80            Masq    1      0          0         

[root@lvs1-f15 ~]#  ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

TCP  172.25.15.100:80 wlc

  -> 192.168.122.40:80            Masq    1      0          0         

  -> 192.168.122.41:80            Masq    1      0          0         

[root@lvs1-f15 ~]# poweroff

[root@lvs1-f15 ~]# 

Broadcast message from root@lvs1-f15.example.com


(/dev/pts/0) at 10:59 …

The system is going down for power off NOW!

Connection to 172.25.15.14 closed by remote host.

Connection to 172.25.15.14 closed.

[kiosk@foundation15 Desktop]$ rht-vmctl start all

Error: node1 not started (is already running)

Error: node2 not started (is already running)

Error: node3 not started (is already running)

Error: node4 not started (is already running)

Starting lvs1.

Error: lvs2 not started (is already running)

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

^[[A^[[Assh: connect to host 172.25.15.14 port 22: Connection refused

[kiosk@foundation15 Desktop]$ rht-vmctl start all^C

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

root@172.25.15.14’s password: 

Last login: Fri Sep 30 09:52:38 2016 from 172.25.15.250

[root@lvs1-f15 ~]# service pulse start

Starting pulse:                                            [  OK  ]

[root@lvs1-f15 ~]#  ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

[root@lvs1-f15 ~]# service pulse stop

Shutting down pulse:                                       [  OK  ]

[root@lvs1-f15 ~]# service pulse start

Starting pulse:                                            [  OK  ]

[root@lvs1-f15 ~]# ll /etc/sysconfig/ha/lvs.cf 

-rw-rw-r– 1 root piranha 977 Sep 30 10:57 /etc/sysconfig/ha/lvs.cf

[root@lvs1-f15 ~]# service pulse start

Starting pulse: 

[root@lvs1-f15 ~]#  ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

TCP  172.25.15.100:80 wlc

  -> 192.168.122.40:80            Masq    1      0          0         

  -> 192.168.122.41:80            Masq    1      0          0         

[root@lvs1-f15 ~]# service pulse stop

Shutting down pulse:                                       [  OK  ]

[root@lvs1-f15 ~]# service pulse start

Starting pulse:                                            [  OK  ]

[root@lvs1-f15 ~]#  ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

TCP  172.25.15.100:80 wlc

  -> 192.168.122.40:80            Masq    1      0          0         

  -> 192.168.122.41:80            Masq    1      0          0         

[root@lvs1-f15 ~]# reboot

[root@lvs1-f15 ~]# 

Broadcast message from root@lvs1-f15.example.com


(/dev/pts/0) at 11:06 …

The system is going down for reboot NOW!

Connection to 172.25.15.14 closed by remote host.

Connection to 172.25.15.14 closed.

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

root@172.25.15.14’s password: 

Last login: Fri Sep 30 11:00:20 2016 from 172.25.15.250

[root@lvs1-f15 ~]# service pulse stop

Shutting down pulse:                                       [FAILED]

[root@lvs1-f15 ~]# rm /etc/sysconfig/ha/lvs.cf 

rm: remove regular file `/etc/sysconfig/ha/lvs.cf’? y

[root@lvs1-f15 ~]# service piranha-gui restart

[root@lvs1-f15 ~]# touch /etc/sysconfig/ha/lvs.cf 

[root@lvs1-f15 ~]# service piranha-gui restart

Shutting down piranha-gui:                                 [  OK  ]

Starting piranha-gui:                                      [  OK  ]

[root@lvs1-f15 ~]# ll /etc/sysconfig/ha/lvs.cf 

-rw-r–r– 1 root root 977 Sep 30 11:11 /etc/sysconfig/ha/lvs.cf

[root@lvs1-f15 ~]# chuser -g piranha /etc/sysconfig/ha/lvs.cf

-bash: chuser: command not found

[root@lvs1-f15 ~]# chown root:piranha /etc/sysconfig/ha/lvs.cf

[root@lvs1-f15 ~]# service piranha-gui restart

Shutting down piranha-gui:                                 [  OK  ]

Starting piranha-gui:                                      [  OK  ]

[root@lvs1-f15 ~]# chmod 664 /etc/sysconfig/ha/lvs.cf

[root@lvs1-f15 ~]# service piranha-gui restart

Shutting down piranha-gui:                                 [  OK  ]

Starting piranha-gui:                                      [  OK  ]

[root@lvs1-f15 ~]# scp /etc/sysconfig/ha/lvs.cf lvs2-f15:/etc/sysconfig/ha/lvs.cf

root@lvs2-f15’s password: 

lvs.cf                                                                        100%  977     1.0KB/s   00:00    

[root@lvs1-f15 ~]# service pulse start

Starting pulse:                                            [  OK  ]

[root@lvs1-f15 ~]# ipvsadm -L -m

Illegal ‘forwarding-method’ option with the ‘list’ command

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

TCP  172.25.15.100:80 wlc

  -> 192.168.122.40:80            Masq    1      0          0         

  -> 192.168.122.41:80            Masq    1      0          0         

[root@lvs1-f15 ~]# poweroff

[root@lvs1-f15 ~]# 

Broadcast message from root@lvs1-f15.example.com


(/dev/pts/0) at 11:18 …

The system is going down for power off NOW!

Connection to 172.25.15.14 closed by remote host.

Connection to 172.25.15.14 closed.

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

^[[A^[[A^C

[kiosk@foundation15 Desktop]$ rht-vmctl start all

Error: node1 not started (is already running)

Error: node2 not started (is already running)

Error: node3 not started (is already running)

Error: node4 not started (is already running)

Starting lvs1.

Error: lvs2 not started (is already running)

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

ssh: connect to host 172.25.15.14 port 22: Connection refused

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

root@172.25.15.14’s password: 

Last login: Fri Sep 30 11:07:07 2016 from 172.25.15.250

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

[root@lvs1-f15 ~]# service pulse start

Starting pulse:                                            [  OK  ]

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

TCP  172.25.15.100:80 wlc

  -> 192.168.122.40:80            Masq    1      0          0         

  -> 192.168.122.41:80            Masq    1      0          0         

[root@lvs1-f15 ~]# service pulse stop

Shutting down pulse:                                       [  OK  ]

[root@lvs1-f15 ~]#  service pulse restart

Shutting down pulse:                                       [FAILED]

Starting pulse:                                            [  OK  ]

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

TCP  172.25.15.100:80 wlc

  -> 192.168.122.40:80            Masq    1      0          0         

  -> 192.168.122.41:80            Masq    1      0          0         

[root@lvs1-f15 ~]# poweroff

[root@lvs1-f15 ~]# 

Broadcast message from root@lvs1-f15.example.com


(/dev/pts/0) at 11:29 …

The system is going down for power off NOW!

Connection to 172.25.15.14 closed by remote host.

Connection to 172.25.15.14 closed.

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

^[[A^C

[kiosk@foundation15 Desktop]$ rht-vmctl start all

Error: node1 not started (is already running)

Error: node2 not started (is already running)

Error: node3 not started (is already running)

Error: node4 not started (is already running)

Starting lvs1.

Error: lvs2 not started (is already running)

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

root@172.25.15.14’s password: 

Last login: Fri Sep 30 11:21:06 2016 from 172.25.15.250

[root@lvs1-f15 ~]#  vim /etc/sysconfig/network-scripts/ifcfg-eth2

[root@lvs1-f15 ~]# service network restart

Shutting down interface eth0:                              [  OK  ]

Shutting down interface eth2:                              [  OK  ]

Shutting down loopback interface:                          [  OK  ]

Bringing up loopback interface:                            [  OK  ]

Bringing up interface eth0:  Determining if ip address 172.25.15.14 is already in use for device eth0…

                                                           [  OK  ]

[root@lvs1-f15 ~]# ifconfig

eth0      Link encap:Ethernet  HWaddr 52:54:00:00:0F:0E  

          inet addr:172.25.15.14  Bcast:172.25.15.255  Mask:255.255.255.0

          inet6 addr: fe80::5054:ff:fe00:f0e/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:671 errors:0 dropped:0 overruns:0 frame:0

          TX packets:144 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000 

          RX bytes:62821 (61.3 KiB)  TX bytes:18449 (18.0 KiB)

lo        Link encap:Local Loopback  

          inet addr:127.0.0.1  Mask:255.0.0.0

          inet6 addr: ::1/128 Scope:Host

          UP LOOPBACK RUNNING  MTU:16436  Metric:1

          RX packets:4 errors:0 dropped:0 overruns:0 frame:0

          TX packets:4 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0 

          RX bytes:240 (240.0 b)  TX bytes:240 (240.0 b)

[root@lvs1-f15 ~]# ifconfig eth0:0 192.168.115.44 netmask 255.255.255.0

[root@lvs1-f15 ~]# service pirnaha restart

pirnaha: unrecognized service

[root@lvs1-f15 ~]# service pirnaha-gui restart

pirnaha-gui: unrecognized service

[root@lvs1-f15 ~]# service piranha-gui restart

Shutting down piranha-gui:                                 [  OK  ]

Starting piranha-gui:                                      [  OK  ]

[root@lvs1-f15 ~]# service pulse restart

Shutting down pulse:                                       [FAILED]

Starting pulse:                                            [  OK  ]

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

[root@lvs1-f15 ~]# ping 172.25.0.254

PING 172.25.0.254 (172.25.0.254) 56(84) bytes of data.

64 bytes from 172.25.0.254: icmp_seq=1 ttl=64 time=0.697 ms

64 bytes from 172.25.0.254: icmp_seq=2 ttl=64 time=0.670 ms

64 bytes from 172.25.0.254: icmp_seq=3 ttl=64 time=0.716 ms

^C

— 172.25.0.254 ping statistics —

3 packets transmitted, 3 received, 0% packet loss, time 2303ms

rtt min/avg/max/mdev = 0.670/0.694/0.716/0.028 ms

[root@lvs1-f15 ~]# arp -an |grep 254 

? (172.25.15.254) at 52:54:00:00:00:fe [ether] on eth0

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

[root@lvs1-f15 ~]# service pulse restart

Shutting down pulse:                                       [  OK  ]

Starting pulse:                                            [  OK  ]

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

[root@lvs1-f15 ~]# ipvsadm -L -n

IP Virtual Server version 1.2.1 (size=4096)

Prot LocalAddress:Port Scheduler Flags

  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn

[root@lvs1-f15 ~]# ping 192.168.115.40

PING 192.168.115.40 (192.168.115.40) 56(84) bytes of data.

64 bytes from 192.168.115.40: icmp_seq=1 ttl=64 time=0.489 ms

64 bytes from 192.168.115.40: icmp_seq=2 ttl=64 time=0.606 ms

^C

— 192.168.115.40 ping statistics —

2 packets transmitted, 2 received, 0% packet loss, time 1983ms

rtt min/avg/max/mdev = 0.489/0.547/0.606/0.063 ms

[root@lvs1-f15 ~]# ping 192.168.115.41

PING 192.168.115.41 (192.168.115.41) 56(84) bytes of data.

64 bytes from 192.168.115.41: icmp_seq=1 ttl=64 time=0.628 ms

64 bytes from 192.168.115.41: icmp_seq=2 ttl=64 time=0.483 ms

64 bytes from 192.168.115.41: icmp_seq=3 ttl=64 time=0.491 ms

^C

— 192.168.115.41 ping statistics —

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14

root@172.25.15.14’s password: 

Last login: Fri Sep 30 12:25:27 2016 from 172.25.15.250

[root@lvs1-f15 ~]# ssh 192.168.115.40

The authenticity of host ‘192.168.115.40 (192.168.115.40)’ can’t be established.

RSA key fingerprint is cf:7c:26:aa:4f:41:7b:21:5e:09:ce:8a:15:2c:97:32.

Are you sure you want to continue connecting (yes/no)? yes

Warning: Permanently added ‘192.168.115.40’ (RSA) to the list of known hosts.

root@192.168.115.40’s password: 

Last login: Fri Sep 30 12:12:15 2016 from 172.25.15.250

[root@node1-f15 ~]# cd /tmp

[root@node1-f15 tmp]# vim ip.sh

[root@node1-f15 tmp]# vim ip.sh

[root@node1-f15 tmp]# route -n

Kernel IP routing table

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface

192.168.115.0   0.0.0.0         255.255.255.0   U     0      0        0 eth0

169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 eth0

[root@node1-f15 tmp]# route -n

Kernel IP routing table

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface

192.168.115.0   0.0.0.0         255.255.255.0   U     0      0        0 eth0

169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 eth0

[root@node1-f15 tmp]# route add default gw 172.25.0.254

SIOCADDRT: No such process

[root@node1-f15 tmp]# bash ip sh

/sbin/ip: /sbin/ip: cannot execute binary file

[root@node1-f15 tmp]# bash ip.sh

[root@node1-f15 tmp]# route add default gw 172.25.0.254

SIOCADDRT: No such process

[root@node1-f15 tmp]# ifconfig

eth0      Link encap:Ethernet  HWaddr 52:54:00:00:0F:0A  

          inet addr:192.168.115.40  Bcast:192.168.115.255  Mask:255.255.255.0

          inet6 addr: fe80::5054:ff:fe00:f0a/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:27673 errors:0 dropped:0 overruns:0 frame:0

          TX packets:2129 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000 

          RX bytes:5789156 (5.5 MiB)  TX bytes:212066 (207.0 KiB)

eth0:1    Link encap:Ethernet  HWaddr 52:54:00:00:0F:0A  

          inet addr:172.25.15.100  Bcast:172.25.15.255  Mask:255.255.255.0

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

lo        Link encap:Local Loopback  

          inet addr:127.0.0.1  Mask:255.0.0.0

          inet6 addr: ::1/128 Scope:Host

          UP LOOPBACK RUNNING  MTU:16436  Metric:1

          RX packets:16 errors:0 dropped:0 overruns:0 frame:0

          TX packets:16 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0 

          RX bytes:960 (960.0 b)  TX bytes:960 (960.0 b)

[root@node1-f15 tmp]# bash ip.sh

SIOCADDRT: File exists

[root@node1-f15 tmp]# route add default gw 172.25.0.254

SIOCADDRT: No such process

[root@node1-f15 tmp]# route -n

Kernel IP routing table

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface

172.25.15.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0

192.168.115.0   0.0.0.0         255.255.255.0   U     0      0        0 eth0

169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 eth0

0.0.0.0         172.25.15.254   0.0.0.0         UG    0      0        0 eth0

[root@node1-f15 tmp]# arp -an

? (192.168.115.44) at 52:54:00:00:0f:0e [ether] on eth0

? (172.25.15.254) at 52:54:00:00:00:fe [ether] PERM on eth0

[root@node1-f15 tmp]# cat ip.sh 

#!/bin/bash

VIP=172.25.15.100

VIPCAST=172.25.15.255

RIP=192.168.115.40

DGW=172.25.15.254

DGWMAC=”52:54:00:00:00:fe”

arptables -F

arptables -A IN -d $VIP -j DROP

arptables -A OUT -s $VIP -j mangle –mangle-ip-s $RIP

/sbin/ifconfig eth0:1 $VIP broadcast $VIPCAST netmask 255.255.255.0 up

arp -s $DGW $DGWMAC

/sbin/route add default gw $DGW

[root@node1-f15 tmp]# service status httpd

status: unrecognized service

[root@node1-f15 tmp]# service  httpd status

httpd is stopped

[root@node1-f15 tmp]# service  httpd start

Starting httpd:                                            [  OK  ]

[root@node1-f15 tmp]# echo node1-f15 > /var/www/html/index.html

[root@node1-f15 tmp]# service httpd restart

Stopping httpd:                                            [  OK  ]

Starting httpd:                                            [  OK  ]

[root@node1-f15 tmp]# route -n

Kernel IP routing table

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface

172.25.15.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0

192.168.115.0   0.0.0.0         255.255.255.0   U     0      0        0 eth0

169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 eth0

0.0.0.0         172.25.15.254   0.0.0.0         UG    0      0        0 eth0

[root@node1-f15 tmp]# route add default gw 172.25.15.254

SIOCADDRT: File exists

[root@node1-f15 tmp]# 

[kiosk@foundation15 Desktop]$  ssh root@172.25.15.14

root@172.25.15.14’s password: 

Last login: Fri Sep 30 12:34:26 2016 from 172.25.15.250

[root@lvs1-f15 ~]# ssh 192.168.115.41

^[[Assh: connect to host 192.168.115.41 port 22: No route to host

[root@lvs1-f15 ~]# ssh 192.168.115.41^C

[root@lvs1-f15 ~]# ssh root@192.168.115.41

ssh: connect to host 192.168.115.41 port 22: No route to host

[root@lvs1-f15 ~]# ssh root@192.168.115.41

ssh: connect to host 192.168.115.41 port 22: No route to host

[root@lvs1-f15 ~]# ssh 192.168.115.41

ssh: connect to host 192.168.115.41 port 22: No route to host

[root@lvs1-f15 ~]# ping 192.168.115.41

PING 192.168.115.41 (192.168.115.41) 56(84) bytes of data.

From 192.168.115.44 icmp_seq=2 Destination Host Unreachable

From 192.168.115.44 icmp_seq=3 Destination Host Unreachable

From 192.168.115.44 icmp_seq=4 Destination Host Unreachable

^C

— 192.168.115.41 ping statistics —

5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4829ms

pipe 3

[root@lvs1-f15 ~]# ping 192.168.115.41

PING 192.168.115.41 (192.168.115.41) 56(84) bytes of data.

64 bytes from 192.168.115.41: icmp_seq=1 ttl=64 time=0.658 ms

64 bytes from 192.168.115.41: icmp_seq=2 ttl=64 time=0.510 ms

64 bytes from 192.168.115.41: icmp_seq=3 ttl=64 time=0.544 ms

^C

— 192.168.115.41 ping statistics —

3 packets transmitted, 3 received, 0% packet loss, time 2366ms

rtt min/avg/max/mdev = 0.510/0.570/0.658/0.069 ms

[root@lvs1-f15 ~]# ssh 192.168.115.41

The authenticity of host ‘192.168.115.41 (192.168.115.41)’ can’t be established.

RSA key fingerprint is cf:7c:26:aa:4f:41:7b:21:5e:09:ce:8a:15:2c:97:32.

Are you sure you want to continue connecting (yes/no)? yes

Warning: Permanently added ‘192.168.115.41’ (RSA) to the list of known hosts.

root@192.168.115.41’s password: 

Last login: Fri Sep 30 12:21:56 2016 from 172.25.15.250

[root@node2-f15 ~]# cd /tmp

[root@node2-f15 tmp]# vim ip.sh

[root@node2-f15 tmp]# bash ip.sh 

[root@node2-f15 tmp]# route -n

Kernel IP routing table

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface

172.25.15.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0

192.168.115.0   0.0.0.0         255.255.255.0   U     0      0        0 eth0

169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 eth0

0.0.0.0         172.25.15.254   0.0.0.0         UG    0      0        0 eth0

[root@node2-f15 tmp]# service  httpd start

Starting httpd:                                            [  OK  ]

[root@node2-f15 tmp]# echo node2-f15 > /var/www/html/index.html

[root@node2-f15 tmp]# service httpd restart

Stopping httpd:                                            [  OK  ]

Starting httpd:                                            [  OK  ]

[root@node2-f15 tmp]# route -n

Kernel IP routing table

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface

172.25.15.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0

192.168.115.0   0.0.0.0         255.255.255.0   U     0      0        0 eth0

169.254.0.0     0.0.0.0         255.255.0.0     U     1002   0        0 eth0

0.0.0.0         172.25.15.254   0.0.0.0         UG    0      0        0 eth0

[root@node2-f15 tmp]# route add default gw 172.25.15.254

SIOCADDRT: File exists

[root@node2-f15 tmp]#