红帽企业集群和存储管理之rhcs高性能HA群集构建的简单应用

cheng029

红帽企业集群和存储管理之

rhcs高性能HA群集构建的简单应用

案例应用拓扑图：

案例应用实现详细步骤如下：
[iyunv@target ~]# hostname
target.junjie.com
[iyunv@target ~]# cat /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=target.junjie.com
在/etc/hosts中添加以下几行：
[iyunv@target ~]# cat /etc/hosts
192.168.101.210        target.junjie.com      target
192.168.101.211        node1.junjie.com      node1
192.168.101.212        node2.junjie.com      node2
[iyunv@target ~]#setup

[iyunv@target ~]# service network restart
Shutting down interface eth0:                              [  OK  ]
Shutting down loopback interface:                          [  OK  ]
Bringing up loopback interface:                            [  OK  ]
Bringing up interface eth0:                                [  OK  ]
[iyunv@target ~]# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr 00:0C:29:1B:F1:BA
inet addr:192.168.101.210  Bcast:192.168.101.255  Mask:255.255.255.0
[iyunv@target ~]# cat /etc/yum.repos.d/server.repo
[rhel-server]
name=Red Hat Enterprise Linux server
baseurl=file:///mnt/cdrom/Server/
enabled=1
gpgcheck=1
gpgkey=file:///mnt/cdrom/RPM-GPG-KEY-redhat-release
[rhel-vt]
name=Red Hat Enterprise Linux vt
baseurl=file:///mnt/cdrom/VT/
enabled=1
gpgcheck=1
gpgkey=file:///mnt/cdrom/RPM-GPG-KEY-redhat-release
[rhel-cluster]
name=Red Hat Enterprise Linux cluster
baseurl=file:///mnt/cdrom/Cluster/
enabled=1
gpgcheck=1
gpgkey=file:///mnt/cdrom/RPM-GPG-KEY-redhat-release
[rhel-clusterstorage]
name=Red Hat Enterprise Linux clusterstorage
baseurl=file:///mnt/cdrom/ClusterStorage/
enabled=1
gpgcheck=1
gpgkey=file:///mnt/cdrom/RPM-GPG-KEY-redhat-release
[iyunv@target ~]# yum list all
[iyunv@node1 ~]# hostname
node1.junjie.com
[iyunv@node1 ~]# cat /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=node1.junjie.com
[iyunv@node1 ~]#setup

[iyunv@node1 ~]# service network restart
Shutting down interface eth0:                              [  OK  ]
Shutting down loopback interface:                          [  OK  ]
Bringing up loopback interface:                            [  OK  ]
Bringing up interface eth0:                                [  OK  ]
[iyunv@node1 ~]# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr 00:0C:29:66:E1:DA
inet addr:192.168.101.211  Bcast:192.168.101.255  Mask:255.255.255.0
[iyunv@node2 ~]# hostname
node2.junjie.com
[iyunv@node2 ~]# cat /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=node2.junjie.com
[iyunv@node2 ~]# setup

[iyunv@node2 ~]# service network restart
Shutting down interface eth0:                              [  OK  ]
Shutting down loopback interface:                          [  OK  ]
Bringing up loopback interface:                            [  OK  ]
Bringing up interface eth0:                                [  OK  ]
[iyunv@node2 ~]# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr 00:0C:29:79:F8:F7
inet addr:192.168.101.212  Bcast:192.168.101.255  Mask:255.255.255.0

[iyunv@target ~]# scp /etc/hosts node1.junjie.com:/etc/
[iyunv@target ~]# scp /etc/hosts node2.junjie.com:/etc/
[iyunv@target ~]# scp /etc/yum.repos.d/server.repo node2.junjie.com:/etc/yum.repos.d/
[iyunv@target ~]# scp /etc/yum.repos.d/server.repo node2.junjie.com:/etc/yum.repos.d/

[iyunv@target ~]# hwclock -s
[iyunv@target ~]# date
Thu Apr  5 12:49:35 CST 2012
[iyunv@target ~]#

[iyunv@node1 ~]# hwclock -s
[iyunv@node1 ~]# date
Thu Apr  5 12:49:43 CST 2012
[iyunv@node1 ~]# mkdir /mnt/cdrom/
[iyunv@node1 ~]# mount /dev/cdrom /mnt/cdrom/
[iyunv@node1 ~]#yum list all

[iyunv@node2 ~]# hwclock -s
[iyunv@node2 ~]# date
Thu Apr  5 12:49:54 CST 2012
[iyunv@node2 ~]# mkdir /mnt/cdrom/
[iyunv@node2 ~]# mount /dev/cdrom /mnt/cdrom/
[iyunv@node2 ~]#yum list all

[iyunv@target ~]# yum install scsi-target-utils -y
[iyunv@target ~]# chkconfig tgtd on
[iyunv@target ~]# service tgtd start
Starting SCSI target daemon:                               [  OK  ]
[iyunv@target ~]# fdisk /dev/sda
p/n/p//+1000M/p/w
[iyunv@target ~]# partprobe /dev/sda

[iyunv@target ~]# tgtadm --lld iscsi --op new --mode target --tid 1 --targetname iqn.2012-05-22.com.junjie.target
[iyunv@target ~]# tgtadm --lld iscsi --op new --mode logicalunit --tid 1 --lun 1 --backing-store /dev/sda4
[iyunv@target ~]# tgtadm --lld iscsi --op bind --mode target --tid 1 --initiator-address 192.168.101.0/24
[iyunv@target ~]# tgtadm --lld iscsi --op show --mode target
Target 1: iqn.2012-05-22.com.junjie.target
System information:
Driver: iscsi
State: ready
I_T nexus information:
LUN information:
LUN: 0
Type: controller
SCSI ID: deadbeaf1:0
SCSI SN: beaf10
Size: 0 MB
Online: Yes
Removable media: No
Backing store: No backing store
LUN: 1
Type: disk
SCSI ID: deadbeaf1:1
SCSI SN: beaf11
Size: 1012 MB
Online: Yes
Removable media: No
Backing store: /dev/sda4
Account information:
ACL information:
192.168.101.0/24
[iyunv@target ~]# vim /etc/tgt/targets.conf
6 <target iqn.2012-05-22.com.junjie.target>
8         backing-store /dev/sda4
16         initiator-address 192.168.101.0/24
17 </target>

[iyunv@node1 ~]# yum list all |grep iscsi-initiator
[iyunv@node1 ~]# yum install -y iscsi-initiator-utils
[iyunv@node1 ~]# vim /etc/iscsi/initiatorname.iscsi
InitiatorName=iqn.2012-05-22.com.junjie.node1
[iyunv@node1 ~]# chkconfig iscsi on
[iyunv@node1 ~]# service iscsi start
iscsid is stopped
Turning off network shutdown. Starting iSCSI daemon:       [  OK  ]
[  OK  ]
Setting up iSCSI targets: iscsiadm: No records found!
[  OK  ]
[iyunv@node1 ~]#
[iyunv@node1 ~]# iscsiadm --mode discovery --type sendtargets --portal 192.168.101.210
192.168.101.210:3260,1 iqn.2012-05-22.com.junjie.target
[iyunv@node1 ~]# iscsiadm --mode node --targetname iqn.2012-05-22.com.junjie.target --portal 192.168.101.210:3260 --login
Logging in to [iface: default, target: iqn.2012-05-22.com.junjie.target, portal: 192.168.101.210,3260]
Login to [iface: default, target: iqn.2012-05-22.com.junjie.target, portal: 192.168.101.210,3260]: successful
[iyunv@node1 ~]# fdisk -l
…………..
Disk /dev/sdb: 1011 MB, 1011709440 bytes
32 heads, 61 sectors/track, 1012 cylinders
Units = cylinders of 1952 * 512 = 999424 bytes

Disk /dev/sdb doesn't contain a valid partition table
[iyunv@node1 ~]#fdisk /dev/sdb
p/n/p/1///w
[iyunv@node1 ~]# partprobe /dev/sdb
[iyunv@node1 ~]# cat /proc/partitions
8     0   12582912 sda
8     1     104391 sda1
8     2    8193150 sda2
8     3    1534207 sda3
8    16     987997 sdb
8    17     987681 sdb1
[iyunv@node1 ~]# mkfs -t ext3 /dev/sdb1
[iyunv@node1 ~]# mkdir /mnt/1
[iyunv@node1 ~]# mount /dev/sdb1 /mnt/1
[iyunv@node1 ~]# cd /mnt/1/
[iyunv@node1 1]# echo "web-server--xjzhujunjie--2012/05/06" >index.html
[iyunv@node1 1]# ll
[iyunv@node1 1]# cd
[iyunv@node1 ~]# umount /mnt/1/
[iyunv@node1 ~]# mount

在node2上进行配置：
[iyunv@node2 ~]# yum list all |grep iscsi-initiator
[iyunv@node2 ~]# yum install -y iscsi-initiator-utils
[iyunv@node2 ~]# vim /etc/iscsi/initiatorname.iscsi
InitiatorName=iqn.2012-05-22.com.junjie.node2
[iyunv@node2 ~]# chkconfig iscsi on
[iyunv@node2 ~]# service iscsi start
iscsid is stopped
Turning off network shutdown. Starting iSCSI daemon:       [  OK  ]
[  OK  ]
Setting up iSCSI targets: iscsiadm: No records found!
[  OK  ]
[iyunv@node2 ~]# iscsiadm --mode discovery --type sendtargets --portal 192.168.101.210
192.168.101.210:3260,1 iqn.2012-05-22.com.junjie.target
[iyunv@node2 ~]# iscsiadm --mode node --targetname iqn.2012-05-22.com.junjie.target --portal 192.168.101.210:3260 --login
Logging in to [iface: default, target: iqn.2012-05-22.com.junjie.target, portal: 192.168.101.210,3260]
Login to [iface: default, target: iqn.2012-05-22.com.junjie.target, portal: 192.168.101.210,3260]: successful
[iyunv@node2 ~]# fdisk -l
Disk /dev/sdb: 1011 MB, 1011709440 bytes
32 heads, 61 sectors/track, 1012 cylinders
Units = cylinders of 1952 * 512 = 999424 bytes

Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1        1012      987681+  83  Linux
[iyunv@node2 ~]#

[iyunv@target ~]# tgtadm --lld iscsi --op show --mode target
Target 1: iqn.2012-05-22.com.junjie.target
System information:
Driver: iscsi
State: ready
I_T nexus information:
I_T nexus: 1
Initiator: iqn.2012-05-22.com.junjie.node1
Connection: 0
IP Address: 192.168.101.211
I_T nexus: 2
Initiator: iqn.2012-05-22.com.junjie.node2
Connection: 0
IP Address: 192.168.101.212
ricci&luci

[iyunv@node1 ~]# yum install -y ricci httpd
[iyunv@node1 ~]# chkconfig ricci on
[iyunv@node1 ~]# service ricci start
Starting oddjobd:                                          [  OK  ]
generating SSL certificates...  done
Starting ricci:                                            [  OK  ]
[iyunv@node1 ~]#

[iyunv@node2 ~]# yum install -y ricci httpd
[iyunv@node2 ~]# chkconfig ricci on
[iyunv@node2 ~]# service ricci start
Starting oddjobd:                                          [  OK  ]
generating SSL certificates...  done
Starting ricci:                                            [  OK  ]
[iyunv@node2 ~]#

[iyunv@target ~]# yum install -y luci
[iyunv@target ~]# luci_admin init
Initializing the luci server

Creating the 'admin' user

Enter password:
Confirm password:
………..
You must restart the luci server for changes to take effect.

Run "service luci restart" to do so

[iyunv@target ~]#
[iyunv@target ~]# chkconfig luci on
[iyunv@target ~]# chkconfig --list luci
luci                  0:off      1:off      2:on       3:on       4:on       5:on       6:off
[iyunv@target ~]# service luci start
Starting luci: Generating https SSL certificates...  done
[  OK  ]

Point your web browser to https://target.junjie.com:8084 to access luci

[iyunv@target ~]#
client测试管理：

红帽企业集群和存储管理之rhcs高性能HA群集构建实现过程：（具体说明略，图片说明略）

[iyunv@node2 ~]# cd /etc/cluster/

[iyunv@node2 cluster]# ll
total 8
-rw-r----- 1 root root  374 Apr  5 14:20 cluster.conf
-rw------- 1 root root 4096 Apr  5 14:48 fence_xvm.key



















































开始使用虚拟IP访问测试


查看群集信息


故障模拟








继续轮询到node1节点上

首次轮询至node2.junjie.com成功！！



再次轮询至node1.junjie.com失败！！
本人不知后面如何处理，希望高手指点！！

2168575

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falldog

男人有冲动可能是爱你，也可能是不爱，但没有冲动肯定是不爱!

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穿别人的鞋，走自己的路，让他们找去吧。

mm111222

恐龙说：“遇到色狼，不慌不忙；遇到禽兽，慢慢享受……”

座机

微机原理闹危机，随机过程随机过，实变函数学十遍，汇编语言不会编！