HACMP安装手册

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说明:在实际安装过程中,本文中的主机名和IP地址需要根据实际情况进行调整;

1. 安装前准备

1.1.      硬件设备

1.1.1.         主机

主机两台,每台主机至少需要两块网卡,一个空闲的串口。

如果主机中配了千兆以太网卡,建议使用该千兆网卡,不要使用内置网卡。(因为内置网卡是集成在主板上的,如果一旦出现故障,不容易更换,这样HACMP中的配置就需要修改,增加了工作量)

1.1.2.         心跳线

心跳线一根。

如果心跳线的口和主机的串口不能对上,需要两根转接线,具体的长度由两台主机的相对位置决定。

1.2.      操作系统环境

主机

内容

文件集

备注

主机1

OS5200-02

Kerl64

文件系统:JFS2

bos.adt.*

bos.net.*

bos.rte.*

rsct.basic.*

rsct.compat.*

rsct.core.*

oslevel r

prtconf

lslpp -l

主机1

与主机1一致

 

1.3.      软件介质

HACMP 4.5CRM

1.4.      磁盘划分

建立需要切换的VG等。

如果是对ORACLE9i RAC数据库做双机系统,对存放数据库数据的VGoradatavg)建立时不需要建立属性为concurrent的卷组。(在配置HACMP时设定为concurrent属性即可)

1.5.      操作系统参数配置

1.5.1.         /sbin/rc.boot

修改/sbin/rc.boot文件中:

##Modified By Sinosoft For Hacmp Software Start

#nohup /usr/sbin/syncd 60 > /dev/null 2>&1 &

nohup /usr/sbin/syncd 10 > /dev/null 2>&1 &

##Modified By Sinosoft For Hacmp Software End

 

1.5.2.         water mark

smit  system -->

Change / Show Characteristics of Operating System

HIGH water mark for pending write I/Os per file   [32]    +

LOW water mark for pending write I/Os per file    [24]    +

 

或者直接用命令:

chdev -l sys0 -a maxpout='32' -a minpout='24'

 

1.6.      网络地址配置

1.6.1.         主机名及IP地址

主机

内容

备注

主机1

boot1

10.48.178.201

 

serv1

10.48.178.202

 

stby1

10.48.179.3

 

主机2

boot2

10.48.178.203

 

serv2

10.48.178.204

 

stby2

10.48.179.4

 

具体的hosts文件参考附录中的“主机hosts文件”。

1.6.2.         主机信任关系

在两台主机的/目录下,建立.rhosts文件,

注意改变文件权限:chmod 600 /.rhosts

文件内容如下:

CZXCDB1

boot1

serv1

stby1

CZXCDB2

boot2

serv2

stby2

1.6.3.         测试信任关系

在两台主机上做以下操作,看结果是否正常:

ping CZXCDB1

ping CZXCDB2

ping boot1

ping boot2

ping stdby1

ping stdby2

rlogin CZXCDB1

rlogin CZXCDB2

 

1.7.      心跳线配置及测试

在选择哪个串口作为心跳线的端口时,原则是这样:

在串口富裕的情况下,尽量不要选择第1个和第2个。(因为第一个串口一般做console,第二个常用作远程维护程序使用)

如果不这样,虽然同步和简单的测试没有问题,但在实际应用中回出现HACMP经常自动切换,所以应该必须不使用第1和第2个串口(P630用最后一个,P650可以用最后两个)

1.7.1.         心跳线配置

1.7.1.1.      主机1

1.7.1.1.1.  第一步

登录root用户

smitty tty

1.7.1.1.2.  第二步

选择”Add a TTY

                                      TTY

Move cursor to desired item and press Enter.

  List All Defined TTYs

  Add a TTY

  Move a TTY to Another Port

  Change / Show Characteristics of a TTY

  Remove a TTY

  Configure a Defined TTY

  Generate Error Report

  Trace a TTY

 

1.7.1.1.3.  第三步

                                   Add a TTY

Type or select values in entry fields.

Press Enter AFTER making all desired changes.

 

[TOP]                                                   [Entry Fields]

  TTY type                                            tty

  TTY interface                                       rs232

  Description                                         Asynchronous Terminal

  Parent adapter                                      sa2

* PORT number                                        [0]     +

  Enable LOGIN                                        disable +

  BAUD rate                                          [9600] 

  PARITY                                           [none]   +

  BITS per character                                 [8]       +

  Number of STOP BITS                                [1]    +

  TIME before advancing to next port setting         [0]           +

  TERMINAL type                                      [dumb]

  FLOW CONTROL to be used                         [xon]

 

1.7.1.2.      主机2

步骤与主机1雷同。

1.7.2.         心跳线测试

在两台主机上,通过lsdev Cc tty查看新增的串行口,会有类似下面的内容:

tty0 Available 00-00-S3-00 Asynchronous Terminal

 

序号

主机

内容

1.     

主机1

stty </dev/tty0

2.     

主机2

stty </dev/tty0

这时在两台主机的命令行下会有内容的显示,否则,tty配置失败。示例如下:

speed 9600 baud; -parity hupcl

eol2 = ^?

brkint -inpck -istrip icrnl -ixany ixoff onlcr tab3

echo echoe echok

3.     

主机1

cat /etc/hosts > /dev/tty0

4.     

主机2

cat < /dev/tty0

这时在主机2的命令行下有主机1/etc/hosts文件的内容,否则,tty配置失败。

 

2. 安装软件

2.1.      主机1

HACMP V4.5 CRM 软件CD放入CD-ROM,在主控台上执行以下操作:

smitty installp

->Install Software

->INPUT device / directory for software              [/dev/cd0]

SOFTWARE to install                         [不选择cluster.haview,

cluster.hativoli,

cluster.man.en_US.haview]

  ACCEPT new license agreements?                 yes

安装软件

2.2.      主机2

主机2上安装步骤和主机1一致。

3. 配置HACMP

3.1.      配置Topology

3.1.1.         hacmp cluster

        #smit hacmp

            Cluster Configuration

                Cluster Topology

                    Configure Cluster

                        Add a Cluster Definition

            *Cluster ID         [1 ]

            *Cluster Name       [cluster ]

 

3.1.2.         hacmp node

#smitty hacmp

           Cluster Configuration

              Cluster Topology

                  Configure Node

                     Add Cluster Nodes

           Node Names        [ ]

  加入两个NodeCZXCDB1  CZXCDB2

 

3.1.3.         hacmp network

#smit hacmp

            Cluster Configuration

                Cluster Topology

                 Configure Networks

                       Configure IP-based Networks

                       Configure Non IP-based Networks

       分别增加cz_ethercz_serial

        cz_ethersubnets10.48.178.0  10.48.179.0

 

3.1.4.         hacmp adapter

适配器有两种类型(网卡、串口),每台节点4个,8个。

3.1.4.1.      主机1

3.1.4.1.1.  service适配器

IP  Label                               serv1

New IP Label                            []

* Network Type                            [ether]

* Network Name                           [cz_ether]

* Network Attribute                         [public]

* Interface / IP-Label Function                [service]

IP Address                              [10.48.178.202]

Hardware Address                        []

Node Name                             [CZXCDB1]

Netmask                                [255.255.255.0]

Interface Name                             

 

3.1.4.1.2.  boot适配器

IP  Label                               boot1

New IP Label                            []

* Network Type                            [ether]

* Network Name                           [cz_ether]

* Network Attribute                         [public]

* Interface / IP-Label Function                [boot]

IP Address                              [10.48.178.201]

Hardware Address                        []

Node Name                             [CZXCDB1]

Netmask                                [255.255.255.0]

Interface Name                           en1

 

3.1.4.1.3.  standby适配器

IP  Label                               stby1

New IP Label                            []

* Network Type                            [ether]

* Network Name                           [cz_ether]

* Network Attribute                         [public]

* Interface / IP-Label Function                [standby]

IP Address                              [10.48.179.3]

Hardware Address                        []

Node Name                             [CZXZDB1]

Netmask                                [255.255.255.0]

Interface Name                           en2

 

3.1.4.1.4.  rs232适配器

Adapter Label                            tty1

New Adapter Label                        []

Network Type                            [rs232]

* Network Name                            [cz_serial]

* Device Name                              [/dev/tty0]

* Node Name                               [CZXCDB1]

 

3.1.4.2.      主机2

3.1.4.2.1.  service适配器

IP  Label                               serv2

New IP Label                            []

* Network Type                            [ether]

* Network Name                           [cz_ether]

* Network Attribute                         [public]

* Interface / IP-Label Function                [service]

IP Address                              [10.48.178.204]

Hardware Address                        []

Node Name                             [CZXCDB2]

Netmask                                [255.255.255.0]

Interface Name                             

 

3.1.4.2.2.  boot适配器

IP  Label                               boot2

New IP Label                            []

* Network Type                            [ether]

* Network Name                           [cz_ether]

* Network Attribute                         [public]

* Interface / IP-Label Function                [boot]

IP Address                              [10.48.178.204]

Hardware Address                        []

Node Name                             [CZXCDB2]

Netmask                                [255.255.255.0]

Interface Name                           en1

 

3.1.4.2.3.  standby适配器

IP  Label                               stby2

New IP Label                            []

* Network Type                            [ether]

* Network Name                           [cz_ether]

* Network Attribute                         [public]

* Interface / IP-Label Function                [standby]

IP Address                              [10.48.179.4]

Hardware Address                        []

Node Name                             [CZXZDB2]

Netmask                                [255.255.255.0]

Interface Name                           en2

 

3.1.4.2.4.  rs232适配器

Adapter Label                            tty2

New Adapter Label                        []

Network Type                            [rs232]

* Network Name                            [cz_serial]

* Device Name                              [/dev/tty0]

* Node Name                               [CZXCDB2]

 

3.2.      配置Resource Group

3.2.1.         hacmp resource group

增加三个资源组:

3.2.1.1.      1orares

*Resource Group Name    [orares]

*Node Relationship      concurant

*Site Relationship      ignore

*Participating Node Names   [CZXCDB1  CZXCDB2 ]

*Service IP lable          []

*Volume Groups          [oradatavg]

3.2.1.2.      2serv1net

*Resource Group Name    [serv1net]

*Node Relationship      cascading

*Site Relationship      ignore

*Participating Node Names   [CZXCDB1  CZXCDB2 ]

*Service IP lable          []

3.2.1.3.      3serv2net

*Resource Group Name    [serv2net]

*Node Relationship      cascading

*Site Relationship      ignore

*Participating Node Names   [CZXCDB2  CZXCDB1]

*Service IP lable          []

 

3.2.2.         hacmp app server

增加一个app server

*Server Name            [app1]

*start script           [/usr/es/script/start.sh]

*stop script            [/usr/es/script/stop.sh]

在两台主机创建目录:

mkdir p /usr/es/script

touch /usr/es/script/start.sh

touch /usr/es/script/stop.sh

touch /usr/es/script/oracle_start

touch /usr/es/script/oracle_stop

chown R 777 /usr/es/script/*.sh

脚本的内容可以参考如下:

3.2.2.1.1.  start.sh

查看附录中的Application的启动和关闭脚本/start.sh脚本。

3.2.2.1.2.  stop.sh

查看附录中的Application的启动和关闭脚本/stop.sh脚本。

3.2.2.1.3.  oracle_start

查看附录中的Application的启动和关闭脚本/oracle_start.sh脚本。

3.2.2.1.4.  oracle_stop

查看附录中的Application的启动和关闭脚本/oracle_stop脚本。

3.2.3.         hacmp resource group attribute

3.2.3.1.      orares

Resource Group Name                              orares

Node Relationship                                 concurant

Site Relationship                                   ignore

Participating Node Names / Default Node Priority    CZXCDB1 CZXCDB2

Dynamic Node Priority                          []

Service IP label                                []

Filesystems (default is All)                       []

Filesystems Consistency Check                    fsck

Filesystems Recovery Method                     sequential

Filesystems/Directories to Export                  []

Filesystems/Directories to NFS mount              []

Network For NFS Mount                        []

Volume Groups                                []

Concurrent Volume groups                       [oradatavg]

Raw Disk PVIDs                               []

Connections Services                            []

Fast Connect Services                            []

Tape Resources                                 []

Application Servers                              [app1]

Communication Links                            []

Primary Workload Manager Class                   []

Secondary Workload Manager Class                 []

Miscellaneous Data                               []

Automatically Import Volume Groups                false

 

3.2.3.2.      serv1net

Resource Group Name                              serv1net

Node Relationship                                 cascading

Site Relationship                                   ignore

Participating Node Names / Default Node Priority    CZXCDB1 CZXCDB2

Dynamic Node Priority                          []

Service IP label                                [serv1]

Filesystems (default is All)                       []

Filesystems Consistency Check                    fsck

Filesystems Recovery Method                     sequential

Filesystems/Directories to Export                  []

Filesystems/Directories to NFS mount              []

Network For NFS Mount                        []

Volume Groups                                []

Concurrent Volume groups                       []

Raw Disk PVIDs                               []

Connections Services                            []

Fast Connect Services                            []

Tape Resources                                 []

Application Servers                              []

Communication Links                            []

Primary Workload Manager Class                   []

Secondary Workload Manager Class                 []

Miscellaneous Data                               []

Automatically Import Volume Groups                false

 

3.2.3.3.      serv2net

Resource Group Name                              serv2net

Node Relationship                                 cascading

Site Relationship                                   ignore

Participating Node Names / Default Node Priority    CZXCDB2 CZXCDB1

Dynamic Node Priority                          []

Service IP label                                [serv2]

Filesystems (default is All)                       []

Filesystems Consistency Check                    fsck

Filesystems Recovery Method                     sequential

Filesystems/Directories to Export                  []

Filesystems/Directories to NFS mount              []

Network For NFS Mount                        []

Volume Groups                                []

Concurrent Volume groups                       []

Raw Disk PVIDs                               []

Connections Services                            []

Fast Connect Services                            []

Tape Resources                                 []

Application Servers                              []

Communication Links                            []

Primary Workload Manager Class                   []

Secondary Workload Manager Class                 []

Miscellaneous Data                               []

Automatically Import Volume Groups                false

 

4. 同步HACMP

4.1.      同步Topology

#smit hacmp

Cluster Configuration

Cluster Topology

Synchronize Cluster Topology

 

4.2.      同步Resource Group

#smit hacmp

Cluster Configuration

Cluster Resources

Synchronize Cluster Resource

 

5. 测试HACMP

重新启动两台主机。

5.1.      验证HACMP的配置

#smit hacmp

Cluster Vertification

 

5.2.      测试

ORACLE9i RAC之前需要测试,在ORACLE9i RAC安装完后还需要测试,现列出在ORACLE9i RAC安装完后的测试内容:

序号

主机1

主机2

备注

1.      

smitty clstart

smitty clstart

VG是否正常挂上,数据库实例和监听进程能否正常启动。

2.      

smitty clstop

takeover

(主机2正常运行)

看主机2数据库是否正常,主机1service ip能否漂移到主机2standby网卡上。

3.      

(主机1正常运行)

smitty clstop

takeover

看主机1数据库是否正常,主机2service ip能否漂移到主机1standby网卡上。

4.      

拔掉boot网卡的网线

(主机2正常运行)

看主机1service ip能否切换到本机的standby网卡上,standby ip切换到bootip网卡上。

5.      

接通原boot ip网卡的网线

(主机2正常运行)

看主机1service ip不会切回到本机的boot网卡上,standby ip仍然在原boot ip的网卡上。

如果接着用graceful关掉hacmp,他们的IP也不会回到原来的位置。

6.      

(主机1正常运行

拔掉boot网卡的网线

看主机2service ip能否切换到本机的standby网卡上,standby ip切换到bootip网卡上。

7.      

(主机1正常运行

接通原boot ip网卡的网线

看主机2service ip不会切回到本机的boot网卡上,standby ip仍然在原boot ip的网卡上。

如果接着用graceful关掉hacmp,他们的IP也不会回到原来的位置。

具体的IP切换的情况,参考《hacmp_status.ppt》。

6. 维护和管理

 

7. 问题集锦

7.1.      .rhosts文件的属性

chmod 600 .rhosts

7.2.      Application脚本的属性

chmod 777 脚本

7.3.  配置Resource Group的属性

注意看3.2.3中对资源组的配置信息。

8. 附录

8.1.      主机hosts文件

8.1.1.         主机1

127.0.0.1       loopback localhost CZXCDB1 # loopback (lo0) name/address

 

######################################

#Hosts For CZXCDB1

10.48.178.201   boot1

10.48.178.202   serv1

10.48.179.3 stby1  CZXCDB1

######################################

 

######################################

#Hosts For CZXCDB2

10.48.178.203   boot2

10.48.178.204   serv2

10.48.179.4 stby2  CZXCDB2

######################################

 

8.1.2.         主机2

127.0.0.1       loopback localhost CZXCDB2# loopback (lo0) name/address

 

######################################

#Hosts For CZXCDB1

10.48.178.201   boot1

10.48.178.202   serv1

10.48.179.3 stby1  CZXCDB1

######################################

 

######################################

#Hosts For CZXCDB2

10.48.178.203   boot2

10.48.178.204   serv2

10.48.179.4 stby2  CZXCDB2

######################################

8.2.      Application的启动和关闭脚本

8.3.      start.sh

##############################################################

## start oracle server

echo "`hostname`:The ORACLE Server is starting,Please Waiting."

sleep 5

su - oracle -c ". /usr/es/script/oracle_start"  >>/usr/es/script/oracle_start.log

sleep 5

echo "`hostname`:The ORACLE Server is started."

##############################################################

 

8.4.      stop.sh

##############################################################

## stop oracle server

echo "`hostname`:The ORACLE Server is stopping,Please Waiting."

su - oracle -c ". /usr/es/script/oracle_stop"  >>/usr/es/script/oracle_stop.log

sleep 5

echo "`hostname`:The ORACLE Server is stoped."

##############################################################

 

8.5.      oracle_start

echo "Start Oracle DataBase Begin"

sqlplus /nolog  <<EOF

connect sys/change_on_install as sysdba;

startup;

show sga;

exit;

EOF

sleep 5

lsnrctl start

echo "Start Oracle DataBase End"

 

8.6.      oracle_stop

echo "Stop Oracle DataBase Begin"

lsnrctl stop

sleep 5

sqlplus /nolog <<EOF

connect sys/change_on_install as sysdba

show sga;

shutdown immediate;

exit;

EOF

echo "Stop Oracle DataBase End"

 

 

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