In this article,you will learn how to configure IBM PowerHA on aix.My surroundings list by following worksheets:
The en0 just for boot ip and the en1 just for standby ip.
一.Requirements
1.Append follwoing lines to /etc/hosts on all of nodes.
#For Boot IP
172.16.255.11 dbserv1
172.16.255.13 dbserv2
#For Standby IP
192.168.0.11 dbserv1-stby
192.168.0.13 dbserv2-stby
#For Service IP
172.16.255.15 dbserv1-serv
172.16.255.17 dbserv2-serv
#For Persistent IP
192.168.2.11 dbserv1-pers
192.168.2.13 dbserv2-pers
2.Ensure that the following aix filesets are installed:
[root@dbserv1 /]#lslpp -l bos.data bos.adt.lib bos.adt.libm bos.adt.syscalls bos.net.tcp.client bos.net.tcp.server bos.rte.SRC bos.rte.libc bos.rte.libcfg bos.rte.libpthreads bos.rte.odm bos.rte.lvm bos.clvm.enh bos.adt.base bos.perf.perfstat bos.perf.libperfstat bos.perf.proctools rsct.basic.rte rsct.compat.clients.rte xlC.aix61.rte
3.Install PowerHA on all of nodes:
[root@dbserv1 /]#loopmount -i powerHA_v6.1.iso -o "-V cdrfs -o ro" -m /mnt
[root@dbserv1 /]#installp -a -d /mnt all
After installation,keep the PowerHA up to date and reboot all of nodes.
4.Append boot ip and standby ip to /usr/es/sbin/cluster/etc/rhosts
[root@dbserv1 etc]#cat rhosts
172.16.255.11
172.16.255.13
192.168.0.11
192.168.0.13
[root@dbserv2 etc]#cat rhosts
172.16.255.11
172.16.255.13
192.168.0.11
192.168.0.13
5.Edit /usr/es/sbin/cluster/netmon.cf file.Append each boot ip and standby ip to it on each node.
[root@dbserv1 cluster]#cat netmon.cf
172.16.255.11
192.168.0.11
[root@dbserv2 cluster]#cat netmon.cf
172.16.255.13
192.168.0.13
6.Create a disk heartbeat:
//Create heartvg on dbserv1
[root@dbserv1 /]#mkvg -x -y heartvg -C hdisk5
[root@dbserv1 /]#lspv|grep hdisk5
hdisk5 000c1acf7ca3bc3b heartvg
//import heartvg on dbserv2
[root@dbserv2 /]#importvg –y heartvg hdisk5
[root@dbserv2 /]#lspv|grep hdisk5
hdisk5 000c1acf7ca3bc3b heartvg
Test the disk heartbeat:
//Running following command on dbserv1
[root@dbserv1 /]#/usr/sbin/rsct/bin/dhb_read -p hdisk5 -r
DHB CLASSIC MODE
First node byte offset: 61440
Second node byte offset: 62976
Handshaking byte offset: 65024
Test byte offset: 64512
Receive Mode:
Waiting for response . . .
Magic number = 0x87654321
Magic number = 0x87654321
Magic number = 0x87654321
Link operating normally
//Running following command on dbserv2
[root@dbserv2 /]#/usr/sbin/rsct/bin/dhb_read -p hdisk5 -t
DHB CLASSIC MODE
First node byte offset: 61440
Second node byte offset: 62976
Handshaking byte offset: 65024
Test byte offset: 64512
Transmit Mode:
Magic number = 0x87654321
Detected remote utility in receive mode. Waiting for response . . .
Magic number = 0x87654321
Magic number = 0x87654321
Link operating normally
7.Create a Share Volume Group:
//On dbserv1
[root@dbserv1 /]#mkvg -V 48 -y oradata hdisk6 hdisk7
0516-1254 mkvg: Changing the PVID in the ODM.
0516-1254 mkvg: Changing the PVID in the ODM.
oradata
[root@dbserv1 /]#mklv -y lv02 -t jfs2 oradata 20G
lv02
[root@dbserv1 /]#crfs -v jfs2 -d /dev/lv02 –m /oradata
File system created successfully.
20970676 kilobytes total disk space.
New File System size is 41943040
[root@dbserv1 /]#chvg -an oradata
[root@dbserv1 /]#varyoffvg oradata
[root@dbserv1 /]#exportvg oradata
//On dbserv2 import oradata volume group
[root@dbserv2 /]#importvg -V 48 -y oradata hdisk6
oradata
[root@dbserv2 /]#lspv
hdisk0 000c18cf00094faa rootvg active
hdisk1 000c18cf003ca02c None
hdisk2 000c1acf3e6440c6 None
hdisk3 000c1acf3e645312 None
hdisk4 000c1acf3e6460d9 None
hdisk5 000c1acf7ca3bc3b heartvg
hdisk6 000c1acf7cb764d9 oradata active
hdisk7 000c1acf7cb765aa oradata active
8.For oracle do following steps.
(1).Check following softwares:
[root@dbserv2 /]#lslpp -l bos.adt.base bos.adt.lib bos.adt.libm bos.perf.perfstat bos.perf.libperfstat bos.perf.proctools xlC.aix61.rte
(2).Change following parameters:
[root@dbserv1 /]#no -p -o tcp_ephemeral_low=9000
[root@dbserv1 /]#no -p -o tcp_ephemeral_high=65500
[root@dbserv1 /]#no -p -o udp_ephemeral_low=9000
[root@dbserv1 /]#no -p -o udp_ephemeral_high=65500
[root@dbserv2 /]#no -p -o tcp_ephemeral_low=9000
[root@dbserv2 /]#no -p -o tcp_ephemeral_high=65500
[root@dbserv2 /]#no -p -o udp_ephemeral_low=9000
[root@dbserv2 /]#no -p -o udp_ephemeral_high=65500
(3).Create oracle user and groups:
//On dbserv1
[root@dbserv1 /]#for id in oinstall dba oper;do mkgroup $id;done
[root@dbserv1 /]#mkuser oracle;passwd oracle
[root@dbserv1 /]#chuser pgrp=oinstall oracle
[root@dbserv1 /]#chuser groups=oinstall,dba,oper oracle
[root@dbserv1 /]#chuser fsize=-1 oracle
[root@dbserv1 /]#chuser data=-1 oracle
//On dbserv2
[root@dbserv2 /]#for id in oinstall dba oper;do mkgroup $id;done
[root@dbserv2 /]#mkuser oracle;passwd oracle
[root@dbserv2 /]#chuser pgrp=oinstall oracle
[root@dbserv2 /]#chuser groups=oinstall,dba,oper oracle
[root@dbserv2 /]#chuser fsize=-1 oracle
[root@dbserv2 /]#chuser data=-1 oracle
(4).Change maxuprocs parameter:
[root@dbserv1 /]#chdev -l sys0 -a maxuproc=16384
sys0 changed
[root@dbserv2 /]#chdev -l sys0 -a maxuproc=16384
sys0 changed
(5).Create Oracle home:
[root@dbserv1 /]#mkdir /u01;chown oracle:oinstall /u01;su - oracle
[root@dbserv1 /]$vi .profile
export ORACLE_SID=example
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1
export NLS_DATE_FORMAT="DD-MON-YYYY HH24:MI:SS"
export TNS_ADMIN=$ORACLE_HOME/network/admin
export ORA_NLS11=$ORACLE_HOME/nls/data
export PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin:$JAVA_HOME/bin
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:${LD_LIBRARY_PATH}:$ORACLE_HOME/oracm/lib:/lib:/usr/lib:/usr/local/lib
export CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib:$ORACLE_HOME/network/jlib
export THREADS_FLAG=native
[root@dbserv1 /]$source .profile;mkdir -p $ORACLE_HOME
[root@dbserv2 /]#mkdir /u01;chown oracle:oinstall /u01;su - oracle
[root@dbserv2 /]$vi .profile
export ORACLE_SID=example
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1
export NLS_DATE_FORMAT="DD-MON-YYYY HH24:MI:SS"
export TNS_ADMIN=$ORACLE_HOME/network/admin
export ORA_NLS11=$ORACLE_HOME/nls/data
export PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin:$JAVA_HOME/bin
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:${LD_LIBRARY_PATH}:$ORACLE_HOME/oracm/lib:/lib:/usr/lib:/usr/local/lib
export CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib:$ORACLE_HOME/network/jlib
export THREADS_FLAG=native
[root@dbserv2 /]$source .profile;mkdir -p $ORACLE_HOME
(6).Ensure that the /tmp filesystem has enough space:
[root@dbserv1 /]#chfs -a size=+1G /tmp
二.Create a cluster:
1.Add a cluster:
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/claddclstr -n hatest
Current cluster configuration:
Cluster Name: hatest
Cluster Connection Authentication Mode: Standard
Cluster Message Authentication Mode: None
Cluster Message Encryption: None
Use Persistent Labels for Communication: No
There are 0 node(s) and 0 network(s) defined
No resource groups defined
2.Add nodes to cluster:
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/clnodename -a dbserv1 -p dbserv1
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/clnodename -a dbserv2 -p dbserv2
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/clnodename
dbserv1
dbserv2
3. Configure HACMP diskhb network:
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/clmodnetwork -a -l no -n net_diskhb_01 -i diskhb
[root@dbserv1 /]#/usr/es/sbin/cluster/cspoc/cl_ls2ndhbnets
Network Name Node and Disk List
============ ================== ==================
net_diskhb_01
4.Configure HACMP Communication devices:
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/claddnode -a diskhb_dbserv1:diskhb:net_diskhb_01:serial:service:/dev/hdisk5 -n dbserv1
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/claddnode -a diskhb_dbserv2:diskhb:net_diskhb_01:serial:service:/dev/hdisk5 -n dbserv2
[root@dbserv1 /]#/usr/es/sbin/cluster/cspoc/cl_ls2ndhbnets
Network Name Node and Disk List
============ ================== ==================
net_diskhb_01 dbserv1:/dev/hdisk5 dbserv2:/dev/hdisk5
Test diskhb nerwork:
[root@dbserv1 /]#/usr/es/sbin/cluster/sbin/cl_tst_2ndhbnet -cspoc -n'dbserv1,dbserv2' '/dev/hdisk5' 'dbserv1' '/dev/hdisk5' 'dbserv2'
cl_tst_2ndhbnet: Starting the receive side of the test for disk /dev/hdisk5 on node dbserv1
cl_tst_2ndhbnet: Starting the transmit side of the test for disk /dev/hdisk5 on node dbserv2
dbserv1: DHB CLASSIC MODE
dbserv1: First node byte offset: 61440
dbserv1: Second node byte offset: 62976
dbserv1: Handshaking byte offset: 65024
dbserv1: Test byte offset: 64512
dbserv1:
dbserv1: Receive Mode:
dbserv1: Waiting for response . . .
dbserv1: Magic number = 0x87654321
dbserv1: Magic number = 0x87654321
dbserv1: Magic number = 0x87654321
dbserv1: Link operating normally
dbserv2: DHB CLASSIC MODE
dbserv2: First node byte offset: 61440
dbserv2: Second node byte offset: 62976
dbserv2: Handshaking byte offset: 65024
dbserv2: Test byte offset: 64512
dbserv2:
dbserv2: Transmit Mode:
dbserv2: Magic number = 0x87654321
dbserv2: Detected remote utility in receive mode. Waiting for response . . .
dbserv2: Magic number = 0x87654321
dbserv2: Magic number = 0x87654321
dbserv2: Link operating normally
cl_tst_2ndhbnet: Test complete
5.Configure HACMP IP-Based Network:
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/clmodnetwork -a –n net_ether_02 –i ether –s 255.255.255.0 –l yes
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/clmodnetwork -a -n net_ether_03 -i ether -s 255.255.255.0 -l yes
6.Add Communication Interfaces:
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/claddnode -a'dbserv1' :'ether' :'net_ether_02' : : : -n'dbserv1'
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/claddnode -a'dbserv2' :'ether' :'net_ether_02' : : : -n'dbserv2'
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/claddnode -a'dbserv1-stby' :'ether' :'net_ether_03' : : : -n'dbserv1'
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/claddnode -a'dbserv2-stby' :'ether' :'net_ether_03' : : : -n'dbserv2'
7.Add service ip:
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/claddnode -Tservice -B'dbserv1-serv' -w'net_ether_01'
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/claddnode -Tservice -B'dbserv2-serv' -w'net_ether_01'
8.Add Resource Group:
Extended Configuration->Extended Resource Configuration->HACMP Extended Resource Group Configuration->Add a Resource Group
9.Add persistent ip:
Extended Configuration->Extended Topology Configuration->Configure HACMP Persistent Node IP Label/Addresses->Add a Persistent Node IP Label/Address
10.Verification and Synchronization:
Extended Configuration->Extended Verification and Synchronization or you can use following command:
[root@dbserv1 /]#usr/es/sbin/cluster/utilities/cldare -rt -V normal
三.Install Oracle databse:
1.Run rootpre.sh scripts:
Before install,you must run rootpre.sh from oralce meadia:
[root@dbserv1 database]#./rootpre.sh
./rootpre.sh output will be logged in /tmp/rootpre.out_12-05-28.13:38:43
Checking if group services should be configured....
Group "hagsuser" does not exist.
Creating required group for group services: hagsuser
Please add your Oracle userid to the group: hagsuser
Configuring HACMP group services socket for possible use by Oracle.
The group or permissions of the group services socket have changed.
Please stop and restart HACMP before trying to use Oracle.
[root@dbserv2 database]#./rootpre.sh
./rootpre.sh output will be logged in /tmp/rootpre.out_12-05-28.13:38:11
Checking if group services should be configured....
Group "hagsuser" does not exist.
Creating required group for group services: hagsuser
Please add your Oracle userid to the group: hagsuser
Configuring HACMP group services socket for possible use by Oracle.
The group or permissions of the group services socket have changed.
Please stop and restart HACMP before trying to use Oracle.
After do above step then you can install oracle database and copy the oracle installed files to another node.Make sure that the oracle listener address is you service ip.
2.Create start and stop scripts:
[root@dbserv1 /]#vi /etc/dbstart
#!/usr/bin/bash
#Define Oracle Home
ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1
#Start Oracle Listener
if [ -x $ORACLE_HOME/bin/lsnrctl ]; then
su - oracle "-c lsnrctl start"
fi
#Start Oracle Instance
if [ -x $ORACLE_HOME/bin/sqlplus ]; then
su - oracle "-c sqlplus"<<EOF
connect / as sysdba
startup
quit
EOF
fi
[root@dbserv1 /]#vi /etc/dbstop
#!/usr/bin/bash
#Define Oracle Home
ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1
#Stop Oracle Listener
if [ -x $ORACLE_HOME/bin/lsnrctl ]; then
su - oracle "-c lsnrctl stop"
fi
#Stop Oracle Instance
if [ -x $ORACLE_HOME/bin/sqlplus ]; then
su - oracle "-c sqlplus"<<EOF
connect / as sysdba
shutdown immediate
quit
EOF
fi
[root@dbserv1 /]#chmod +x /etc/dbst*
[root@dbserv1 /]#scp /etc/dbst* dbserv2:/etc
四.Register A Application to Resource Group
1.Configure HACMP Application Servers:
Extended Configuration->Extended Resource Configuration->HACMP Extended Resources Configuration->Configure HACMP Application Servers->Add an Application Server
2.Create Application Monitor:
Extended Configuration->Extended Resource Configuration->Configure HACMP Application Servers->Configure HACMP Application Monitoring->Add a Process Application Monitor
3.Register A resource to resource group:
Extended Configuration->Extended Resource Configuration->HACMP Extended Resource Group Configuration->Change/Show Resources and Attributes for a Resource Group
5.Verification and Synchronization
Excute following command:
[root@dbserv1 /]#usr/es/sbin/cluster/utilities/cldare -rt -V normal
After above steps,start hacmp service and test you configuration.
6.Display HACMP Configuration:
[root@dbserv1 /]#/usr/es/sbin/cluster/utilities/cldisp
Cluster: hatest
Cluster services: active
State of cluster: up
Substate: stable
#############
APPLICATIONS
#############
Cluster hatest provides the following applications: example
Application: example
example is started by /etc/dbstart
example is stopped by /etc/dbstop
Application monitor of example: example
Monitor name: example
Type: process
Process monitored: tnslsnr
Process owner: oracle
Instance count: 1
Stabilization interval: 60 seconds
Retry count: 3 tries
Restart interval: 198 seconds
Failure action: fallover
Cleanup method: /etc/lsnrClear.sh
Restart method: /etc/lsnrRestart.sh
This application is part of resource group 'oradb'.
Resource group policies:
Startup: on first available node
Fallover: to next priority node in the list
Fallback: never
State of example: online
Nodes configured to provide example: dbserv1 {up} dbserv2 {up}
Node currently providing example: dbserv1 {up}
The node that will provide example if dbserv1 fails is: dbserv2
Resources associated with example:
Service Labels
dbserv1-serv(172.16.255.15) {online}
Interfaces configured to provide dbserv1-serv:
dbserv1 {up}
with IP address: 172.16.255.11
on interface: en0
on node: dbserv1 {up}
on network: net_ether_02 {up}
dbserv2 {up}
with IP address: 172.16.255.13
on interface: en0
on node: dbserv2 {up}
on network: net_ether_02 {up}
dbserv2-serv(172.16.255.17) {online}
Interfaces configured to provide dbserv2-serv:
dbserv1 {up}
with IP address: 172.16.255.11
on interface: en0
on node: dbserv1 {up}
on network: net_ether_02 {up}
dbserv2 {up}
with IP address: 172.16.255.13
on interface: en0
on node: dbserv2 {up}
on network: net_ether_02 {up}
Shared Volume Groups:
oradata
#############
TOPOLOGY
#############
hatest consists of the following nodes: dbserv1 dbserv2
dbserv1
Network interfaces:
diskhb_01 {up}
device: /dev/hdisk5
on network: net_diskhb_01 {up}
dbserv1 {up}
with IP address: 172.16.255.11
on interface: en0
on network: net_ether_02 {up}
dbserv1-stby {up}
with IP address: 192.168.0.11
on interface: en1
on network: net_ether_03 {up}
dbserv2
Network interfaces:
diskhb_02 {up}
device: /dev/hdisk5
on network: net_diskhb_01 {up}
dbserv2 {up}
with IP address: 172.16.255.13
on interface: en0
on network: net_ether_02 {up}
dbserv2-stby {up}
with IP address: 192.168.0.13
on interface: en1
on network: net_ether_03 {up}
Append Following On 2012/6/11:
Before you start powerHA service,you must excute following steps on both nodes then you can run clstat command.
[root@dbserv1 utilities]# snmpv3_ssw -1
Stop daemon: snmpmibd
In /etc/rc.tcpip file, comment out the line that contains: snmpmibd
In /etc/rc.tcpip file, remove the comment from the line that contains: dpid2
Stop daemon: snmpd
Make the symbolic link from /usr/sbin/snmpd to /usr/sbin/snmpdv1
Make the symbolic link from /usr/sbin/clsnmp to /usr/sbin/clsnmpne
Start daemon: dpid2
Start daemon: snmpd
[root@dbserv2 /]# snmpv3_ssw -1
Stop daemon: snmpmibd
In /etc/rc.tcpip file, comment out the line that contains: snmpmibd
In /etc/rc.tcpip file, remove the comment from the line that contains: dpid2
Stop daemon: snmpd
Make the symbolic link from /usr/sbin/snmpd to /usr/sbin/snmpdv1
Make the symbolic link from /usr/sbin/clsnmp to /usr/sbin/clsnmpne
Start daemon: dpid2
Start daemon: snmpd
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