AIX6.1+HACMP+DB2 9.1+SAP ECC 6.0 High Availablity Installation

Dear All,
This is to request you that anyone having a sure shot Installation guide /Solution to Install SAP in High Availablity using following platform.
1. AIX 6.1
2. DB2 9.1
3. HACMP
4. ECC 6.0 SR 2
Note: Not Failover by scripting. High Availablity like Microsoft MCSC. Complete installation on Virtual host, IP and Shared File system/stirage.
Please....................................................
Regards
Dharmendra

Installing SAP NW07 SR3 with DB2 on AIX HACMP
Scenario:-
DB will run on Node A
SAP CI will run on Node B
If node A fails DB will failover to Node B
If node B fails CI will failover to Node A
Shared SAP and DB filesystem are in SAN
Filesystems will failover accordingly
Requirements:-
SAP NW07 SR3 DVDs
AIX Node A
AIX Node B
HACMP supports node failures. We are not using HACMP to probe Application (SAP/DB) failures. i.e. if SAP or DB process crashes HACMP will not failover the resource groups.
/etc/hosts should have IPs of both nodes
Assumptions:-
PRD = PRD
Node A hostname: dbserver
Node B hostname: ciserver
Shared filesystems
These filesystems can be moved/ failed over (unmounted /mounted) from one node to another.
/usr/sap/PRD
/sapmnt/PRD
/db2/PRD
/db2/db2prd
/db2/PRD/sapdata1
/db2/PRD/sapdata2
/db2/PRD/sapdata3
/db2/PRD/sapdata4
/db2/PRD/log_dir
/db2/PRD/db2dump
Users and Groups will be created by SAPINST.
Please make a note of the UIDs as we have to use the same UIDs and GIDs on other node as well.
User Home directory:- For prdadm please use a home directory on shared disk
For e.g. /usr/sap/PRD/home/prdadm
Use Distributed Installation option in SAPINST
Installation steps:-
Node A:
Mount SAP filesystems
Mount DB2 filesystems
Check /etc/hosts that IP of both nodes are available
Ping both nodes and check the IP address
Check output of command ifconfig u2013a and confirm that both IPs are available
Start SAPINST with SAPINST_USE_HOSTNAME option.
For e.f. ./sapinst SAPINST_USE_HOSTNAME=dbserver
Step 1: Global host preparation (this should be easy to finish)
Step 2: Database instance installation
During this step note down UIDs and GIDs created by sapinst.
During this step please choose /usr/sap/PRD/home/prdadm as user home for prdadm user.
With SR3 DVDs db2 software will be installed in /db2/PRD/db2_software
Step 3: Install SAP Central Instance with SAPINST_USE_HOSTNAME=ciserver
Stop / Start SAP -> Login and confirm SAP instance is running fine.
Shutdown SAP and DB2
Add entries in .rhosts in home directory on user prdadm and db2prd
For example in /usr/sap/PRD/home/prdadm/.rhots
<IP Address of Node A> prdadm
<IP Address of Node B> prdadm
<all possible IP address> prdadm
Similarly for /db2/db2prd/.rhosts
<IP Address of Node A> db2prd
<IP Address of Node B> db2prd
<all possible IP address> db2prd
Node B:
Move SAP resources from Node A to B (i.e. SAP filesystems should become available on Node B)
DO NOT MODE DB RESOURCES, Let it stay on Node A alone.
Create /db2/PRD and /db2/db2prd directories (this should have some free space, 10 GB is good to go)
Start SAP installation under Distributed installation option
Step 1: Global host preparation
Temporarily change /etc/hosts and make the IP of dbserver same as ciserver.
dbserver line should be written above ciserver line
i.e. u2018ping dbserveru2019 and u2018ping ciserveru2019 should return same IP address on Node B (NOT NODE A)
Step 2: Database instance installation with option SAPINST_USE_HOSTNAME=dbserver
During this installation, make sure UIDs and GIDs are given same as in Node A.
You can confirm the UIDs from /etc/passwd and GID from /etc/group
Also, make sure you specify user home for prdadm as /usr/sap/PRD/home/prdadm
Once installation starts ABAP Load and one or two jobs are completed, please cancel the installation.
as db2prd
db2stop force
db2start
db2 connect to PRD
It should be successful. This confirms the DB2 is setup properly.
db2stop terminate
db2stop force
rm u2013r /db2/db2prd/*
rm u2013r /db2/PRD/sapdata1
rm u2013r /db2/PRD/sapdata2
rm u2013r /db2/PRD/sapdata3
rm u2013r /db2/PRD/sapdata4
rm u2013r /db2/PRD/log_dir
rm u2013r /db2/PRD/db2dump
Retain these directories so that you can mount the shared filesystems from Node A to Node B during failover.
Change and correct IP address in /etc/hosts of host dbserver, which we changed temporarily earlier.
Failover DB resources to Node B
Check if all DB2 filesystems are correctly available.
On Node A, check and double confirm that there are no files/directories under /db2 and its subdirectories. i.e. all filesystems have come to Node B.
In our case there was one filesystem /db2/PRD/db2prd which did not come to node B and we had to struggle a lot to find the same.
CONTINUED BELOW !!!

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29.10.2008 Page 3 of 4
Note 1244548 - IDES ERP 6.0 ECC 6.0 SR3
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Edited by: Surapong Surabotsopon on Nov 4, 2008 4:55 AM
Edited by: Surapong Surabotsopon on Nov 4, 2008 4:56 AM
Edited by: Surapong Surabotsopon on Nov 4, 2008 5:00 AM

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Edited by: Manjug77 on Oct 29, 2009 2:45 PM

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Dear Expertise,
We have installed the SAP ECC 6.0 SR3 High Availability with DB2 UDB V9.1 FP5 in windows cluster environment.
We have installation following instances on nodes 1 and 2.
Node 1
DB2 database software
Central service instance for ABAP Installation on Shared drive G:
First MCSC node to create a cluster group u201Cpdssapgrpu201D
Database group u201Cpgsdbgrpu201D(Shared Drive)
Enqueue replication service
CI (central instance)(local Drive)
Node 2
DB2 database software
Additional cluster node
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so please Guide me as soon as possible Friends.
Thanks and Regards,
Ravindra
Edited by: Ravindra Bade on Mar 6, 2009 10:22 AM

Hi Ravidra
Have u solved the probelm I also have the same problem when i move the groups from node1 to node2 manually my 2 servrces 00 and 01 are failed not able to bring up again. If You solve the problem please guide me the solution to solve this.
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Request you to guide me in giving some information related to
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-official guidelines for SAP installation.
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by
Harika N

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I made a mistake and opened the thread 2 times. The other one was answered.
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Installation Cluster SAP ECC DB2

Hi experts,
I´m installing SAP ECC with DB2 in a Windows MSCS environment. I already installed all the critical components in the cluster, and now I need to install the CI. I´m using only 2 nodes. I have the following doubt:
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Or
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In this context CI and DI is the same?
Because in the installation guide the paragraph is a little bit confuse:
To protect system components that are non-SPOFs, for example application servers, you have to install them as multiple components. In this case you must install at least two application servers (one central instance and at least one dialog instance) on two different hosts.
Thanks a lot.
Kind Regards

Hi,
>> Do I need to install a local CI in the first node and the local DI in the second node and that is enought in case of failure?
How did you started the installation? You should perform the steps, under "High-Availability System" So, you will install ASCS first. Then, database instance, ERS, Central instance and Dialog instance
>> To protect system components that are non-SPOFs, for example application servers, you have to install them as multiple components. In this case you must install at least two application servers (one central instance and at least one dialog instance) on two different hosts.
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Best regards,
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[dbcon.c 5263]
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SAP - ECC EHP 5
Kernel Release 720 patch 90
OS - Red Hat Linux 5.5 - 64 bit
Database - DB2 (DB6)
Kindlly let us know if I have to put the file dbdb4slib.so in kernel directory and from where I can get this file and if my DBCON entry is correct ?
Regards
Saurabh Mishra

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If you use a DB2 CLI driver client, the following changes are required in
the procedure described above because the CLI driver does not support DB2
CLP and BIND commands:
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o The target host and port must be entered in the table DBCON.
For example, the CON ENV row looks as follows:
DB6_DB_NAME=HOSTDB;DB6_DB_TYPE=DB2/390;DB6_DB_HOST=<hostname>;
DB6_DB_SVCENAME=<portnum>;
o The BIND commands must be executed by a runtime client.
Alternatively, you can use the DB2Binder utility from Note 784264
to bind the CLI packages.
Is that mean that I need to only maintain the DBCON entry as all other commands are omitted for CLI driver and license file is mandatory or temp license will work ?
As per note 784264, I checked my CLASSPATH directory and it contain the JDBC driver file -
sapecdci1:db2ecd 58> pwd
/db2/db2ecd/db2_software/java
sapecdci1:db2ecd 59> ls db2*.jar
db2dbgm.jar db2jcc4.jar db2jcc.jar db2jcc_license_cu.jar db2policy.jar db2umplugin.jar
sapecdci1:db2ecd 60> db2set -all
[e] DB2DBDFT=ECD
 DB2_RESTORE_GRANT_ADMIN_AUTHORITIES=YES [DB2_WORKLOAD]
 DB2_BLOCKING_WITHHOLD_LOBLOCATOR=NO [DB2_WORKLOAD]
 DB2_AGENT_CACHING_FMP=OFF [DB2_WORKLOAD]
 DB2_TRUST_MDC_BLOCK_FULL_HINT=YES [DB2_WORKLOAD]
 DB2_CREATE_INDEX_COLLECT_STATS=YES [DB2_WORKLOAD]
 DB2_ATS_ENABLE=YES [DB2_WORKLOAD]
 DB2_RESTRICT_DDF=YES [DB2_WORKLOAD]
 DB2_DUMP_SECTION_ENV=YES [DB2_WORKLOAD]
 DB2_OPT_MAX_TEMP_SIZE=10240 [DB2_WORKLOAD]
 DB2_WORKLOAD=SAP
 DB2_TRUNCATE_REUSESTORAGE=IMPORT [DB2_WORKLOAD]
 DB2_MDC_ROLLOUT=DEFER [DB2_WORKLOAD]
 DB2_ATM_CMD_LINE_ARGS=-include-manual-tables [DB2_WORKLOAD]
 DB2_SKIPINSERTED=YES [DB2_WORKLOAD]
 DB2_VIEW_REOPT_VALUES=YES [DB2_WORKLOAD]
 DB2_OBJECT_TABLE_ENTRIES=65532 [DB2_WORKLOAD]
 DB2_OPTPROFILE=YES [DB2_WORKLOAD]
 DB2_IMPLICIT_UNICODE=YES [DB2_WORKLOAD]
 DB2_RUNTIME_DEBUG_FLAGS=TOLERANT_FLOAT [DB2_WORKLOAD]
 DB2STMM=APPLY_HEURISTICS:YES [DB2_WORKLOAD]
 DB2_INLIST_TO_NLJN=YES [DB2_WORKLOAD]
 DB2_MINIMIZE_LISTPREFETCH=YES [DB2_WORKLOAD]
 DB2_REDUCED_OPTIMIZATION=4,INDEX,JOIN,NO_TQ_FACT,NO_HSJN_BUILD_FACT,STARJN_CARD_SKEW,NO_SORT_MGJOIN,CART OFF,CAP OFF [DB2_WORKLOAD]
 DB2NOTIFYVERBOSE=YES [DB2_WORKLOAD]
 DB2TERRITORY=1
 DB2_INTERESTING_KEYS=YES [DB2_WORKLOAD]
 DB2_EVALUNCOMMITTED=YES [DB2_WORKLOAD]
 DB2_EXTENDED_OPTIMIZATION=NLJOIN_KEYCARD,IXOR [DB2_WORKLOAD]
 DB2_ANTIJOIN=EXTEND [DB2_WORKLOAD]
 DB2COMPOPT=327685,131776 [DB2_WORKLOAD]
 DB2ATLD_PORTS=60000:65000
 DB2ENVLIST=INSTHOME SAPSYSTEMNAME dbs_db6_schema DIR_LIBRARY LD_LIBRARY_PATH
 DB2COMM=TCPIP [DB2_WORKLOAD]
[g] DB2FCMCOMM=TCPIP4
[g] DB2SYSTEM=sapecdci1
[g] DB2INSTDEF=db2ecd
sapecdci1:db2ecd 61> java com.ibm.db2.jcc.DB3Binder
Exception in thread "main" java.lang.NoClassDefFoundError: com.ibm.db2.jcc.DB3Binder
 at gnu.java.lang.MainThread.run(libgcj.so.7rh)
Caused by: java.lang.ClassNotFoundException: com.ibm.db2.jcc.DB3Binder not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/db2/db2ecd/sqllib/java/db2jcc_license_cu.jar,file:/db2/db2ecd/sqllib/java/db2jcc.jar,file:/db2/db2ecd/sqllib/function/,file:./,file:/db2/db2ecd/sqllib/java/db2java.zip,file:./,file:/db2/db2ecd/sqllib/java/db2java.zip,file:./], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
 at java.net.URLClassLoader.findClass(libgcj.so.7rh)
 at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
 at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
 at gnu.java.lang.MainThread.run(libgcj.so.7rh)
sapecdci1:db2ecd 62> db2 get dbm cfg | grep -i svcename
TCP/IP Service name (SVCENAME) = sapdb2ECD
SSL service name (SSL_SVCENAME) =

AIX6.1+HACMP+DB2 9.1+SAP ECC 6.0 High Availablity Installation

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