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How to UPGRADING ASM FROM ORACLE 10G TO ORACLE 11G RELEASE 2

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This note describes the steps for upgrading ASM running on Oracle 10.2.0.4 to Oracle 11.2.0.1 on a HP UX platform.

To upgrade the ASM, we need to install the 11g R2 Grid Infrastructure software as ASM is now no longer part of the database software as was the case in Oracle 10g.

We launch the installer from Grid Infrastructure software directory - unzip the file hpia64_11gR2_grid.zip which we have downloaded from OTN.

This error “Unable to get the current group” when we launch the installer is a known error for HP UX which is resolved by applying the OS patch OS patch PHCO_40381


Ensure the “Upgrade Grid Infrastructure” is chosen

The OUI detects the running 10g ASM instance and automatically the Upgrade Grid Infrastructure option is selected.


Specify the password for ASMSNMP user 

 

 
Select the appropriate group – we use dba group for all three – ignore the warning message which will follow.







One of the new 11g OUI features is that it generates some fix-up scripts which can be run to change or modify certain kernel parameter settings.

 
Click on the “Fix and Check Again” button




A fix-up script runfixup.sh has been generated which needs to be run as root – note some parameters cannot be changed on the fly and require a system reboot.

 After running the script, we click on OK and then on Check Again.


   
Even after running the fix-up script, some kernel parameters cannot be modified without a reboot.

 Since this is a test, we do not do a machine reboot at this stage and we check the Ignore All box and click on Next


 
Note that Migrate ASM is showing the value true




 
root@inpsidt1# ./rootupgrade.sh
Running Oracle 11g root.sh script...
 
The following environment variables are set as:
    ORACLE_OWNER= oracle
    ORACLE_HOME=  /data/oracle/product/11.2.0/grid
 
Enter the full pathname of the local bin directory: [/usr/local/bin]:
The file "dbhome" already exists in /usr/local/bin.  Overwrite it? (y/n) [n]:

The file "oraenv" already exists in /usr/local/bin.  Overwrite it? (y/n) [n]:
The file "coraenv" already exists in /usr/local/bin.  Overwrite it? (y/n) [n]:

 Entries will be added to the /etc/oratab file as needed by
Database Configuration Assistant when a database is created
Finished running generic part of root.sh script.

Now product-specific root actions will be performed.
2011-05-17 12:24:49: Checking for super user privileges
2011-05-17 12:24:49: User has super user privileges
2011-05-17 12:24:49: Parsing the host name

Using configuration parameter file:
/data/oracle/product/11.2.0/grid/crs/install/crsconfig_params
Creating trace directory
stty: : Not a typewriter
stty: : Not a typewriter
stty: : Not a typewriter
mesg: cannot change mode
LOCAL ADD MODE
Creating OCR keys for user 'oracle', privgrp 'oinstall'..
Operation successful.
CSS appears healthy
Stopping CSSD.
Shutting down CSS daemon.
Shutdown request successfully issued.
Shutdown has begun. The daemons should exit soon.

CRS-4664: Node inpsidt1 successfully pinned.

Adding daemon to inittab
CRS-4123: Oracle High Availability Services has been started.
ohasd is starting
 
inpsidt1     2011/05/17 12:26:18    /data/oracle/product/11.2.0/grid/cdata/inpsidt1/backup_20110517_122618.olr
Successfully configured Oracle Grid Infrastructure for a Standalone Server
Updating inventory properties for clusterware
Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 7591 MB    Passed
The inventory pointer is located at /var/opt/oracle/oraInst.loc
The inventory is located at /home/oracle/oraInventory
'UpdateNodeList' was successful.

 





 
Automatic Storage Management Configuration Assistant ASMCA is a new tool in Oracle 11g for performing ASM administration.
 
Previously we used to do the same via DBCA in Oracle 10g.
 
From the installation log files we can see that ASM is being upgraded by the ASMCA which has been invoked by the OUI.

 INFO: Starting 'Automatic Storage Management Configuration Assistant'
INFO: Starting 'Automatic Storage Management Configuration Assistant'
INFO: Executing ASMCA
INFO: Command /data/oracle/product/11.2.0/grid/bin/asmca -silent -oui_internal -upgradeASM
INFO: ... GenericInternalPlugIn.handleProcess() entered.
INFO: ... GenericInternalPlugIn: getting configAssistantParmas.
INFO: ... GenericInternalPlugIn: checking secretArguments.
INFO: ... GenericInternalPlugIn: starting read loop.
INFO: Read: ASMSNMP_PASSWORD_PROMPT
INFO: Processing: ASMSNMP_PASSWORD_PROMPT for argument tag –asmMonitorPassword
INFO: End of argument passing to stdin
INFO: Read:
INFO: Read: ASM upgraded and started successfully.
INFO: Read:
INFO: Completed Plugin named: Automatic Storage Management Configuration Assistant



We can see that the oratab file has also been updated and the ORACLE_HOME for the ASM instance is now showing the 11g Oracle Home


root@inpsidt1# cat /etc/oratab |grep ASM
+ASM:/data/oracle/product/11.2.0/grid:N

Let us now add a new disk to the previously existing disk group DATA which was created in 10g ASM.

We launch ASMCA via asmca from Grid Infrastructure software home

 





 

Note: Right click on the disk group name to bring up the menu







 
 


 

Note there are two types of compatibility for the diskgroup. One is the ASM compatibility and the other is Database compatibility.

  • ASM Compatibility: The minimum version of the ASM software that can access the disk group. In 11g, the default setting is 10.1.
  • Database Compatibility:            The minimum COMPATIBLE database initialization parameter setting for any database instance that uses the disk group. In 11g, the default setting is 10.1.

Note – before performing the ASM upgrade, shut down any Oracle databases on the same machine or they will be abnormally shutdown when communication to the ASM instance is lost as the existing 10g ASM instance is shutdown as part of the ASM upgrade process.

 
We can see lines like this in the database alert log:

 

Errors in file /data/oracle/product/10.2.0.4.5/admin/test11g/bdump/test11g_asmb_15099.trc:

ORA-15064: communication failure with ASM instance

ORA-03113: end-of-file on communication channel

Tue May 17 12:25:08 2011

ASMB: terminating instance due to error 15064

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