Oracle 10G RAC Deletes existing nodes

If there are now three nodes in the RAC cluster C1, C2, C3:

If you want to uninstall the C3 node.

1. Delete the C3 instance on C1 or C2

Run DBCA

Then select Oracle Real application Clusters Database

Select Instance Management

Select Delete an instance

Select an instance, fill in the user name password, Next

Select C3:instance3,next

Execution complete

2. Remove R3 ASM instance (if any)

On C1 or C2, under Oracle users:

Srvctl Stop Asm-n C3

Srvctl Remove Asm-n C3

3, with NETCA uninstall delete monitoring

On C1 or C2, NETCA

Select cluster Configuration,

Select the C3 node,

Select Listener Configuration,

Select Delete,

Select Listener

4. Update Orainventory

On C1 or C2.

In the $oracle_home/oui/bin

Performed:./runinstaller-updatenodelist oracle_home= $ORACLE _home "CLUSTER_NODES=C1,C2"

On the C3.

In the $oracle_home/oui/bin

Performed:./runinstaller-updatenodelist oracle_home= $ORACLE _home "CLUSTER_NODES=C1,C2"

./runinstaller-updatenodelist oracle_home= $ORACLE _home "CLUSTER_NODES=C3"-local

5. Delete Oracle Software in C3

In the $oracle_home/bin

./runinstaller-deinstall

Delete only the database software (do not remove the cluster software)

6. Delete the remaining resources

On C1 or C2.

Under Oracle Users:

/u01/crs_1/bin/srvctl Stop Nodeapps-n C3

Under the root User:
/u01/crs_1/bin/srvctl Remove Nodeapps-n C3

7. Delete C3 Cluster

On the C3.

cd/u01/crs_1/install/

./rootdelete.sh

8, delete the C3 on C1

Under the root user

Cd/u01/crs_1/install

./rootdeletenodesh C3 3

9, in C1 delete C3 Clusterware record information

Cd/u01/crs_1/oui/bin

./runinstaller-updatenodelist oracle_home=/u01/crs_1 "CLUSTER_NODES=C1,C2" crs=true

10, update the Orainventory on C3

Cd/u01/crs_1/oui/bin

./runinstaller-updatenodelist oracle_home=/u01/crs_1 "CLUSTER_NODES=C3" crs=true-local

11, delete the Clusterware software on the C3

Cd/u01/crs_1/oui/bin

./runinstaller-deinstall

Attention:

In the middle you can use Crs_stat-t to view resource status

You can stop a resource with Srvctl stop xxx-n C3

You can remove a resource with Srvctl remove Xxx-n C3

Oracle 10G RAC Deletes existing nodes