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How to change InfiniBand bonding on Exadata X4-2 from active/active to active/passive (Doc ID 1642955.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2 to 12.1]
Oracle Exadata Storage Server Software - Version to [Release 11.2 to 12.1]
Exadata X4-2 Hardware - Version All Versions to All Versions [Release All Releases]
Oracle Platinum Services - Version N/A to N/A
Linux x86-64


In the default deployment of the Exadata X4-2 Database Machine, the InfiniBand bonding is set up in the active/active mode, on all database servers and all storage cells. Earlier models of the Exadata Database Machine (V2, X2-2, X3-2) have the InfiniBand set up in the active/passive mode. If there is a requirement to have a single cluster with a combination of X4-2 and V2/X2-2/X3-2, the InfiniBand bonding needs to be set up in active/passive mode on all X4-2 database servers. This is normally done by Oracle Advanced Customer Support team at the deployment time.

If the requirement to connect X4-2 to V2/X2-2/X3-2 was not known at the deployment time, the Exadata X4-2 Database Machine would have been deployed with the InfiniBand bonding in active/active mode. In that case the InfiniBand bonding needs to be changed to active/passive mode on X4-2 database servers. This document describes the procedure to accomplish this task. Note that there is no need to make any changes on the X4-2 storage cells.

The procedure applies to Exadata image version and later, and Clusterware version and later. Please refer to Exadata Database Machine and Exadata Storage Server Supported Versions [Doc ID 888828.1], for a minimum Exadata image and Clusterware versions, for specific product features.

The document shows an example of the procedure on a quarter rack Exadata X4-2 Database Machine, running Exadata image version and Clusterware version The commands, server names, paths and IP addresses are provided for reference purposes only. Make sure to use the correct values for your system.

Note that there is no need to make any changes on the X4-2 storage cells.



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In this Document
 SECTION I - The backup
 1. Backup the root file system
 2. Backup the Oracle Cluster Registry (OCR)
 3. Backup the databases
 4. Backup network interface information
 5. Backup the Exadata specific configuration files
 6. Backup ASM spfile
 SECTION II - The changes
 1. Create the ifcfg-bondib0 network interface scripts
 2. Modify the ifcfg-ib0 and ifcfg-ib1 scripts
 3. Move the network route and rule scripts
 4. Modify the CLUSTER_INTERCONNECTS initialization parameter
 4.1. ASM
 4.2. Databases
 5. Modify the cluster interconnect interface configuration
 6. Modify the Exadata specific configuration files
 7. Stop CRS
 7.1. Node 1
 7.2. Node 2
 8. Reboot all database servers in the X4-2 cluster.
 8.1. Node 1
 8.2. Node 2
 9. Verify the changes
 9.1. Network interfaces
 9.2 Clusterware
 9.3. The ASM and database instances

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