How to change InfiniBand bonding on Exadata X4-2 from active/active to active/passive
(Doc ID 1642955.1)
Last updated on SEPTEMBER 24, 2021
Applies to:Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
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 126.96.36.199.0 and later, and Clusterware version 188.8.131.52 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 184.108.40.206.0.131219 and Clusterware version 220.127.116.11.2. 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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