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Multiple BDA Nodes in Cluster Automatically Rebooted While Patching Exadata (Doc ID 2481265.1)

Last updated on FEBRUARY 25, 2019

Applies to:

Big Data Appliance Integrated Software - Version 4.10.0 to 4.12.0 [Release 4.10]
Linux x86-64

Symptoms

Applying a critical patch update to Exadata and rebooting one of the Exadata nodes may cause a spontaneous reboot (i.e. crash) on multiple nodes of a BDA cluster that is connected via InfiniBand to the Exadata rack.

In such cases, any BDA node that has an active RDS connection to Exadata may also produce a VM core and the logs may show messages like:

This problem may affect one or more BDA nodes and may happen in BDA 4.12 and lower level versions.  The problem does not occur in BDA 4.13 and higher.

Changes

Patch actions and/or reboot of Exadata nodes which are connected via infiniband to a BDA.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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