Verify-Topology may Report Errors (Doc ID 1275503.1)

Last updated on JANUARY 31, 2020

Applies to:

Symptoms

verify-topology could fail with errors like:

opt/oracle.SupportTools/ibdiagtools/verify-topology -t fattree

[ DB Machine Infiniband Cabling Topology Verification Tool ]
[Version 11.2.1.3.b]
External non-Exadata-image nodes found...Ignoring those

Looking at 1 rack(s).....
Spine switch check: Are any Exadata nodes connected ..............[SUCCESS]
Spine switch check: Any inter spine switch connections............[SUCCESS]
Spine switch check: Correct number of spine-leaf links............[SUCCESS]
Leaf switch check: Inter-leaf link check..........................[SUCCESS]
Leaf switch check: Correct number of leaf-spine connections.......[SUCCESS]
Check if all hosts have 2 CAs to different switches...............[SUCCESS]
Leaf switch check: cardinality and even distribution..............[ERROR]

Leaf Switch xxxx-ib2.<domain> with GUID 0x2128469ea8a0a0 has fewer than 4 compute nodes connections
It has 0 links ( ) to compute nodes
[ERROR]

Leaf Switch xxxx-ib3.<domain> with GUID 0x2128469e0ba0a0 has fewer than 4 compute nodes connections
It has 0 links ( ) to compute nodes
[SUCCESS]

Or

Leaf switch check: cardinality and even distribution..............[ERROR]

Leaf Switch xxxx-ib2.<domain> with GUID 0x2128469ea8a0a0has fewer than 8 connections to compute nodes
It has 7 links (14A 13A 13B 12B 4B 4A 5A) to compute nodes
[ERROR]

Leaf Switch xxxx-ib3.<domain> with GUID 0x2128469e0ba0a0has fewer than 8 connections to compute nodes
It has 7 links (4B 4A 5A 14A 13A 13B 12B) to compute nodes
[ERROR]
2 switches did not meet this requirement

Changes

Cause

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