All 3 IB Switches on the single rack fabric are LID 0 And SM Master Is Not Running

(Doc ID 1606569.1)

Last updated on AUGUST 01, 2016

Applies to:

Exadata X3-2 Hardware - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

 All 3 IB switches on the fabric are reporting " No Master SubnetManager seen in the system" when running getmaster

SMinfo was reporting the following on the spine switch:

   # sminfo
    ibwarn: [22307] mad_rpc: _do_madrpc failed; dport (Lid 3)
   sminfo: iberror: failed: query

#ibnetdiscover shows "LID 0" for all nodes on the fabric

 

Cause

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