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Cisco Bug: CSCuq31184 - backplane ports being pinned to wrong fabric interconnect after upgrade

Last Modified

Aug 06, 2020

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

2.2(2)C

Description (partial)

Symptom:
backplane ports being pinned to wrong fabric interconnect
in this particular case port 2/1 on IOM 2/2 is being pinned to Fabric A

there are no errors seen on UCS Manager unless we click on either the affected chassis of affected IOM, which then shows below

TBC-UCS-NITRO-01-B# scope chassis 2
TBC-UCS-NITRO-01-B /chassis # scope iom 2
TBC-UCS-NITRO-01-B /chassis/iom # show detail

IOM:
    ID: 2
    Side: Right
    Fabric ID: B
    User Label:
    Overall Status: Fabric Conn Problem   <<======================
    Oper qualifier: Server Port Problem      <<======================
    Operability: Operable
    Presence: Equipped
    Thermal Status: OK
    Discovery: Online
    Config State: Ok
    Peer Comm Status: Connected
    Product Name: Cisco UCS 2104XP
    PID: N20-I6584
    VID: V06
    Part Number: 73-11623-10
    Vendor: Cisco Systems Inc
    Serial (SN): QCI1538A8AF
    HW Revision: 0
    Mfg Date: 2011-09-25T00:00:00.000
    Controller Subject: Iocard
    Fabric Port Aggregation Capability:
    Current Task 1:
    Current Task 2:
TBC-UCS-NITRO-01-B /chassis/iom # show fault
TBC-UCS-NITRO-01-B /chassis/iom # show post
TBC-UCS-NITRO-01-B /chassis/iom #

Conditions:
did reset/reseat of IOM, no luck
did acknowledge of chassis, no luck
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