APIC Clustering and Upgrade: Lesson 3: ACI Upgrade Procedure

Created by kboswort on Jan 8, 2018 10:48 AM. Last modified by kboswort on Aug 16, 2018 1:25 PM.

Lesson 3: ACI Upgrade Procedure

In this free training video, James (Yong Hee) Lee describes in detail the proper upgrade prodedure for ACI. The following additional informational resources are provided in this lesson. Show Additional Information

Upgrade Procedure

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Check Upgrade Preparation (next section)
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- Admin > Firmware > Firmware Repository
Create Firmware Group
- Fabric Node Firmware > Firmware Groups
Create Maintenance Group
- Fabric Node Firmware > Maintenance Groups
Perform APIC Upgrade
- Controller Firmware
Perform Fabric Node Upgrade
- Fabric Node Firmware > Maintenance Groups
Upgrade status check
- From APIC "show firmware upgrade status"

Upgrade Common Issues

CIMC
- TPM may get disabled after CIMC upgrade
  - Upgrade from 2.0(3i) > 2.0(9c)
  - Bug ID: CSCvc93090
  - Workaround: Access BIOS and change TPM setting
- Memory Leak
  - CIMC running earlier than 1.5(4g) or 2.0(3i)
  - Bug ID: CSCun88303
  - Workaround: Powercycle by un-plugging the power
  - Fix: Upgrade CIMC to 2.0(3i) and above
APIC
- APIC does not start upgrade (IPMI Hang)
  - Due to IPMI hang, Appliance Element Process is hung
  - Bug ID: CSCuv26943
  - Redhat bug link: https://bugzilla.redhat.com/show_bug.cgi?id=1090619
  - Workaround: Reboot APIC
- APIC2/3 stuck at 75%
  - APIC 1 stuck on upgrade
  - Bug ID: CSCuv45740
  - Workaround:
    - Access APIC1 via KVM as "rescue-user" using last known admin password
    - Perform "acidiag restart mgmt"
  - APIC 2/3 does not recognize APIC1 finished upgrade
  - Bug ID: CSCvb94260 (more common than above)
  - Workaround:
    - "acidiag avread" to check version timestamp on each APIC1 and APIC2/3
    - acidiag restart mgmt