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System reports as AFF-C400 instead of AFF-A400

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602
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Category:
aff-series
Specialty:
HW
Last Updated:
3/10/2025, 4:32:41 AM

Applies to

  • AFF A400
  • ONTAP Upgrade
  • Motherboard replacement

Issue

  • During an ONTAP upgrade or motherboard replacement, after reboot, the node does not see any disks or properly detect the new motherboard, causing the boot process to fail.

Waiting for giveback...(Press Ctrl-C to abort wait)
(...)
Entering FM state:5 because mbFound:0 local in headswap:0
Entering FM state:5 because mbFound:0 local in headswap:0

  • In maintenance mode the following is seen:
*> sysconfig -v
Capacity Optimized: true
[..]
Model Name:                       AFF-C400
Part Number:                      111-05250
  • e0c, e0d ports fail to take the 'storage' personality
    (even though boot argument "bootarg.pegasus.nvmeof.storage_ports="e0c,e0d" is set correctly)

*> storage port show    
Port Type Mode    Speed(Gb/s) State    Status  VLAN ID
---- ---- ------- ----------- -------- ------- -------
*>
*> storage port modify -p e0c -m storage    
Port e0c is invalid.    
*> storage port modify -p e0d -m storage
Port e0d is invalid.

  • Boot argument is set to true in 'printenv' output from LOADER prompt:

LOADER-B> printenv bootarg.init.qlc_cap_optimized

Variable Name        Value
-------------------- --------------------------------------------------
bootarg.init.qlc_cap_optimized true

  • Due to the difference between the expected cluster ports / storage ports between the A400 and C400 platforms, the node will not be able to see any disks upon boot

 

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