Description

This article provide solution for "disk drive smart error clear alarm chassisd messages" every 5 seconds if FPC2 in VC.

Symptoms

This issue might be seen if the following conditions are met:

  • Member 2 (FPC 2) is present in a QFX5110-VC running 20.2R2-S3
  • FPC 2 is working as an master device in VC.

qfx5110> show virtual-chassis 
Preprovisioned Virtual Chassis
Virtual Chassis Mode: Enabled
                                                Mstr           Mixed Route Neighbor List
Member ID  Status   Serial No    Model          prio  Role      Mode  Mode ID  Interface
0 (FPC 0)  Prsnt    ABCD1234EFG qfx5110-32q      0   Linecard     N  VC   2  vcp-255/0/0
                                                                           1  vcp-255/0/1
1 (FPC 1)  Prsnt    DCAB5678FGH qfx5110-32q    129   Backup       N  VC   0  vcp-255/0/0
                                                                           2  vcp-255/0/1
2 (FPC 2)  Prsnt    WXYZ7856CDE qfx5110-32q    129   Master*      N  VC   0  vcp-255/0/0
                                                                           1  vcp-255/0/1

 

Logs for the FPC 2.

root@switch> monitor start /var/log/chassisd
Jul 28 19:23:32  send: yellow alarm clear, device Routing Engine 2, reason Host 2 disk drive 0 smart error
Jul 28 19:35:32  send: yellow alarm clear, device Routing Engine 2, reason Host 2 disk drive 0 smart error

 

 

Solution

Workaround

  • Change member 2 number to any other number
root@switch# delete virtual chassis member 2 role routing-engine serial-number WXYZ7856CDE.
root@switch# set virtual chassis member 3 role routing-engine serial-number WXYZ7856CDE.


This issue is fixed in version:
  • 20.3R2-S3
  • 20.4R3-S4
  • 21.4R1

 

Modification History

25 July 2023: first draft.
25th July 2023: Changes visibility, Validation status & content