Description

The alarm "Host 0 Disk 1 Labelled incorrectly" is set and cleared in 5 seconds on Junos OS Evolved platforms.

 

Symptoms

The alarm "Host 0 Disk 1 Labelled incorrectly" is set and cleared in 5 seconds without any operation. 


<Junos EVO> platform-monitor[6478]: Incorrectly labelled Disk 1 partitions:
<Junos EVO> emfd-fpa[8230]: EMF_FPA_FAULT_REP: createFault: Fault(Location: /Chassis[0]/Re[0] Module: platform Object: ssd Error: 8) reported
<Junos EVO> emfd-fpa[8230]: EMF_EVO_ALARM_SET: Alarm set: RE color=yellow, class=CHASSIS, reason=Host 0 Disk 1 Labelled incorrectly
<Junos EVO> emfd-fpa[8230]: EMF_FPA_ALARM_REP: RaiseAlarm: Alarm(Location: /Chassis[0]/Re[0] Module: platform Object: ssd Error: 8) reported
<Junos EVO> platform-monitor[6619]: Disk 1 (SSD) labels corrected (label)
<Junos EVO> emfd-fpa[8230]: EMF_EVO_ALARM_CLR: Alarm cleared: RE color=yellow, class=CHASSIS, reason=Host 0 Disk 1 Labelled incorrectly
<Junos EVO> emfd-fpa[8230]: EMF_FPA_ALARM_CLR: ClearAlarm: Alarm(Location: /Chassis[0]/Re[0] Module: platform Object: ssd Error: 8) cleared
<Junos EVO> emfd-fpa[8230]: EMF_FPA_FAULT_CLR: destroyFault: Fault(Location: /Chassis[0]/Re[0] Module: platform Object: ssd Error: 8) cleared
<Junos EVO> platform-monitor[21202]: Incorrectly labelled Disk 1 partitions:
<Junos EVO> emfd-fpa[8230]: EMF_FPA_FAULT_REP: createFault: Fault(Location: /Chassis[0]/Re[0] Module: platform Object: ssd Error: 8) reported
<Junos EVO> emfd-fpa[8230]: EMF_EVO_ALARM_SET: Alarm set: RE color=yellow, class=CHASSIS, reason=Host 0 Disk 1 Labelled incorrectly
<Junos EVO> emfd-fpa[8230]: EMF_FPA_ALARM_REP: RaiseAlarm: Alarm(Location: /Chassis[0]/Re[0] Module: platform Object: ssd Error: 8) reported
<Junos EVO> platform-monitor[21397]: Disk 1 (SSD) labels corrected (label)
<Junos EVO> emfd-fpa[8230]: EMF_EVO_ALARM_CLR: Alarm cleared: RE color=yellow, class=CHASSIS, reason=Host 0 Disk 1 Labelled incorrectly
<Junos EVO> emfd-fpa[8230]: EMF_FPA_ALARM_CLR: ClearAlarm: Alarm(Location: /Chassis[0]/Re[0] Module: platform Object: ssd Error: 8) cleared
<Junos EVO> emfd-fpa[8230]: EMF_FPA_FAULT_CLR: destroyFault: Fault(Location: /Chassis[0]/Re[0] Module: platform Object: ssd Error: 8) cleared


You may see below alarm in some EVO platforms.

user@EVO> show system alarms no-forwarding

1 alarms currently active
Alarm time               Class  Description
2022-07-19 07:46:00 UTC  Minor  Host 0 Disk 2 Labelled incorrectly

Solution

This is a false alarm, which can safely be ignored. PR1801436 fixed this issue.
https://prsearch.juniper.net/problemreport/PR1801436

It is resolved-In:
evo:23.2R2-S1-EVO evo:23.4R2-EVO evo:24.2R1-EVO evo:24.3R1-EVO junos:23.4R2 junos:24.2R1 junos:24.3R1

Modification History

2024-04-15 : Article Created
2024-07-13 : Added a symptom