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Global status LED blinking on 2930M

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  • 1.  Global status LED blinking on 2930M

    Posted Mar 13, 2019 10:05 AM

    I have a stack of five 2930M switches with four JL321A and one JL323A.  I noticed today that the global status LEDs on four of the switches are blinking.  All switches have the JL325A 2p stacking module.  Two switches have the JL078A 40GbE QSFP+ module.  It might be helpful to show this in tabular form.   

     

    Switch #ModelGlobal LEDModulesNotes
    1JL321Asolid green2p stackingMember
    2JL321Afast orange2p stackingMember
    3JL321Afast orange2p stacking, 40GMember
    4JL321Afast orange2p stacking, 40G

    Standby

    5JL323Aslow orange2p stackingCommander

    Since I know that "fast" and "slow" are relative terms, I timed the flashing.  What I'm calling slow is blinking about 35 times/minute and fast is 75 times/minute.  Looking at the diagnostic LED section at https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-a00018958en_us#N10142, I don't see any mention of a fast orange state for the global status LED.  No other LED on the front or back is anything but solid green.  If it matters, the switches are running WC.16.06.0006.

     

    I don't see any relevant log errors.  Can anyone explain why my global status LEDs are blinking?



  • 2.  RE: Global status LED blinking on 2930M

    EMPLOYEE
    Posted Mar 13, 2019 05:57 PM

    Greetings!

     

    Have you checked the output of 'show stacking detail' and verified that all stack port links are displayed as Active? (If you choose to post that output here, make sure it is sanitized by removing serial numbers and MAC addresses first.)

     

    Other things to check as part of the troubleshooting process are the output of the following commands:

     

    switch# show system power-supply

Power Supply Status: 

  Member  PS#   Model     Serial      State           AC/DC  + V        Wattage   Max   
  ------- ----- --------- ----------- --------------- ----------------- --------- ------
  1       1                           Not Present     -- ---------         0         0
  1       2     JL086A    XXXXXXXXXX  Powered         AC 120V/240V        68       680
  2       1                           Not Present     -- ---------         0         0
  2       2     JL086A    XXXXXXXXXX  Powered         AC 120V/240V        36       680
  3       1                           Not Present     -- ---------         0         0
  3       2     JL086A    XXXXXXXXXX  Powered         AC 120V/240V        78       680
  4       1                           Not Present     -- ---------         0         0
  4       2     JL086A    XXXXXXXXXX  Powered         AC 120V/240V        64       680

switch# show system fans

Fan Information 

Member  1

  Num  | State       | Failures | Location 
-------+-------------+----------+----------
Sys-1  | Fan OK      |   0      | Chassis 
Sys-2  | Fan OK      |   0      | Chassis 
Sys-3  | Fan OK      |   0      | Chassis 
Sys-4  | Fan Removed |   0      | PS 1 
Sys-5  | Fan OK      |   0      | PS 2 

0 / 5 Fans in Failure State
0 / 5 Fans have been in Failure State

Member  2

  Num  | State       | Failures | Location 
-------+-------------+----------+----------
Sys-1  | Fan OK      |   0      | Chassis 
Sys-2  | Fan OK      |   0      | Chassis 
Sys-3  | Fan OK      |   0      | Chassis 
Sys-4  | Fan Removed |   0      | PS 1 
Sys-5  | Fan OK      |   0      | PS 2 

0 / 5 Fans in Failure State
0 / 5 Fans have been in Failure State

Member  3

  Num  | State       | Failures | Location 
-------+-------------+----------+----------
Sys-1  | Fan OK      |   0      | Chassis 
Sys-2  | Fan OK      |   0      | Chassis 
Sys-3  | Fan OK      |   0      | Chassis 
Sys-4  | Fan Removed |   0      | PS 1 
Sys-5  | Fan OK      |   0      | PS 2 

0 / 5 Fans in Failure State
0 / 5 Fans have been in Failure State

Member  4

  Num  | State       | Failures | Location 
-------+-------------+----------+----------
Sys-1  | Fan OK      |   0      | Chassis 
Sys-2  | Fan OK      |   0      | Chassis 
Sys-3  | Fan OK      |   0      | Chassis 
Sys-4  | Fan Removed |   0      | PS 1 
Sys-5  | Fan OK      |   0      | PS 2 

0 / 5 Fans in Failure State
0 / 5 Fans have been in Failure State

switch# show system temperature

 System Air Temperatures

  Member  1

  Temp    Current  Max   Min                       
  Sensor  Temp     Temp  Temp  Threshold  OverTemp 
  ------- -------- ----- ----- ---------- ---------
  Chassis 29C      30C   25C   45C        NO       


  Member  2

  Temp    Current  Max   Min                       
  Sensor  Temp     Temp  Temp  Threshold  OverTemp 
  ------- -------- ----- ----- ---------- ---------
  Chassis 27C      28C   23C   50C        NO       


  Member  3

  Temp    Current  Max   Min                       
  Sensor  Temp     Temp  Temp  Threshold  OverTemp 
  ------- -------- ----- ----- ---------- ---------
  Chassis 27C      28C   23C   45C        NO       


  Member  4

  Temp    Current  Max   Min                       
  Sensor  Temp     Temp  Temp  Threshold  OverTemp 
  ------- -------- ----- ----- ---------- ---------
  Chassis 28C      29C   23C   50C        NO

    Look for any abnormal indicators, such as a power supply present but not powered, a fan not working properly, or an OverTemp value of YES. 

     

    If that doesn't help, check the event log with filters for higher severity events ('show logging' with either '-e' or '-m' flags). 

     

    If none of these options helps identify the cause, log a TAC case to engage additional resources for troubleshooting the issue. 



  • 3.  RE: Global status LED blinking on 2930M

    Posted Oct 03, 2021 06:01 AM
    same thing happening here, the global LED is flashing and all the suggested checks look good to me.

    is there a command so i can remotely verify if there is an error condition?

    would be so much easier if the switch can tell me whats wrong rarther then execute 10 commands...?
    Original Message