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Old 09-02-2014, 12:08 PM
winst1 winst1 is offline
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Default False Alarm - Fan (5650)

Hello,

We have received (and continue to receive) false alarms for a fan failure in one of our 5650s. I see there was an advisory posted regarding false fan alarms for the 2450 (and patch was made available). I cannot find any advisory regarding the 5650 nor can I find any mention of it anywhere else. Can anyone tell me if this is a software bug and if so, is there a patch available to download and install on the 5650? Looks like this condition occurs almost every day.

From SMARTS:

durnm810:chassisFanFailure:major:Synoptics:Synopti cs Agent WDBSNSWPL01: Chassis Cooling Fan Failure Fan Status: 2


Yet when we check the device, we see no problems:


WDBSNSWPL01#show system verbose
System Information:
Operation Mode: Stack, Unit # 1
Size Of Stack: 5
Base Unit: 1
MAC Address: 98-D8-8C-4B-80-01
PoE Module FW: 5.0.1
Reset Count: 18
Last Reset Type: Power Cycle
Autotopology: Enabled
sysObjectID: 1.3.6.1.4.1.45.3.74.3
sysUpTime: 466 days, 15:31:37
sysNtpTime: 2014-08-28 08:10:19 GMT+00:00
sysRtcTime: Thursday 2014/08/28 08:10:19
sysServices: 6
sysContact: Network Services
sysName: WDBSNSWPL01
sysLocation: Woodbridge,NJ
Stack sysAssetId:
Unit sysAssetId:
Operational license: Base software
Installed license: Base software
Unit #1 (Base Unit):
Switch Model: 5650TD-PWR
Pluggable Port 49: (49) None
Pluggable Port 50: (50) SR
MAC Address: 98-D8-8C-4B-80-00
Hardware Version: 03
Firmware Version: 6.0.0.10
Software Version: v6.2.1.003
Serial Number: LBNNTMJPW301WR
Manufacturing Date: 11212009
Power Supply 1: AC-DC-48V-600W
Power Supply 2: AC-DC-48V-600W
Power Status : 1- OK 2- OK
Fan #1 Status: Normal
Fan #2 Status: Normal
Fan #3 Status: Normal
Unit #2:
Switch Model: 5650TD-PWR
Pluggable Port 49: (49) None
Pluggable Port 50: (50) None
MAC Address: 98-D8-8C-48-38-00
Hardware Version: 03
Firmware Version: 6.0.0.10
Software Version: v6.2.1.003
Serial Number: LBNNTMJPW301L8
Manufacturing Date: 11212009
Power Supply 1: AC-DC-48V-600W
Power Supply 2: AC-DC-48V-600W
Power Status : 1- OK 2- OK
Fan #1 Status: Normal
Fan #2 Status: Normal
Fan #3 Status: Normal
Unit #3:
Switch Model: 5650TD-PWR
Pluggable Port 49: (49) None
Pluggable Port 50: (50) None
MAC Address: 80-17-7D-27-4C-00
Hardware Version: 02
Firmware Version: 6.0.0.10
Software Version: v6.2.1.003
Serial Number: LBNNTMJPW30188
Manufacturing Date: 10082009
Power Supply 1: AC-DC-48V-600W
Power Supply 2: AC-DC-48V-600W
Power Status : 1- OK 2- OK
Fan #1 Status: Normal
Fan #2 Status: Normal
Fan #3 Status: Normal
Unit #4:
Switch Model: 5650TD-PWR
Pluggable Port 49: (49) None
Pluggable Port 50: (50) SR
MAC Address: 98-D8-8C-49-6C-00
Hardware Version: 03
Firmware Version: 6.0.0.10
Software Version: v6.2.1.003
Serial Number: LBNNTMJPW301P1
Manufacturing Date: 11212009
Power Supply 1: AC-DC-48V-600W
Power Supply 2: AC-DC-48V-600W
Power Status : 1- OK 2- OK
Fan #1 Status: Normal
Fan #2 Status: Normal
Fan #3 Status: Normal
Unit #5:
Switch Model: 5650TD-PWR
Pluggable Port 49: (49) None
Pluggable Port 50: (50) None
MAC Address: 00-1B-4F-BD-58-00
Hardware Version: 03
Firmware Version: 6.0.0.10
Software Version: v6.2.1.003
Serial Number: LBNNTMJPW303J2
Manufacturing Date: 09132010
Power Supply 1: AC-DC-48V-600W
Power Supply 2: AC-DC-48V-600W
Power Status : 1- OK 2- OK
Fan #1 Status: Normal
Fan #2 Status: Normal
Fan #3 Status: Normal
WDBSNSWPL01#


Any assistance would be appreciated!

Richard...





Last edited by winst1; 09-09-2014 at 10:52 AM. Reason: Question Update
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  #2  
Old 09-18-2014, 12:13 AM
akoryakin akoryakin is offline
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Default

Hello Richard,

Software Version 6.2.1.003 that currently is in use is very old. Too much bugs was fixed since SW 6.2.1 was released. You may read ‘Problems Resolved in This Release’ chapter in all next release notes for SW 6.2.x to find if there are is something related to Fan Failure issues. The latest available SW version is 6.2.8.

Best regards,
Andrey
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  #3  
Old 09-19-2014, 07:24 AM
rameshng rameshng is offline
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I also think that the sw upgrade might help to fix the false alarms.
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