Power Supply Fan / OMSA question / New kernel

ジム・キャロウェイ carraway at nexus.co.jp
Wed Jun 12 02:33:00 CDT 2002


Just wondering if anybody knew what was going on or could steer me in the right direction to get this problem solved.

We have a PowerEdge 2450, dual processor, 1G with Red Hat 7.2 with Dell's OMSA 4.51 monitoring our network 
using varioius tools.  Anyways, after upgrading the kernel from 2.4.9-31smp to 2.4.9-34smp today using the 
Red Hat Network, I got the following errors.  In the past, upgrading the kernel never resulted in errors.

Jun 12 13:36:23 monitor Server Administrator: EventID: 1353  Power supply detected a warning  Sensor location: Power supply 1  Chassis location: Main System Chassis  Previous state was: Unknown  Power supply 
fan has failed
Jun 12 13:36:23 monitor Server Administrator: EventID: 1353  Power supply detected a warning  Sensor location: Power supply 2  Chassis location: Main System Chassis  Previous state was: Unknown  Power supply 
fan has failed

When doing an snmpwalk to find the values for the power supply table, I got the following:

[root at monitor root]# snmpwalk localhost public enterprises.674.10892.1.600.12
enterprises.674.10892.1.600.12.1.1.1.1 = 1
enterprises.674.10892.1.600.12.1.1.1.2 = 1
enterprises.674.10892.1.600.12.1.2.1.1 = 1
enterprises.674.10892.1.600.12.1.2.1.2 = 2
enterprises.674.10892.1.600.12.1.3.1.1 = 0
enterprises.674.10892.1.600.12.1.3.1.2 = 0
enterprises.674.10892.1.600.12.1.4.1.1 = 250
enterprises.674.10892.1.600.12.1.4.1.2 = 250
enterprises.674.10892.1.600.12.1.5.1.1 = 4
enterprises.674.10892.1.600.12.1.5.1.2 = 4
enterprises.674.10892.1.600.12.1.7.1.1 = 2
enterprises.674.10892.1.600.12.1.7.1.2 = 2
enterprises.674.10892.1.600.12.1.8.1.1 = "Power supply 1"
enterprises.674.10892.1.600.12.1.8.1.2 = "Power supply 2"
enterprises.674.10892.1.600.12.1.10.1.1 = 1
enterprises.674.10892.1.600.12.1.10.1.2 = 1

Object ID 1.3.6.1.4.1.674.10892.1.600.12.1.4 is giving a value of 250 for both units, but if the power supply fans really died then I would have expected a value of 8 as listed in the Dell OpenManage Server 
Agent SNMP REFERENCE GUIDE 4.5.  However, it doesn't even list a value of 250.  Nor does it list a 0 value for Object ID 1.3.6.1.4.1.674.10892.1.600.12.1.3.

Do I need to re-install OSMA to get the drivers to sync with the new kernel or are my fans really shot?  If I do need to re-install them, can I just use the rpm -Uvh command or do I need to erase the rpms 
first?

Thanks.

Jim




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