Device showing power supply outage in CA Performance Management (CAPM) but the device command line (CLI) shows that it is fine
Article ID: 96763
Updated On:
Products
CA Infrastructure Management
CA Performance Management - Usage and Administration
Issue/Introduction
A device using the Cisco FRU Power Supply Vendor Certification is showing a power supply has failed but the device command line (sh env all) does not reflect a failed power supply
Environment
CA Performance Management 3.5
Cause
The Cisco FRU Power Supply vendor certification calculates Time in Bad State as follows:
Percent Time in Bad State from the vendor certification:
<Expression destAttr="PctTimeInBadState">snmpConstArrayMap(cefcFRUPowerOperStatus,{0,100,0,100,100,100,100,100,100,0,100,100,0})</Expression>
The snmpConstArrayMap function maps a value (index) to a set of constant values (array). If necessary, this function rounds the input value to nearest integer value. Then, it uses the integer value as an index to the set of constant values (array) that are shown as c0, c1, up to cn -1. The c values must be integers. This function checks these values when the expression is parsed and returns cx. If the value is not in the domain from 0 to n-1 (inclusive), the result is 0 (without an error message). Use this function to certify devices.
Actual OID polled from the Cisco FRU Power Supply vendor certification
<Attribute name="cefcFRUPowerOperStatus" type="Long">
<Documentation />
<IsKey>false</IsKey>
<NeedsDelta>false</NeedsDelta>
<Source>1.3.6.1.4.1.9.9.117.1.1.2.1.2</Source>
</Attribute>
Percent Time in Bad State from the vendor certification:
<Expression destAttr="PctTimeInBadState">snmpConstArrayMap(cefcFRUPowerOperStatus,{0,100,0,100,100,100,100,100,100,0,100,100,0})</Expression>
The snmpConstArrayMap function maps a value (index) to a set of constant values (array). If necessary, this function rounds the input value to nearest integer value. Then, it uses the integer value as an index to the set of constant values (array) that are shown as c0, c1, up to cn -1. The c values must be integers. This function checks these values when the expression is parsed and returns cx. If the value is not in the domain from 0 to n-1 (inclusive), the result is 0 (without an error message). Use this function to certify devices.
Actual OID polled from the Cisco FRU Power Supply vendor certification
<Attribute name="cefcFRUPowerOperStatus" type="Long">
<Documentation />
<IsKey>false</IsKey>
<NeedsDelta>false</NeedsDelta>
<Source>1.3.6.1.4.1.9.9.117.1.1.2.1.2</Source>
</Attribute>
The cefcFRUPowerOperStatus returns values 1-12 that map to states as follows:
1:offEnvOther
2:on
3:offAdmin
4:offDenied
5:offEnvPower
6:offEnvTemp
7:offEnvFan
8:failed
9:onButFanFail
10:offCooling
11:offConnectorRating
12:onButInlinePowerFail
The MIB values for the power supply returned a value of 8 which indicates failed as noted above.
Resolution
As the MIB value returned does not match what the device command line is reporting, this would need to be addressed by the device vendor
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