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Tuning Manager API: Multiple AgentForRAID for the same Storage Serial Number

Question asked by Andrei ASTRAKHARCHIK on Sep 11, 2017

Hi,

 

I'm using Tuning Manager API https://support.hds.com/download/epcra/hc2184.pdf to list AgentForRAIDs:

 

http://10.182.1.22:22015/TuningManager/v1/objects/AgentForRAID

 

I'm getting the four entries for the same storage serial number:

 

AgentForRaid [instanceName=DS1SDC_G800441107, hostName=xxx, ipAddr=10.182.1.22, dataModelVersion=9.8, storageVendor=HITACHI, storageModel=VSP G1000, storageSerialNumber=56242, lastUpdateTime=2017-03-10T18:37:25Z]

AgentForRaid [instanceName=SDC_VSP356242, hostName=xxx, ipAddr=10.182.1.22, dataModelVersion=9.8, storageVendor=HITACHI, storageModel=VSP G1000, storageSerialNumber=56242, lastUpdateTime=2017-03-13T07:01:53Z]

AgentForRaid [instanceName=SDC_VSP_56242, hostName=xxx, ipAddr=10.182.1.22, dataModelVersion=9.9, storageVendor=HITACHI, storageModel=VSP G1000, storageSerialNumber=56242, lastUpdateTime=2017-08-31T06:01:58Z]

AgentForRaid [instanceName=DS1SDC_VSP356242, hostName=xxx, ipAddr=10.182.1.22, dataModelVersion=9.8, storageVendor=HITACHI, storageModel=VSP G1000, storageSerialNumber=56242, lastUpdateTime=2017-03-10T18:37:25Z]

 

Why do I have multiple entries for the same storage?

 

I've tried to use the last Agent to retrieve the performance data:

 

'http://10.182.1.22:22015/TuningManager/v1/objects/RAID_PI_PRCS?hostName=mrsanperf01.corp.ngsmedicare.com&agentInstanceName=DS1SDC_VSP356242' received 'HTTP/1.1 404 Not Found'

What agent should I choose among the four? Should I try the one with the most recent update time?

 

How can eliminate the agents from the list, the ones that do not work?

 

Thank you,

Andrei Astra

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