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Use Case: Extracting Performance data from OnCommand using APIs

Use Case: Extracting Performance data from OnCommand using APIs. Arda Oral - Professional Services Engineer. Agenda. Scope of Work Environment Performance Collection Implementation – The Theory Implementation – The Praxis (Demonstration) SLA Thresholds Dashboard. Scope of Work.

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Use Case: Extracting Performance data from OnCommand using APIs

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  1. Use Case:Extracting Performance data from OnCommand using APIs Arda Oral - Professional Services Engineer

  2. Agenda • Scope of Work • Environment • Performance Collection • Implementation – The Theory • Implementation – The Praxis (Demonstration) • SLA Thresholds • Dashboard

  3. Scope of Work • Customer wants to retrieve and store performance data of all storage controllers (NetApp and other vendors) in his common “performance database” • Customer defines SLAs to theperformancevalues. SLA violationsare to beimportedintothedatabase • Dashboard presenting SLA violations

  4. Scope of Work • Oncommand „Performance Advisor“ responsible for data collection • Performance data is stored in internal Sybase database • NMSDK APIs used to access Oncommand Performance data

  5. Environment • ~ 30 NetApp Storage Systems • OnCommand5 on a Windows 2008 Server • Oracle10 Database on AIX 5 (Performance DB)

  6. Environment Windows 2008 AIX 5 http,https OnCommand5 http,https NMSDK4.1 Oracle Performance DB

  7. Performance Collection • NetAppperformancedataisbeingcollectedbythe CounterManager (CM) residing on the storage controller • CM groupsdata in objects, instancesandcounters • Data canberetrievedwith „stats“ on a storagecontroller

  8. Performance Collection • statslistobjects(aggregate, cifs, disk, lun, volume…) • stats listinstancesobjectname: aggregate, instance: aggr1objectname: system, instance: systemobjectname: volume, instance: vol0 • stats listcountersobjectname: aggregate, counter: user_readsobjectname: system, counter: cpu_busyobjectname: lun, counter: avg_latency

  9. Implementation – The Theory • Install NMSDK 4.1on AIX5 server • Installrequired Perl Modules (SSL,LWP…) • Check NMDSK examples (basic, advanced)../netapp-manageability-sdk-4.1/src/sample/DataFabric_Manager/API_Sample_Code/advanced/Perl/perf_counters/ • Find appropriate API: perf-get-counter-data../netapp-manageability-sdk-4.1/doc/WebHelp/index.htm

  10. NetApp Confidential - Internal Use Only

  11. Implementation – The Theory (cont. 1) perf-get-counter-data start-time end-time sample-rate instance-counter-info time-consolidation-method object-name-or-id counter-info perf-object-counter API =Object =string/int = object-type counter-name

  12. Implementation – The Theory (cont. 2) Command on storage system:stats show -i 1 system:*:cpu_busy

  13. SLA Thresholds • CPU_BUSY > 90% = SLA violation • Disk_BUSY > 90% = SLA violation • LUN Latency > 20ms = SLA violation • TARGET Queue Full = SLA violation • if 10% of collected counter data exceed SLA threshold storage system counter is flagged yellow **if 20% of collected counter data exceed SLA threshold storage system counter is flagged red

  14. Dashboard (sample output)

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