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F2921: : get disk IO information from vcenter #143

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merged 2 commits into from
Nov 11, 2016

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@n40lab n40lab commented Nov 9, 2016

The following metrics are used from vCenter's PerfManager using real-time data. vCenter statistics level must be set to 2 (Settings -> Statistics, 5-minute) in order to get disk IO info:

  • virtualDisk.read to get diskrdbytes. vCenter provides an average in kilobytes/s so data retrieved will be an approximation.
  • virtualDisk.write to get diskwriops. vCenter provides an average in kilobytes/s so data retrieved will be an approximation.
  • virtualDisk.numberReadAveraged to get diskrdiops
  • virtualDisk.numberWriteAveraged to get diskwriops

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LGTM

@tinova tinova merged commit 01039ee into OpenNebula:feature-2921 Nov 11, 2016
@n40lab n40lab deleted the feature-2921 branch November 11, 2016 12:35
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