If you do not have vCenter and you want to be able to collect performance stats past 1 hour, this option is greyed out in the vSphere client, however turning this on is pretty easy:

  1. SSH to the host
  2. Open the file “vi /etc/vmware/hostd/config.xml”
  3. Find the <historicalStatsEnabled> tag under <statssvc> and make this true
  4. Run “services.sh restart”

cpu-pastday

mem-pastday

 

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