GCP – GCP VM Disk Space Alert Setup

google-compute-enginemonitoringsystem-monitoring

How can I configure GCPs monitoring suite to look at % disk utilization (in total space used, not IOPs)?

The only "disk used" metric I see in metrics explorer seems to chart some kind of units per second.

My end goal is to set alerts when a disk reaches past a certain threshold, say 85%, before filling up.

Best Answer

Go to GCP console > Monitoring > alerting policy. Click on "+ Create Policy" button on the top and "Add Condition" 0 you will see a panel that looks something like this below.

Alerting policy creation details

Set everything as fallows:

Target:

  • Resource type: GCE VM Instance
  • Metric: Disk Utilization

Filters:

  • name: name of your disk (a list of all your disks will pop up - select one)
  • device: name of the partition (the one you want to monitor)
  • state: free

Configuration:

  • Condition: below
  • Threshold: 15% (or any other value)
  • for: (most recent value to get alert immediately)
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