diskSizeGb property
Size of the disk attached to each node, specified in GB.
The smallest allowed disk size is 15 GB for node pools running GKE versions 1.36.3-gke.1480000 or later. Or, for earlier versions, the smallest allowed disk size is 12 GB. If unspecified, the default disk size is 100GB.
Implementation
core.int? diskSizeGb;