That’s right, I also used vmware cpi. This CPI does not have disk_snapshot function [1]. I raised this question here [2].

You get the number of a task in output of your bosh command. Try to run the command again and look for task string.

[1] https://github.com/cloudfoundry-incubator/bosh-vsphere-cpi-release/blob/master/src/vsphere_cpi/lib/cloud/vsphere/cloud.rb <https://github.com/cloudfoundry-incubator/bosh-vsphere-cpi-release/blob/master/src/vsphere_cpi/lib/cloud/vsphere/cloud.rb>
[2] https://github.com/cloudfoundry-incubator/bosh-vsphere-cpi-release/issues/16 <https://github.com/cloudfoundry-incubator/bosh-vsphere-cpi-release/issues/16>