When removing large snapshots, the task status is progressing towards 100%, or so it should be; sometimes it goes to 0% in the web UI and the user is left clueless.
Updating the web UI doesn't bring the current progress back. Luckyli the shell on the host can be used to retrieve the progress:
Chaining a few commands, will get the progress of the "Snapshot.remove"-task:
1) Get a list of all VMs and filter by the name of your VM:
vim-cmd vmsvc/getallvms|grep -i garg|awk '{print $1}'
[root@virt58:/vmfs/volumes/vsan:5...2/4...9] vim-cmd vmsvc/getallvms|grep -i garg|awk '{print $1}'
72
The Vmid is returned, in this example 72
2) Verify the Vmid is in fact the VM you're interested in, fetch it's name:
vim-cmd vmsvc/get.summary 72|grep name
[root@virt58:/vmfs/volumes/vsan:5...2/4...9] vim-cmd vmsvc/get.summary 72|grep name
name = "Gargoil",
3) Having verified the Vmid, get the running tasks:
vim-cmd vmsvc/get.tasklist 72
(ManagedObjectReference) [
'vim.Task:haTask-72-vim.vm.Snapshot.remove-138283664'
]
4) Copy the vim.Task identifier and get task_info, filter "state" and "progress":
vim-cmd vimsvc/task_info haTask-72-vim.vm.Snapshot.remove-138283664|grep "state|progress"
state = "running",
progress = 86,
What the web UI failed to display, is that the "Snapshot.remove"-task is running and 86% complete, I guess this is why CLI is usually my favourite goto.
For more verbose output, remove the pipe to grep