Large Snapshot Removal - VMware Forum - Spiceworks
https://community.spiceworks.com/topic/2227509-large-snapshot-removal27.09.2019 · If VM is running, and you remove the snapshot, there's still some temporary VMDK, that keeps all the changes while VM running, consuming more disk space, that you don't have more. I don't think, that deleting some files from VM will help, it could become worse, because it'll see, that some blocks has changed, and it will write the changes to delta file.