tl;dr - CSI is awesome but it doesn’t help you with cross-StorageClass data migration. I wrote a small, painfully procedural script & docker container called pvcloney to perform this task repeatably for myself. The code is a great crash-course to @kubernetes/client-node Today’s yak shave is of the storage variety – useful only to people who use/evaluate different storage mechanisms on their clusters. I’ve gone hostPath -> Rook -> Longhorn -> OpenEBS ZFS LocalPV -> OpenEBS LVM -> Rook ...
