updated upgrade documentation to remove
the snapshot created by alpha driver before
upgrade of CSI driver as beta snapshot is not
backward compatible with the alpha snapshot.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
Added step to identify alpha snapshot CRD.
Added step to delete alpha CRD and link
for installing beta CRD.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This PR updates the upgrade doc to handle the
node drain issue what we have seen in
https://github.com/ceph/ceph-csi/issues/756
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
