On 8/31/19 4:14 PM, Zoltan Arnold Nagy wrote:
Could you elaborate a bit more? upmap is used to map
specific PGs to
specific OSDs
in order to deal with CRUSH inefficiencies.
Why would I want to add a layer of indirection when the goal is to
remove the bucket
entirely?
As I understood you want to make huge CRUSH map changes without huge
data movement.
Upmap can help with this, you map your current PG's to OSD's that
already holds this PG's.
k