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6290b70d53
Currently, repair_service::repair_tablets starts repair if there is no ongoing tablet operations. The check does not consider global topology operations, like tablet resize finalization. Hence, if: - topology is in the tablet_resize_finalization state; - repair starts (as there is no tablet transitions) and holds the erm; - resize finalization finishes; then the repair sees a topology state different than the actual - it does not see that the storage groups were already split. Repair code does not handle this case and it results with on_internal_error. Start repair when topology is not busy. The check isn't atomic, as it's done on a shard 0. Thus, we compare the topology versions to ensure that the business check is valid. Fixes: https://github.com/scylladb/scylladb/issues/24195. Needs backport to all branches since they are affected Closes scylladb/scylladb#24202 * github.com:scylladb/scylladb: test: add test for repair and resize finalization repair: postpone repair until topology is not busy