Ceph

When changing live config values for OSDs via either "ceph daemon osd.X config set ..." or "ceph tell osd.X injectargs ..." for the first time, there is a confusing response regarding config values that actually haven't been touched at all.

1. ceph daemon osd.0 config set debug_bluestore 5 {
   "success": "rocksdb_db_paths = 'db,28561532518 db.slow,3800743857356' (not observed, change may require restart) rocksdb_separate_wal_dir = 'false' (not observed, change may require restart) "
   }

The targeted config value seems to be successfully changed anyway, still this behaviour seems to be confusing or may even indicate a bug somewhere in the config handling code. When repeating the same command, the expected "success": "" response is seen.