Move remote disk StorageAPI abstraction from RPC to REST (#6464)

cmd/xl-sets.go

@@ -194,6 +194,9 @@ func (s *xlSets) connectDisksWithQuorum() {
 			s.xlDisks[i][j] = disk
 			onlineDisks++
 		}
+		// Sleep for a while - so that we don't go into
+		// 100% CPU when half the disks are online.
+		time.Sleep(500 * time.Millisecond)
 	}
 }