t.Fatalf("Expected node not found, node:%v, op: %v, tries: %d",
						expectedNode, verify_op, tries)
				}
				for _, expectedVolume := range expectedVolumeList {
					volFound = false
					for _, volume := range volumeList {
						if expectedVolume == volume {
							volFound = true
							break
						}
					}
					if !volFound && tries == 10 {