// Tests hashing order to be consistent.
	for i, testCase := range testCases {
		if crcHashElement := hashKey("CRCMOD", testCase.objectName, 200, testUUID); crcHashElement != testCase.crcHash {
			t.Errorf("Test case %d: Expected \"%v\" but failed \"%v\"", i+1, testCase.crcHash, crcHashElement)
		}
	}

	if crcHashElement := hashKey("CRCMOD", "This will fail", -1, testUUID); crcHashElement != -1 {

	NSScanner(ctx context.Context, updates chan<- DataUsageInfo, wantCycle uint32, scanMode madmin.HealScanMode) error
	BackendInfo() madmin.BackendInfo
	Legacy() bool // Only returns true for deployments which use CRCMOD as its object distribution algorithm.
	StorageInfo(ctx context.Context, metrics bool) StorageInfo
	LocalStorageInfo(ctx context.Context, metrics bool) StorageInfo

	// Bucket operations.

				return i, j, nil
			}
		}
	}

	return -1, -1, fmt.Errorf("DriveID: %s not found", format.Erasure.This)
}

// Legacy returns 'true' if distribution algo is CRCMOD
func (s *erasureSets) Legacy() (ok bool) {
	return s.distributionAlgo == formatErasureVersionV2DistributionAlgoV1
}

// connectDisks - attempt to connect all the endpoints, loads format

	formatErasureVersionV2 = "2"

	// formatErasureV3.Erasure.Version - version '3'.
	formatErasureVersionV3 = "3"

	// Distribution algorithm used, legacy
	formatErasureVersionV2DistributionAlgoV1 = "CRCMOD"

	// Distributed algorithm used, with N/2 default parity
	formatErasureVersionV3DistributionAlgoV2 = "SIPMOD"

	// Distributed algorithm used, with EC:4 default parity

		return nil, "", err
	}

	disk := newXLStorageDiskIDCheck(storage, false)
	disk.SetDiskID("da017d62-70e3-45f1-8a1a-587707e69ad1")
	return disk, diskPath, nil
}

	}

	for _, err := range g.Wait() {
		if err != nil {
			storageLogIf(ctx, err)
		}
		// let's the rest shutdown
	}
	return nil
}

// Legacy returns 'true' if distribution algo is CRCMOD
func (z *erasureServerPools) Legacy() (ok bool) {
	ok = true
	for _, set := range z.serverPools {
		ok = ok && set.Legacy()
	}
	return ok
}