nil, nil,
		}, []error{}, errErasureReadQuorum},
		// Validate if have consensus and errors ignored.
		{[]error{
			errVolumeNotFound,
			errVolumeNotFound,
			errVolumeNotFound,
			errVolumeNotFound,
			errVolumeNotFound,
			errDiskNotFound,
			errDiskNotFound,
		}, []error{errDiskNotFound}, errVolumeNotFound},
		{[]error{}, []error{}, errErasureReadQuorum},
		{
			[]error{
				errFileNotFound, errFileNotFound, errFileNotFound,

		// Expecting to fail with `errVolumeNotFound`.
		{
			srcVol:      "src-vol-non-existent",
			destVol:     "dest-vol",
			srcPath:     "file4",
			destPath:    "new-path/",
			expectedErr: errVolumeNotFound,
		},
		// TestXLStorage case - 11.
		// TestXLStorage case with non-existent destination volume.
		// Expecting to fail with `errVolumeNotFound`.
		{
			srcVol:      "src-vol",

		}, index)
	}

	return g.Wait()
}

func isAllVolumeNotFound(errs []error) bool {
	return countErrs(errs, errVolumeNotFound) == len(errs)
}

// isAllNotFound will return if any element of the error slice is not
// errFileNotFound, errFileVersionNotFound or errVolumeNotFound.
// A 0 length slice will always return false.
func isAllNotFound(errs []error) bool {
	for _, err := range errs {
		if err != nil {

	} else {
		err = Remove(volumeDir)
	}

	if err != nil {
		switch {
		case errors.Is(err, errFileNotFound):
			return errVolumeNotFound
		case osIsNotExist(err):
			return errVolumeNotFound
		case isSysErrNotEmpty(err):
			return errVolumeNotEmpty
		case osIsPermission(err):
			return errDiskAccessDenied
		case isSysErrIO(err):
			return errFaultyDisk

			return BucketInfo{}, poolErr
		}
	}

	for i, err := range errs {
		if err == nil {
			return bucketInfos[i], nil
		}
	}

	return BucketInfo{}, toObjectErr(errVolumeNotFound, bucket)
}

func (client *remotePeerS3Client) ListBuckets(ctx context.Context, opts BucketOptions) ([]BucketInfo, error) {
	ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
	defer cancel()

	switch err {
	case nil:
		return checkPartSuccess
	case errFileNotFound, errFileVersionNotFound:
		return checkPartFileNotFound
	case errFileCorrupt:
		return checkPartFileCorrupt
	case errVolumeNotFound:
		return checkPartVolumeNotFound
	case errDiskNotFound:
		return checkPartDiskNotFound
	default:
		return checkPartUnknown
	}
}

func partNeedsHealing(partErrs []int) bool {

		return errFaultyRemoteDisk
	case errFileCorrupt.Error():
		return errFileCorrupt
	case errUnexpected.Error():
		return errUnexpected
	case errDiskFull.Error():
		return errDiskFull
	case errVolumeNotFound.Error():
		return errVolumeNotFound
	case errVolumeExists.Error():
		return errVolumeExists
	case errFileNotFound.Error():
		return errFileNotFound
	case errFileVersionNotFound.Error():
		return errFileVersionNotFound

			if serr != nil {
				if serr == errDiskNotFound {
					beforeState[index] = madmin.DriveStateOffline
					afterState[index] = madmin.DriveStateOffline
					return serr
				}
				if serr != errVolumeNotFound {
					beforeState[index] = madmin.DriveStateCorrupt
					afterState[index] = madmin.DriveStateCorrupt
					return serr
				}

				beforeState[index] = madmin.DriveStateMissing

var bucketOpIgnoredErrs = append(baseIgnoredErrs, errDiskAccessDenied, errUnformattedDisk)

// list all errors that can be ignored in a bucket metadata operation.
var bucketMetadataOpIgnoredErrs = append(bucketOpIgnoredErrs, errVolumeNotFound)

// OfflineDisk represents an unavailable disk.
var OfflineDisk StorageAPI // zero value is nil

// erasureObjects - Implements ER object layer.
type erasureObjects struct {
	setDriveCount      int

	uploadIDPath := er.getUploadIDDir(bucket, object, uploadID)
	// Validates if upload ID exists.
	fi, _, err := er.checkUploadIDExists(ctx, bucket, object, uploadID, true)
	if err != nil {
		if errors.Is(err, errVolumeNotFound) {
			return pi, toObjectErr(err, bucket)
		}
		return pi, toObjectErr(err, bucket, object, uploadID)
	}

	onlineDisks := er.getDisks()
	writeQuorum := fi.WriteQuorum(er.defaultWQuorum())