nil, nil, nil, nil, nil, nil, nil, nil,
				nil, nil, nil, nil, nil,
				// Some disks don't have xl.meta.
				errDiskNotFound, errFileNotFound, errFileNotFound,
			},
			_tamperBackend: corruptPart,
		},
	}

	bucket := "bucket"
	err = obj.MakeBucket(ctx, "bucket", MakeBucketOptions{})
	if err != nil {
		t.Fatalf("Failed to make a bucket %v", err)
	}

	object := "object"

		apiErr := MethodNotAllowed{}
		if len(params) >= 1 {
			apiErr.Bucket = params[0]
		}
		if len(params) >= 2 {
			apiErr.Object = decodeDirObject(params[1])
		}
		return apiErr
	case errFileNotFound.Error():
		apiErr := ObjectNotFound{}
		if len(params) >= 1 {
			apiErr.Bucket = params[0]
		}
		if len(params) >= 2 {
			apiErr.Object = decodeDirObject(params[1])
		}
		return apiErr

// This should not be called on directories.
func (e *metaCacheEntry) xlmeta() (*xlMetaV2, error) {
	if e.isDir() {
		return nil, errFileNotFound
	}
	if e.cached == nil {
		if len(e.metadata) == 0 {
			// only happens if the entry is not found.
			return nil, errFileNotFound
		}
		var xl xlMetaV2
		err := xl.LoadOrConvert(e.metadata)
		if err != nil {
			return nil, err
		}
		e.cached = &xl
	}

		return nil, err
	}

	tmpOld := pathJoin(export, minioMetaTmpDeletedBucket, mustGetUUID())
	if err := renameAll(pathJoin(export, minioMetaMultipartBucket),
		tmpOld, export); err != nil && err != errFileNotFound {
		bootLogIf(GlobalContext, fmt.Errorf("unable to rename (%s -> %s) %w, drive may be faulty please investigate",
			pathJoin(export, minioMetaMultipartBucket),
			tmpOld,
			osErrToFileErr(err)))
	}

	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
	case errFileNameTooLong.Error():
		return errFileNameTooLong
	case errFileAccessDenied.Error():

			if err := renameAll(pathJoin(epPath, minioMetaBucket, metacachePrefixForID(name, slashSeparator)),
				tmpMetacacheOld, epPath); err != nil && err != errFileNotFound {
				return fmt.Errorf("unable to rename (%s -> %s) %w",
					pathJoin(epPath, minioMetaBucket+metacachePrefixForID(minioMetaBucket, slashSeparator)),
					tmpMetacacheOld,
					osErrToFileErr(err))
			}
		}

	closed
)

// NetworkError - error type in case of errors related to http/transport
// for ex. connection refused, connection reset, dns resolution failure etc.
// All errors returned by storage-rest-server (ex errFileNotFound, errDiskNotFound) are not considered to be network errors.
type NetworkError struct {
	Err error
}

func (n *NetworkError) Error() string {
	return n.Err.Error()
}

			metaArr: []FileInfo{
				{},
				{},
				{},
				fi,
			},
			errs: []error{
				errFileNotFound,
				errFileNotFound,
				nil,
				nil,
			},
			dataErrs: []error{
				errFileNotFound,
				errFileNotFound,
				nil,
				errFileNotFound,
			},
			expectedMeta:     fi,
			expectedDangling: true,
		},
		// Add new cases as seen
	}
	for _, testCase := range testCases {

		}
		if err != nil {
			// Folder could have gone away in-between
			if err != errVolumeNotFound && err != errFileNotFound {
				internalLogOnceIf(ctx, err, "metacache-walk-scan-dir")
			}
			if opts.ReportNotFound && err == errFileNotFound && current == opts.BaseDir {
				err = errFileNotFound
			} else {
				err = nil
			}
			diskHealthCheckOK(ctx, err)
			return err
		}
		diskHealthCheckOK(ctx, err)

			driveState = madmin.DriveStateOk
		case errs[i] == errDiskNotFound, dataErrs[i] == errDiskNotFound:
			driveState = madmin.DriveStateOffline
		case errs[i] == errFileNotFound, errs[i] == errFileVersionNotFound, errs[i] == errVolumeNotFound:
			fallthrough
		case dataErrs[i] == errFileNotFound, dataErrs[i] == errFileVersionNotFound, dataErrs[i] == errVolumeNotFound:
			driveState = madmin.DriveStateMissing
		default: