return nil, err
	}
	var h healingTracker
	_, err = h.UnmarshalMsg(b)
	if err != nil {
		return nil, err
	}
	if h.ID != diskID && h.ID != "" {
		return nil, fmt.Errorf("loadHealingTracker: drive id mismatch expected %s, got %s", h.ID, diskID)
	}
	h.disk = disk
	h.ID = diskID
	h.mu = &sync.RWMutex{}
	return &h, nil
}

// newHealingTracker will create a new healing tracker for the disk.

	// Prefer lower types
	if x.Type != o.Type {
		return x.Type < o.Type
	}
	// Consistent sort on signature
	if v := bytes.Compare(x.Signature[:], o.Signature[:]); v != 0 {
		return v > 0
	}
	// On ID mismatch
	if v := bytes.Compare(x.VersionID[:], o.VersionID[:]); v != 0 {
		return v > 0
	}
	// Flags
	if x.Flags != o.Flags {
		return x.Flags > o.Flags
	}
	return false
}

		{bucketName: bucket, objName: "none-object", uploadID: uploadID, PartID: 1, expectedError: fmt.Errorf("%s", "Invalid upload id "+uploadID)},
		// Test case - 12.
		// Input to replicate Md5 mismatch.
		{
			bucketName: bucket, objName: object, uploadID: uploadID, PartID: 1, inputMd5: "d41d8cd98f00b204e9800998ecf8427f",

			return true
		}
		if checkCopyObjectPartPreconditions(ctx, w, r, o) {
			return true
		}
		if parseRangeErr != nil {
			writeCopyPartErr(ctx, w, parseRangeErr, r.URL)
			// Range header mismatch is pre-condition like failure
			// so return true to indicate Range precondition failed.
			return true
		}
		return false
	}
	getOpts.CheckPrecondFn = checkCopyPartPrecondFn

			t.Errorf("Drive erroneously filtered, driveIndex: %d", diskIndex)
		}
	}
	partsMetadata[1] = partsMetadataBackup // Revert before going to the next test

	// Test 4: key = disk index, value = part name with hash mismatch
	diskFailures := make(map[int]string)
	diskFailures[0] = "part.1"
	diskFailures[3] = "part.1"
	diskFailures[15] = "part.1"

	for diskIndex, partName := range diskFailures {

		// Valid object and bucket names but non-existent bucket.
		5: {bucketName: "abc", objName: "def", inputData: []byte(""), expectedError: BucketNotFound{Bucket: "abc"}},

		// Input to replicate Md5 mismatch.
		6: {
			bucketName: bucket, objName: object, inputData: []byte(""),
			inputMeta:     map[string]string{"etag": "d41d8cd98f00b204e9800998ecf8427f"},

func (e metaCacheEntry) hasPrefix(s string) bool {
	return strings.HasPrefix(e.name, s)
}

// matches returns if the entries have the same versions.
// If strict is false we allow signatures to mismatch.
func (e *metaCacheEntry) matches(other *metaCacheEntry, strict bool) (prefer *metaCacheEntry, matches bool) {
	if e == nil && other == nil {
		return nil, true
	}
	if e == nil {
		return other, false
	}

		Cause: err,
		Code:  ErrSiteReplicationConfigMissing,
	}
}

func errSRIAMConfigMismatch(peer1, peer2 string, s1, s2 madmin.IDPSettings) SRError {
	return SRError{
		Cause: fmt.Errorf("IAM/IDP settings mismatch between %s and %s: %#v vs %#v", peer1, peer2, s1, s2),
		Code:  ErrSiteReplicationIAMConfigMismatch,
	}
}

var errSRObjectLayerNotReady = SRError{
	Cause: fmt.Errorf("object layer not ready"),

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrSiteReplicationIAMConfigMismatch: {
		Code:           "XMinioSiteReplicationIAMConfigMismatch",
		Description:    "IAM configuration mismatch between sites",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrAdminRebalanceAlreadyStarted: {
		Code:           "XMinioAdminRebalanceAlreadyStarted",
		Description:    "Pool rebalance is already started",

			rd, err := f.Open()
			if err != nil {
				t.Fatal(err)
			}
			defer rd.Close()

			_, err = io.Copy(io.Discard, rd)
			if err != ErrFormat {
				t.Fatalf("Error mismatch\n\tGot:  %v\n\tWant: %v", err, ErrFormat)
			}
		})
	}
}

func TestIssue54801(t *testing.T) {
	for _, input := range []string{"testdata/readme.zip", "testdata/dd.zip"} {