if err != nil {
		return x, buf, err
	}
	if x.headerVer > xlHeaderVersion {
		return x, buf, fmt.Errorf("decodeXLHeaders: Unknown xl header version %d", x.headerVer)
	}
	if x.metaVer > xlMetaVersion {
		return x, buf, fmt.Errorf("decodeXLHeaders: Unknown xl meta version %d", x.metaVer)
	}
	x.versions, buf, err = msgp.ReadIntBytes(buf)
	if err != nil {
		return x, buf, err
	}
	if x.versions < 0 {

	if len(nfields) != 2 {
		err = fmt.Errorf("Unknown release information `%s`", releaseInfo)
		return releaseTime, err
	}
	if nfields[0] != "minio" {
		err = fmt.Errorf("Unknown release `%s`", releaseInfo)
		return releaseTime, err
	}

	releaseTime, err = releaseTagToReleaseTime(nfields[1])
	if err != nil {
		err = fmt.Errorf("Unknown release tag format. %w", err)
	}
	return releaseTime, err
}

// It does not check integrity of the stored data.
func (x xlMetaInlineData) validate() error {
	if len(x) == 0 {
		return nil
	}

	if !x.versionOK() {
		return fmt.Errorf("xlMetaInlineData: unknown version 0x%x", x[0])
	}

	sz, buf, err := msgp.ReadMapHeaderBytes(x.afterVersion())
	if err != nil {
		return fmt.Errorf("xlMetaInlineData: %w", err)
	}

	for i := uint32(0); i < sz; i++ {
		var key []byte

	if err != nil {
		return err
	}
	if dest.StorageClass != "" {
		switch dest.StorageClass {
		case "STANDARD", "REDUCED_REDUNDANCY":
		default:
			return fmt.Errorf("unknown storage class %s", dest.StorageClass)
		}
	}
	parsedDest.StorageClass = dest.StorageClass
	*d = parsedDest
	return nil
}

// Validate - validates Resource is for given bucket or not.

	switch s3Select.Output.format {
	case csvFormat:
		return csv.NewRecord()
	case jsonFormat:
		return json.NewRecord(sql.SelectFmtJSON)
	}

	panic(fmt.Errorf("unknown output format '%v'", s3Select.Output.format))
}

func (s3Select *S3Select) getProgress() (bytesScanned, bytesProcessed int64) {
	if s3Select.progressReader != nil {
		return s3Select.progressReader.Stats()
	}

	switch binary.LittleEndian.Uint16(data[0:2]) {
	case rebalMetaFmt:
	default:
		return fmt.Errorf("rebalanceMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case rebalMetaVer:
	default:
		return fmt.Errorf("rebalanceMeta: unknown version: %d", binary.LittleEndian.Uint16(data[2:4]))
	}

	// OK, parse data.

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package grid

import (
	"errors"
	"fmt"
)

var (
	// ErrUnknownHandler is returned when an unknown handler is requested.
	ErrUnknownHandler = errors.New("unknown mux handler")

	// ErrHandlerAlreadyExists is returned when a handler is already registered.
	ErrHandlerAlreadyExists = errors.New("mux handler already exists")

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidMetadataDirective: {
		Code:           "InvalidArgument",
		Description:    "Unknown metadata directive.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidStorageClass: {
		Code:           "InvalidStorageClass",
		Description:    "Invalid storage class.",

	// If all pools reach this, we will use all pools with regular placement.
	diskReserveFraction = 0.15

	// diskAssumeUnknownSize is the size to assume when an unknown size upload is requested.
	diskAssumeUnknownSize = 1 << 30

	// diskMinInodes is the minimum number of inodes we want free on a disk to perform writes.
	diskMinInodes = 1000

)

func (t RQErrType) String() string {
	switch t {
	case RQInsufficientOnlineDrives:
		return "InsufficientOnlineDrives"
	case RQInconsistentMeta:
		return "InconsistentMeta"
	default:
		return "Unknown"
	}
}

// InsufficientReadQuorum storage cannot satisfy quorum for read operation.
type InsufficientReadQuorum struct {
	Bucket string
	Object string
	Err    error
	Type   RQErrType
}