## Cluster probe

### Cluster-writeable probe

The reply is '200 OK' if cluster has write quorum if not it returns '503 Service Unavailable'.

```
curl http://minio1:9001/minio/health/cluster
HTTP/1.1 503 Service Unavailable
Accept-Ranges: bytes
Content-Length: 0
Server: MinIO
Vary: Origin
X-Amz-Bucket-Region: us-east-1
X-Minio-Write-Quorum: 3
X-Amz-Request-Id: 16239D6AB80EBECF
X-Xss-Protection: 1; mode=block

 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.fscc;

import java.util.Date;

import jcifs.internal.SMBProtocolDecodingException;

// executes at least one write operation if it is closed.
//
// This can be useful within the context of HTTP. At least
// one write operation must happen to send the HTTP headers
// to the peer.
type WriteOnCloser struct {
	io.Writer
	hasWritten bool
}

func (w *WriteOnCloser) Write(p []byte) (int, error) {
	w.hasWritten = true
	return w.Writer.Write(p)
}

func (z AccElem) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 3
	// write "Total"
	err = en.Append(0x83, 0xa5, 0x54, 0x6f, 0x74, 0x61, 0x6c)
	if err != nil {
		return
	}
	err = en.WriteInt64(z.Total)
	if err != nil {
		err = msgp.WrapError(err, "Total")
		return
	}
	// write "Size"
	err = en.Append(0xa4, 0x53, 0x69, 0x7a, 0x65)
	if err != nil {
		return
	}

		return "", "", false
	}
	return name[:i], name[i+1:], true
}

// Write writes to the current file in the tar archive.
// Write returns the error [ErrWriteTooLong] if more than
// Header.Size bytes are written after [Writer.WriteHeader].
//
// Calling Write on special types like [TypeLink], [TypeSymlink], [TypeChar],

	err = en.Append(0xa3, 0x66, 0x6c, 0x64)
	if err != nil {
		return
	}
	err = en.WriteBool(z.Failed)
	if err != nil {
		err = msgp.WrapError(err, "Failed")
		return
	}
	// write "lbkt"
	err = en.Append(0xa4, 0x6c, 0x62, 0x6b, 0x74)
	if err != nil {
		return
	}
	err = en.WriteString(z.Bucket)
	if err != nil {
		err = msgp.WrapError(err, "Bucket")
		return
	}
	// write "lobj"

        doNothing().when(raf).write(any(byte[].class), anyInt(), anyInt());
        doNothing().when(raf).writeShort(anyInt());

        raf.writeUTF("é"); // 2-byte UTF-8 char

        // size prefix should be 2, and then write called with len=2
        verify(raf).writeShort(eq(2));
        verify(raf).write(any(byte[].class), eq(0), eq(2));
    }

    @Test
    @DisplayName("write(byte[],off,0): returns without I/O")

    /**
     * Local read access to the memory region
     */
    LOCAL_READ,

    /**
     * Local write access to the memory region
     */
    LOCAL_WRITE,

    /**
     * Remote read access to the memory region
     */
    REMOTE_READ,

    /**
     * Remote write access to the memory region
     */
    REMOTE_WRITE,

    /**
     * Memory bind access for advanced operations
     */

    }

    @Override
    public void rdmaWrite(RdmaMemoryRegion localRegion, long remoteAddress, int remoteKey, int length) throws IOException {
        // TCP fallback doesn't support real RDMA write
        throw new UnsupportedOperationException("RDMA write not supported by TCP fallback");
    }

    @Override
    public RdmaNegotiateResponse negotiate(RdmaNegotiateRequest request) throws IOException {

  public void testWriteString() throws IOException {
    File temp = createTempFile();
    Files.write(I18N, temp, UTF_16LE);
    assertEquals(I18N, Files.toString(temp, UTF_16LE));
  }

  public void testWriteBytes() throws IOException {
    File temp = createTempFile();
    byte[] data = newPreFilledByteArray(2000);
    Files.write(data, temp);
    assertThat(Files.toByteArray(temp)).isEqualTo(data);