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
Date: Tue, 21 Jul 2020 00:36:14 GMT
```

### Cluster-readable probe

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

```
curl http://minio1:9001/minio/health/cluster/read

            <td>Sun Jul 05 13:18:45 UTC 2015</td>
            <td align="right">
                              &nbsp;
                          </td>
            <td></td>
          </tr>
                  <tr>
            <td><a href="https://oss.sonatype.org/content/repositories/snapshots/org/codelibs/fess/fess-db-mysql/">fess-db-mysql/</a></td>
            <td>Sun Jul 05 13:21:09 UTC 2015</td>

        Version: 3 (0x2)
        Serial Number:
            35:ac:60:46:ad:8d:de:18:dc:0b:f6:98:14:ee:89:e8
        Signature Algorithm: ED25519
        Issuer: CN = consoleAdmin
        Validity
            Not Before: Jul 19 15:08:44 2021 GMT
            Not After : Aug 18 15:08:44 2021 GMT
        Subject: CN = consoleAdmin
        Subject Public Key Info:
            Public Key Algorithm: ED25519
                ED25519 Public-Key:

          .apply {
            isAccessible = true
          }.get(this) as? SecretKey

    val randomRegex = "\"random\"\\s+:\\s+\"([^\"]+)\"".toRegex()

    fun register() {
      // Enable JUL logging for SSL events, must be activated early or via -D option.
      System.setProperty("javax.net.debug", "")
      logger =
        Logger
          .getLogger("javax.net.ssl")
          .apply {

- **Logging Abstraction** (`org.codelibs.core.log`) - Flexible logging system supporting JCL (Jakarta Commons Logging) and JUL (Java Util Logging)
- **Concurrent Utilities** (`org.codelibs.core.concurrent`) - Thread-safe collections and concurrency helpers using modern concurrent APIs

jvm.crawler.options=\
-Djava.awt.headless=true\n\
-Dfile.encoding=UTF-8\n\
-Djna.nosys=true\n\
-Djdk.io.permissionsUseCanonicalPath=true\n\
-Dhttp.maxConnections=20\n\
-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager\n\
-server\n\
-Xms128m\n\
-Xmx512m\n\
-XX:MaxMetaspaceSize=128m\n\
-XX:CompressedClassSpaceSize=32m\n\
-XX:-UseGCOverheadLimit\n\
-XX:+UseTLAB\n\
-XX:+DisableExplicitGC\n\

  }

  @Suppress("NAME_SHADOWING")
  companion object {
    private val YEAR_PATTERN = Pattern.compile("(\\d{2,4})[^\\d]*")
    private val MONTH_PATTERN =
      Pattern.compile("(?i)(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec).*")
    private val DAY_OF_MONTH_PATTERN = Pattern.compile("(\\d{1,2})[^\\d]*")
    private val TIME_PATTERN = Pattern.compile("(\\d{1,2}):(\\d{1,2}):(\\d{1,2})[^\\d]*")

    private fun domainMatch(

_ago._sep._oct._nov._dic.".split("_"),Cs="ene_feb_mar_abr_may_jun_jul_ago_sep_oct_nov_dic".split("_"),Is=[/^ene/i,/^feb/i,/^mar/i,/^abr/i,/^may/i,/^jun/i,/^jul/i,/^ago/i,/^sep/i,/^oct/i,/^nov/i,/^dic/i],Us=/^(enero|febrero|marzo|abril|mayo|junio|julio|agosto|septiembre|octubre|noviembre|diciembre|ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i;M.defineLocale("es-do",{months:"enero_febrero_marzo_abril_mayo_junio_julio_agosto_septiembre_octubre_noviembre_dici...

     * -Dfile.encoding=UTF-8<br>
     * -Djna.nosys=true<br>
     * -Djdk.io.permissionsUseCanonicalPath=true<br>
     * -Dhttp.maxConnections=20<br>
     * -Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager<br>
     * -server<br>
     * -Xms128m<br>
     * -Xmx512m<br>
     * -XX:MaxMetaspaceSize=128m<br>
     * -XX:CompressedClassSpaceSize=32m<br>
     * -XX:-UseGCOverheadLimit<br>
     * -XX:+UseTLAB<br>

			<artifactId>log4j-slf4j-impl</artifactId>
			<version>${log4j.version}</version>
		</dependency>
		<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-jul</artifactId>
			<version>${log4j.version}</version>
		</dependency>
		<dependency>
			<groupId>co.elastic.logging</groupId>
			<artifactId>log4j2-ecs-layout</artifactId>