// Get credential information from the request.
		cred, owner, s3Err = getReqAccessKeyV4(r, region, serviceS3)
		if s3Err != ErrNone {
			return cred, owner, s3Err
		}

		// we only support V4 (no presign) with auth body
		s3Err = isReqAuthenticated(ctx, r, region, serviceS3)
	}
	if s3Err != ErrNone {
		return cred, owner, s3Err
	}

	logger.GetReqInfo(ctx).Cred = cred

				info.Name = devName
				qst, err := bfs.SysBlockDeviceQueueStats(devName)
				if err != nil { // Mostly not found error
					// Check if there is a parent device:
					//   e.g. if the mount is based on /dev/nvme0n1p1, let's calculate the
					//        real device name (nvme0n1) to get its sysfs information
					parentDevPath, e := os.Readlink("/sys/class/block/" + devName)
					if e == nil {

			return
		}
	case authTypePresigned, authTypeSigned:
		if s3Error = reqSignatureV4Verify(r, globalSite.Region, serviceS3); s3Error != ErrNone {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
			return
		}

		if !skipContentSha256Cksum(r) {
			sha256hex = getContentSha256Cksum(r, serviceS3)
		}
	}

	if err := enforceBucketQuotaHard(ctx, bucket, size); err != nil {

			return
		}

	case authTypePresigned, authTypeSigned:
		if s3Err = reqSignatureV4Verify(r, globalSite.Region, serviceS3); s3Err != ErrNone {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL)
			return
		}
		if !skipContentSha256Cksum(r) {
			sha256hex = getContentSha256Cksum(r, serviceS3)
		}
	}

	if _, ok := r.Header[xhttp.MinIOSourceReplicationCheck]; ok {

(or (eq .Values.service.type "ClusterIP" "") (empty .Values.service.type)) }} type: ClusterIP {{- if not (empty .Values.service.clusterIP) }} clusterIP: {{ .Values.service.clusterIP }} {{- end }} {{- else if eq .Values.service.type "LoadBalancer" }} type: {{ .Values.service.type }} loadBalancerIP: {{ default "" .Values.service.loadBalancerIP }} {{- else }} type: {{ .Values.service.type }} {{- end }} ports: - name: {{ $scheme }} port: {{ .Values.service.port }} protocol: TCP {{- if (and (eq .Values.service.type...

  failureThreshold: 3
```

## 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

		if scred.ParentUser != parentUser {
			return updatedAt, fmt.Errorf("%w: the service account access key is taken by another user", errIAMServiceAccountNotAllowed)
		}
		return updatedAt, fmt.Errorf("%w: the service account access key already taken", errIAMServiceAccountNotAllowed)
	}

	// Parent user must not be a service account.
	if u, found := cache.iamUsersMap[parentUser]; found && u.Credentials.IsServiceAccount() {

		config.HelpKV{
			Key:         SRVRecordName,
			Description: `DNS SRV record name for LDAP service, if given, must be one of "ldap", "ldaps" or "on"` + defaultHelpPostfix(SRVRecordName),
			Optional:    true,
			Type:        "string",
			Sensitive:   false,
		},
		config.HelpKV{
			Key:         LookupBindDN,
			Description: `DN for LDAP read-only service account used to perform DN and group lookups` + defaultHelpPostfix(LookupBindDN),

(or (eq .Values.service.type "ClusterIP" "") (empty .Values.service.type)) }} type: ClusterIP {{- if not (empty .Values.service.clusterIP) }} clusterIP: {{ .Values.service.clusterIP }} {{- end }} {{- else if eq .Values.service.type "LoadBalancer" }} type: {{ .Values.service.type }} loadBalancerIP: {{ default "" .Values.service.loadBalancerIP }} {{- else }} type: {{ .Values.service.type }} {{- end }} ports: - name: {{ $scheme }} port: {{ .Values.service.port }} protocol: TCP {{- if (and (eq .Values.service.type...

(or (eq .Values.service.type "ClusterIP" "") (empty .Values.service.type)) }} type: ClusterIP {{- if not (empty .Values.service.clusterIP) }} clusterIP: {{ .Values.service.clusterIP }} {{- end }} {{- else if eq .Values.service.type "LoadBalancer" }} type: {{ .Values.service.type }} loadBalancerIP: {{ default "" .Values.service.loadBalancerIP }} {{- else }} type: {{ .Values.service.type }} {{- end }} ports: - name: {{ $scheme }} port: {{ .Values.service.port }} protocol: TCP {{- if (and (eq .Values.service.type...