Krishnan Parthasarathi <******@****.***> 1725619883 -0700

	return 0, 0, InvalidRange{}
}

func findFileInfoInQuorum(ctx context.Context, metaArr []FileInfo, modTime time.Time, etag string, quorum int) (FileInfo, error) {
	// with less quorum return error.
	if quorum < 1 {
		return FileInfo{}, InsufficientReadQuorum{Err: errErasureReadQuorum, Type: RQInsufficientOnlineDrives}
	}
	metaHashes := make([]string, len(metaArr))
	h := sha256.New()

	wResources := make([]string, 1000)
	rResources := make([]string, 1000)
	quorum := 0
	l := newLocker()
	ctx := context.Background()
	for i := range wResources {
		arg := dsync.LockArgs{
			UID:       mustGetUUID(),
			Resources: []string{mustGetUUID()},
			Source:    t.Name(),
			Owner:     "owner",
			Quorum:    &quorum,
		}
		ok, err := l.Lock(ctx, arg)
		if err != nil {
			t.Fatal(err)
		}

	tolerance := len(restClnts) / 2

	// Quorum is effectively = total clients subtracted with tolerance limit
	quorum := len(restClnts) - tolerance
	if !isReadLock {
		// In situations for write locks, as a special case
		// to avoid split brains we make sure to acquire
		// quorum + 1 when tolerance is exactly half of the
		// total locker clients.
		if quorum == tolerance {
			quorum++
		}
	}

// occurs >= quorum, else return timeSentinel
func commonTime(modTimes []time.Time, quorum int) time.Time {
	if modTime, count := commonTimeAndOccurrence(modTimes, 0); count >= quorum {
		return modTime
	}

	return timeSentinel
}

func commonETag(etags []string, quorum int) string {
	if etag, count := commonETags(etags); count >= quorum {
		return etag
	}
	return ""
}

## 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

// GetValueWithQuorum returns the first key which occurs >= quorum number of times.
func (c counterMap[T]) GetValueWithQuorum(quorum int) (T, bool) {
	var zero T
	for x, count := range c {
		if count >= quorum {
			return x, true
		}
	}
	return zero, false
}

// figure out the most commonVersions across disk that satisfies
// the 'writeQuorum' this function returns "" if quorum cannot

				return
			}
		case "Quorum":
			if dc.IsNil() {
				err = dc.ReadNil()
				if err != nil {
					err = msgp.WrapError(err, "Quorum")
					return
				}
				z.Quorum = nil
			} else {
				if z.Quorum == nil {
					z.Quorum = new(int)
				}
				*z.Quorum, err = dc.ReadInt()
				if err != nil {
					err = msgp.WrapError(err, "Quorum")
					return
				}
			}
		default:

				return
			}
		case "Owner":
			z.Owner, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Owner")
				return
			}
		case "Quorum":
			z.Quorum, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "Quorum")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	return
}

		for i, client := range sys.peerClients {
			if slices.Contains(client.GetPools(), poolIdx) {
				perPoolErrs = append(perPoolErrs, errs[i])
			}
		}
		quorum := len(perPoolErrs) / 2
		poolErrs = append(poolErrs, reduceWriteQuorumErrs(ctx, perPoolErrs, bucketOpIgnoredErrs, quorum))
	}

	if !opts.Recreate {
		// when there is no force recreate look for pool
		// errors to recreate the bucket on all pools.