[[1]] This is obvious, but the network/internet is unavailable.

  [[2]] Localhost (127.0.0.1) may also be unavailable if the whole
        network stack is offline.

  [[3]] "Remote" repositories referenced using the file:// protocol may
        be available. However, if that file:// url references a
        file-share, as in the case of an NFS or SMB mount, that will
        be unavailable.

	"strconv"
	"time"

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/kms"
)

const unavailable = "offline"

func checkHealth(w http.ResponseWriter) ObjectLayer {
	objLayer := newObjectLayerFn()
	if objLayer == nil {
		w.Header().Set(xhttp.MinIOServerStatus, unavailable)
		writeResponse(w, http.StatusServiceUnavailable, nil, mimeNone)
		return nil
	}

**Libtensorflow Windows GPU** | Status Temporarily Unavailable                             ...

     * Retrieves the file system path associated with a specific artifact.
     *
     * @param artifact The {@link Artifact} whose path is to be retrieved.
     * @return The {@link Path} to the artifact, or {@code null} if unavailable.
     */
    @Nullable
    Path getPath(@Nonnull Artifact artifact);

    /**
     * Returns a mapping of artifact coordinates to their corresponding resolution results.
     *

	}

	for _, signer := range hmacSigners {
		if string(alg) == signer.Name {
			return signer, nil
		}
	}

	return nil, jwtgo.NewValidationError(fmt.Sprintf("signing method (%s) is unavailable.", string(alg)),
		jwtgo.ValidationErrorUnverifiable)
}

// ParseWithClaims - parse the token string, valid methods.
func ParseWithClaims(tokenStr string, claims *MapClaims, fn func(*MapClaims) ([]byte, error)) error {

			listenErrCallback(srv.Addrs[i], listenErrs[i])
		} else {
			interfaceFound = true
		}
	}
	if !interfaceFound {
		return nil, errors.New("no available interface found")
	}

	// Wrap given handler to do additional
	// * return 503 (service unavailable) if the server in shutdown.
	wrappedHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		// If server is in shutdown.

             * sake of backward-compat with 2.x (MNG-5000). In general, it is wrong to
             * base URL inheritance on the module directory names as this information is unavailable for POMs in the
             * repository. In other words, modules where artifactId != moduleDirName will see different effective URLs
             * depending on how the model was constructed (from filesystem or from repository).

// list all errors that can be ignored in a bucket metadata operation.
var bucketMetadataOpIgnoredErrs = append(bucketOpIgnoredErrs, errVolumeNotFound)

// OfflineDisk represents an unavailable disk.
var OfflineDisk StorageAPI // zero value is nil

// erasureObjects - Implements ER object layer.
type erasureObjects struct {
	setDriveCount      int
	defaultParityCount int

	setIndex  int

						logger.Info("   - Drive: %s", disk.String())
					}
				})
				logger.Info(color.Yellow("WARNING:")+" Host %v has more than %v drives of set. "+
					"A host failure will result in data becoming unavailable.", host, wantAtMost)
			}
		}
	}

	// Save formats `format.json` across all disks.
	if err := saveFormatErasureAll(ctx, storageDisks, formats); err != nil {
		return nil, err
	}

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrBusy: {
		Code:           "ServerBusy",
		Description:    "The service is unavailable. Please retry.",
		HTTPStatusCode: http.StatusServiceUnavailable,
	},
	ErrUnauthorizedAccess: {
		Code:           "UnauthorizedAccess",
		Description:    "You are not authorized to perform this operation",