### Additional notes

Tiering and lifecycle transition are applicable only to erasure/distributed MinIO.

## Explore Further

- [MinIO | Golang Client API Reference](https://docs.min.io/community/minio-object-store/developers/go/API.html#SetBucketLifecycle)

	IdleMode int32 // 0 => on, 1 => off

	// Alert upon this many excess object versions
	ExcessVersions int64 // 100

	// Alert upon this many excess sub-folders per folder in an erasure set.
	ExcessFolders int64 // 50000

	// MaxWait is maximum wait time between operations
	MaxWait time.Duration
	// Cycle is the time.Duration between each scanner cycles
	Cycle time.Duration
}

	DeletePrefix                        bool      // set true to enforce a prefix deletion, only application for DeleteObject API,
	DeletePrefixObject                  bool      // set true when object's erasure set is resolvable by object name (using getHashedSetIndex)

	Speedtest bool // object call specifically meant for SpeedTest code, set to 'true' when invoked by SpeedtestHandler.

mc: Health data saved to dc-11-health_20200321053323.json.gz
```

The gzipped output contains debugging information for your system

## Decoding Metadata

Metadata is stored in `xl.meta` files for erasure coded objects. Each disk in the set containing the object has this file. The file format is a binary format and therefore requires tools to view values.

### Installing xl-meta

			t.Fatalf("Test %d: expected %v but got %v for %v", i+1, tc.ondisk, actual, tc.meta)
		}
	}
}

func TestObjectIsRemote(t *testing.T) {
	fi := newFileInfo("object", 8, 8)
	fi.Erasure.Index = 1
	if !fi.IsValid() {
		t.Fatalf("unable to get xl meta")
	}

	testCases := []struct {
		meta   map[string]string
		remote bool
	}{
		{
			// restore in progress

	}
}

var healSleeper = newDynamicSleeper(5, time.Second, false)

// healRoutine listens to new disks reconnection events and
// issues healing requests for queued objects belonging to the
// corresponding erasure set
func (m *mrfState) healRoutine(z *erasureServerPools) {
	for {
		select {
		case <-GlobalContext.Done():
			return
		case u, ok := <-m.opCh:
			if !ok {
				return
			}

	clusterUsageObjectsCollectorPath collectorPath = "/cluster/usage/objects"
	clusterUsageBucketsCollectorPath collectorPath = "/cluster/usage/buckets"
	clusterErasureSetCollectorPath   collectorPath = "/cluster/erasure-set"
	clusterIAMCollectorPath          collectorPath = "/cluster/iam"
	clusterConfigCollectorPath       collectorPath = "/cluster/config"

	ilmCollectorPath           collectorPath = "/ilm"

		expectedEndpoints  Endpoints
		expectedSetupType  SetupType
		expectedErr        error
	}{
		{"localhost", []string{}, "", Endpoints{}, -1, fmt.Errorf("address localhost: missing port in address")},

		// Erasure Single Drive
		{"localhost:9000", []string{"http://localhost/d1"}, "", Endpoints{}, -1, fmt.Errorf("use path style endpoint for SD setup")},

		var hint string
		if endpoint.URL != nil {
			hint = fmt.Sprintf("Drive '%s' does not support O_DIRECT flags, MinIO erasure coding requires filesystems with O_DIRECT support", endpoint.Path)
		} else {
			hint = "Drives do not support O_DIRECT flags, MinIO erasure coding requires filesystems with O_DIRECT support"
		}
		logger.Fatal(config.ErrUnsupportedBackend(err).Hint("%s", hint), "Unable to initialize backend")

verify-healing: install-race ## verify healing and replacing disks with minio binary
	@echo "Verify healing build with race"
	@(env bash $(PWD)/buildscripts/verify-healing.sh)
	@(env bash $(PWD)/buildscripts/verify-healing-empty-erasure-set.sh)
	@(env bash $(PWD)/buildscripts/heal-inconsistent-versions.sh)

verify-healing-with-root-disks: install-race ## verify healing root disks
	@echo "Verify healing with root drives"