func makeFormatErasureMetaVolumes(disk StorageAPI) error {
	if disk == nil {
		return errDiskNotFound
	}
	volumes := []string{
		minioMetaTmpDeletedBucket, // creates .minio.sys/tmp as well as .minio.sys/tmp/.trash
		minioMetaMultipartBucket,  // creates .minio.sys/multipart
		dataUsageBucket,           // creates .minio.sys/buckets
		minioConfigBucket,         // creates .minio.sys/config
	}

	// MinIO tmp meta prefix.
	minioMetaTmpBucket = minioMetaBucket + "/tmp"
	// MinIO tmp meta prefix for deleted objects.
	minioMetaTmpDeletedBucket = minioMetaTmpBucket + "/.trash"

	// DNS separator (period), used for bucket name validation.
	dnsDelimiter = "."
	// On compressed files bigger than this;
	compReadAheadSize = 100 << 20
	// Read this many buffers ahead.
	compReadAheadBuffers = 5

	// Start the disk monitoring and connect routine.
	if !globalIsTesting {
		go s.monitorAndConnectEndpoints(ctx, defaultMonitorConnectEndpointInterval)
	}

	return s, nil
}

// cleanup ".trash/" folder every 5m minutes with sufficient sleep cycles, between each
// deletes a dynamic sleeper is used with a factor of 10 ratio with max delay between
// deletes to be 2 seconds.

	healEntry := func(bucket string, entry metaCacheEntry, scanMode madmin.HealScanMode) error {
		if entry.isDir() {
			return nil
		}
		// We might land at .metacache, .trash, .multipart
		// no need to heal them skip, only when bucket
		// is '.minio.sys'
		if bucket == minioMetaBucket {
			if wildcard.Match("buckets/*/.metacache/*", entry.name) {
				return nil
			}