return errUnsupportedDisk
	}

	// We know XFS already supports O_DIRECT no need to check.
	if fsType == "XFS" {
		return nil
	}

	// For all other FS pay the price of not using our recommended filesystem.

	// Check if backend is writable and supports O_DIRECT
	uuid := mustGetUUID()
	filePath := pathJoin(s.drivePath, minioMetaTmpDeletedBucket, ".writable-check-"+uuid+".tmp")

	if err != nil {
		iamLogIf(ctx, fmt.Errorf("Unable to initialize X.509/TLS STS API: %w", err), logger.WarningKind)
	}

	if stsTLSConfig.InsecureSkipVerify {
		iamLogIf(ctx, fmt.Errorf("Enabling %s is not recommended in a production environment", xtls.EnvIdentityTLSSkipVerify), logger.WarningKind)
	}

	authNPluginCfg, err := idplugin.LookupConfig(s[config.IdentityPluginSubSys][config.Default],

	if currBuckets := globalBucketMetadataSys.Count(); currBuckets+1 > maxBuckets {
		internalLogIf(ctx, fmt.Errorf("Please avoid creating more buckets %d beyond recommended %d", currBuckets+1, maxBuckets), logger.WarningKind)
	}

	opts := MakeBucketOptions{
		LockEnabled: objectLockEnabled,
		ForceCreate: forceCreate,
	}

	if globalDNSConfig != nil {

	for i := 0; i < 100; i++ {
		// Obtain a buffer to append to.
		b := w.AvailableBuffer()
		if w.Available() != cap(b) {
			t.Fatalf("Available() = %v, want %v", w.Available(), cap(b))
		}

		// While not recommended, it is valid to append to a shifted buffer.
		// This forces Write to copy the input.
		if rn.Intn(8) == 0 && cap(b) > 0 {
			b = b[1:1:cap(b)]
		}

		// Append a random integer of varying width.

			fmt.Fprintf(writer, "   WARNING: User ID (UID) 1337 is reserved for the sidecar proxy.\n")
		}
	}

	// https://istio.io/docs/setup/kubernetes/additional-setup/requirements/
	// says "We recommend adding an explicit app label and version label to deployments."
	if !labels.HasCanonicalServiceName(pod.Labels) {
		fmt.Fprintf(writer, "Suggestion: add required service name label for Istio telemetry. "+