capacity := GetTotalUsableCapacityFree(storageInfo.Disks, storageInfo)

	if capacity < capacityNeeded {
		return false, false, fmt.Sprintf("not enough usable space available to perform speedtest - expected %s, got %s",
			humanize.IBytes(capacityNeeded), humanize.IBytes(capacity))
	}

	// Verify if we can employ autotune without running out of capacity,
	// if we do run out of capacity, make sure to turn-off autotuning

	for id, rl := range rMap {
		if !rl.Expiration.IsNull() || !rl.NoncurrentVersionExpiration.IsNull() {
			if _, ok := newRMap[id]; !ok {
				// if rule getting removed was pure expiry rule (may be got to this site
				// as part of replication of expiry rules), remove it. Otherwise remove
				// only the expiry part of it
				if rl.Transition.IsNull() && rl.NoncurrentVersionTransition.IsNull() {
					delete(rMap, id)

    *   Add userspace DNS caching for the GCS client.
    *   Customize request timeouts for the GCS filesystem.
    *   Improve GCS filesystem caching.
*   Bug Fixes:
    *   Fix bug where partitioned integer variables got their wrong shapes.
        Before
    *   Fix correctness bug in CPU and GPU implementations of Adadelta.
    *   Fix a bug in `import_meta_graph`'s handling of partitioned variables