return "Storage reached its minimum free drive threshold."
}

// SlowDown  too many file descriptors open or backend busy .
type SlowDown struct{}

func (e SlowDown) Error() string {
	return "Please reduce your request rate"
}

// RQErrType reason for read quorum error.
type RQErrType int

const (
	// RQInsufficientOnlineDrives - not enough online drives.
	RQInsufficientOnlineDrives RQErrType = 1 << iota

		rootDiskSize = env.Get(config.EnvRootDiskThresholdSize, "")
	}
	if rootDiskSize != "" {
		size, err := humanize.ParseBytes(rootDiskSize)
		if err != nil {
			logger.Fatal(err, fmt.Sprintf("Invalid %s value in root drive threshold environment variable", rootDiskSize))
		}
		globalRootDiskThreshold = size
	}

	domains := env.Get(config.EnvDomain, "")
	if len(domains) != 0 {