if ws := env.Get(EnvDriveWorkers, kvs.GetWithDefault(DriveWorkers, DefaultKVS)); ws != "" {
		w, err := strconv.Atoi(ws)
		if err != nil {
			return cfg, fmt.Errorf("'heal:drive_workers' value invalid: %w", err)
		}
		if w < 1 {
			return cfg, fmt.Errorf("'heal:drive_workers' value invalid: zero or negative integer unsupported")
		}
		cfg.DriveWorkers = w
	} else {
		cfg.DriveWorkers = -1
	}

	return cfg, nil

```
~ mc admin config set alias/ heal
KEY:
heal  manage object healing frequency and bitrot verification checks

ARGS:

e":""},{"key":"coredns_path","value":"/skydns"},{"key":"client_cert","value":""},{"key":"client_cert_key","value":""}]},"heal":{"_":[{"key":"bitrotscan","value":"off"},{"key":"max_sleep","value":"250ms"},{"key":"max_io","value":"100"},{"key":"drive_workers","value":""}]},"identity_ldap":{"_":[{"key":"enable","value":""},{"key":"server_addr","value":""},{"key":"srv_record_name","value":""},{"key":"user_dn_search_base_dn","value":""},{"key":"use multisitea/data/disterasure/xl7/.minio.sys/pool.bin/xl.meta...

			Optional:    true,
			Type:        "int",
		},
		config.HelpKV{
			Key:         DriveWorkers,
			Description: `the number of workers per drive to heal a new disk replacement` + defaultHelpPostfix(DriveWorkers),
			Optional:    true,
			Type:        "int",
		},
	}