configMutex.RLock()
	defer configMutex.RUnlock()
	return opts.DriveWorkers
}

// Update updates opts with nopts
func (opts *Config) Update(nopts Config) {
	configMutex.Lock()
	defer configMutex.Unlock()

	opts.Bitrot = nopts.Bitrot
	opts.IOCount = nopts.IOCount
	opts.Sleep = nopts.Sleep
	opts.DriveWorkers = nopts.DriveWorkers

	opts.cache.bitrotCycle, _ = parseBitrotConfig(nopts.Bitrot)
}

```
~ 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",
		},
	}