我已经安装了一个dcos集群，下面的链接提供了指导(https://dcos.io/docs/1.10/installing/custom/advanced/).
现在，dcos集群启动并运行。我想为承载dcos集群顶部的应用程序添加“放置约束”。
我添加了参数（mesos\u属性=space:rack1)进入/opt/mesosphere/etc/mesos从属公共文件。添加了之后，我无法再次启动dcos mesos从属服务
您能告诉我如何使用上述dcos安装方法来实现这一点吗。
etc#cat mesos从机公用

MESOS_MASTER=zk://zk-1.zk:2181,zk-2.zk:2181,zk-3.zk:2181,zk-4.zk:2181,zk-5.zk:2181/mesos
MESOS_CONTAINERIZERS=docker,mesos
MESOS_EXTERNAL_LOG_FILE=/var/log/mesos/mesos-agent.log
MESOS_MODULES_DIR=/opt/mesosphere/etc/mesos-slave-modules
MESOS_CONTAINER_LOGGER=com_mesosphere_mesos_JournaldLogger
MESOS_ISOLATION=cgroups/cpu,cgroups/mem,disk/du,network/cni,filesystem/linux,docker/runtime,docker/volume,volume/sandbox_path,volume/secret,posix/rlimits,namespaces/pid,linux/capabilities,com_mesosphere_MetricsIsolatorModule,cgroups/devices,gpu/nvidia
MESOS_DOCKER_VOLUME_CHECKPOINT_DIR=/var/lib/mesos/isolators/docker/volume
MESOS_IMAGE_PROVIDERS=docker
MESOS_NETWORK_CNI_CONFIG_DIR=/opt/mesosphere/etc/dcos/network/cni
MESOS_NETWORK_CNI_PLUGINS_DIR=/opt/mesosphere/active/cni/:/opt/mesosphere/active/dcos-cni/:/opt/mesosphere/active/mesos/libexec/mesos
MESOS_WORK_DIR=/var/lib/mesos/slave
MESOS_SLAVE_SUBSYSTEMS=cpu,memory
MESOS_LAUNCHER_DIR=/opt/mesosphere/active/mesos/libexec/mesos
MESOS_EXECUTOR_ENVIRONMENT_VARIABLES=file:///opt/mesosphere/etc/mesos-executor-environment.json
MESOS_EXECUTOR_REGISTRATION_TIMEOUT=10mins
MESOS_CGROUPS_ENABLE_CFS=true
MESOS_CGROUPS_LIMIT_SWAP=false
MESOS_DISALLOW_SHARING_AGENT_PID_NAMESPACE=true
MESOS_DOCKER_REMOVE_DELAY=1hrs
MESOS_DOCKER_STOP_TIMEOUT=20secs
MESOS_DOCKER_STORE_DIR=/var/lib/mesos/slave/store/docker
MESOS_GC_DELAY=2days
MESOS_HOSTNAME_LOOKUP=false
GLOG_drop_log_memory=false
MESOS_ATTRIBUTES=SPACE:RACK1