+ echo 'No portmap or rpcbind service is running on this host. Please start portmap or rpcbind service before attempting to start the NFS Gateway role on this host.'

问题：

Centos7 安装CDH时报错：

+ make_scripts_executable
+ find /opt/cloudera-manager/cm-5.14.1/run/cloudera-scm-agent/process/193-hdfs-NFSGATEWAY -regex '.*\.\(py\|sh\)$' -exec chmod u+x '{}' ';'
+ '[' DATANODE_MAX_LOCKED_MEMORY '!=' '' ']'
+ ulimit -l
+ export HADOOP_IDENT_STRING=hdfs
+ HADOOP_IDENT_STRING=hdfs
+ '[' -n '' ']'
+ '[' mkdir '!=' nfs3 ']'
+ acquire_kerberos_tgt hdfs.keytab
+ '[' -z hdfs.keytab ']'
+ '[' -n '' ']'
+ '[' validate-writable-empty-dirs = nfs3 ']'
+ '[' file-operation = nfs3 ']'
+ '[' bootstrap = nfs3 ']'
+ '[' failover = nfs3 ']'
+ '[' transition-to-active = nfs3 ']'
+ '[' initializeSharedEdits = nfs3 ']'
+ '[' initialize-znode = nfs3 ']'
+ '[' format-namenode = nfs3 ']'
+ '[' monitor-decommission = nfs3 ']'
+ '[' jnSyncWait = nfs3 ']'
+ '[' nnRpcWait = nfs3 ']'
+ '[' -safemode = '' -a get = '' ']'
+ '[' monitor-upgrade = nfs3 ']'
+ '[' finalize-upgrade = nfs3 ']'
+ '[' rolling-upgrade-prepare = nfs3 ']'
+ '[' rolling-upgrade-finalize = nfs3 ']'
+ '[' nnDnLiveWait = nfs3 ']'
+ '[' monitor-offline = nfs3 ']'
+ '[' refresh-datanode = nfs3 ']'
+ '[' mkdir = nfs3 ']'
+ '[' nfs3 = nfs3 ']'
+ connect_to_port 111
+ PORT=111
+ python -c 'import socket; import sys; s = socket.socket(socket.AF_INET); s.settimeout(5.0); s.connect((sys.argv[1], int(sys.argv[2]))); s.close();' localhost 111
Traceback (most recent call last):File "<string>", line 1, in <module>File "/usr/lib64/python2.7/socket.py", line 224, in methreturn getattr(self._sock,name)(*args)
socket.error: [Errno 111] Connection refused
+ '[' 1 -ne 0 ']'
+ echo 'Cannot connect to port 111.'
+ return 1
+ '[' 1 -eq 1 ']'
+ echo 'No portmap or rpcbind service is running on this host. Please start portmap or rpcbind service before attempting to start the NFS Gateway role on this host.'
+ exit 1

解决方法：

要启动rpcbind

安装：

yum install nfs-utils rpcbind

查看状态：

systemctl status rpcbind.service

启动：

systemctl start rpcbind.service