OS Version: CentOS Linux release 7.2.1511 (Core) 

greenplum version: 4.3.8



问题:在初始化过程中遇到如下错误,并且master上的postgres进行已经启动,segment上的所有进程都没有启动。

20170817:15:55:11:009635 gpstop:mdw:gpadmin-[INFO]:-Starting gpstop with args: -a -i -m -d /export/gpdata/master/gpseg-1
20170817:15:55:11:009635 gpstop:mdw:gpadmin-[INFO]:-Gathering information and validating the environment...
20170817:15:55:11:009635 gpstop:mdw:gpadmin-[INFO]:-Obtaining Greenplum Master catalog information
20170817:15:55:11:009635 gpstop:mdw:gpadmin-[INFO]:-Obtaining Segment details from master...
20170817:15:55:11:009635 gpstop:mdw:gpadmin-[CRITICAL]:-gpstop failed. (Reason='int() argument must be a string or a number, not 'NoneType'') exiting...


解决方法:在master节点服务器上安装ed软件。

yum install ed -y


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