一、新建一个tank用户
[gpadmin@mdw ~]$ createuser tank
Shall the new role be a superuser? (y/n) y
[gpadmin@mdw ~]$ psql -d tank
psql (8.2.15)
Type "help" for help.
二、修改tank用户密码
tank=# alter role tank with password 'tank'
tank-# ;
ALTER ROLE
tank=# \q
三、修改greenplum数据库pg_hba.conf文件
[gpadmin@mdw ~]$ cat /gpmaster/gpseg-1/pg_hba.conf
host all tank 108.88.3.0/24 md5
[gpadmin@mdw ~]$
四、重启greeplum数据库
[gpadmin@mdw ~]$ gpstop -u
20170307:19:19:46:018448 gpstop:mdw:gpadmin-[INFO]:-Starting gpstop with args: -u
20170307:19:19:46:018448 gpstop:mdw:gpadmin-[INFO]:-Gathering information and validating the environment...
20170307:19:19:46:018448 gpstop:mdw:gpadmin-[INFO]:-Obtaining Greenplum Master catalog information
20170307:19:19:46:018448 gpstop:mdw:gpadmin-[INFO]:-Obtaining Segment details from master...
20170307:19:19:46:018448 gpstop:mdw:gpadmin-[INFO]:-Greenplum Version: 'postgres (Greenplum Database) 4.3.12.0 build 1'
20170307:19:19:46:018448 gpstop:mdw:gpadmin-[INFO]:-Signalling all postmaster processes to reload
五、测试连接
[gpadmin@mdw ~]$ psql -h 108.88.3.88 -d tank -U tank
Password for user tank:
psql (8.2.15)
Type "help" for help.
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