---------マスターのミラーを増やします----------
smdwでのルート実行
mkdir -p / greenplum / gpdata / master
chown gpadmin:gpadmin / greenplum / gpdata / master
ホストファイルを変更する
10.102.254.24 sdw1
10.102.254.25 sdw2
10.102.254.26 sdw3 smdw
10.102.254.27 mdw
MDWのGpadmin
gpinitstandby -s smdw
[gpadmin@mdw ~]$ gpinitstandby -s smdw
20200419:00:58:17:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Validating environment and parameters for standby initialization...
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Checking for filespace directory /greenplum/gpdata/master/gpseg-1 on smdw
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:------------------------------------------------------
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Greenplum standby master initialization parameters
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:------------------------------------------------------
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Greenplum master hostname = mdw
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Greenplum master data directory = /greenplum/gpdata/master/gpseg-1
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Greenplum master port = 5432
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Greenplum standby master hostname = smdw
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Greenplum standby master port = 5432
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Greenplum standby master data directory = /greenplum/gpdata/master/gpseg-1
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Greenplum update system catalog = On
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:------------------------------------------------------
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:- Filespace locations
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:------------------------------------------------------
20200419:00:58:18:002040 gpinitstandby:mdw:gpadmin-[INFO]:-pg_system -> /greenplum/gpdata/master/gpseg-1
Do you want to continue with standby master initialization? Yy|Nn (default=N):
> y
20200419:00:58:34:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Syncing Greenplum Database extensions to standby
20200419:00:58:35:002040 gpinitstandby:mdw:gpadmin-[INFO]:-The packages on smdw are consistent.
20200419:00:58:35:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Adding standby master to catalog...
20200419:00:58:35:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Database catalog updated successfully.
20200419:00:58:35:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Updating pg_hba.conf file...
20200419:00:58:36:002040 gpinitstandby:mdw:gpadmin-[INFO]:-pg_hba.conf files updated successfully.
20200419:00:58:38:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Updating filespace flat files...
20200419:00:58:38:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Filespace flat file updated successfully.
20200419:00:58:38:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Starting standby master
20200419:00:58:38:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Checking if standby master is running on host: smdw in directory: /greenplum/gpdata/master/gpseg-1
20200419:00:58:38:002040 gpinitstandby:mdw:gpadmin-[WARNING]:-Unable to cleanup previously started standby: 'Warning: the ECDSA host key for 'smdw' differs from the key for the IP address '10.102.254.26'
Offending key for IP in /home/gpadmin/.ssh/known_hosts:1
Matching host key in /home/gpadmin/.ssh/known_hosts:9
20200419:00:58:40:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Cleaning up pg_hba.conf backup files...
20200419:00:58:40:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Backup files of pg_hba.conf cleaned up successfully.
20200419:00:58:40:002040 gpinitstandby:mdw:gpadmin-[INFO]:-Successfully created standby master on smdw