GPDB初始化

Question

我正在尝试初始化greenplum DB，但我收到以下错误Check your installation; "postgres -V" may have more information. cat: /mnt/disk4/greenplum/data/primary/gpseg0.initdb: No such file or directory 20180408:12:19:34:006361 gpcreateseg.sh:datanode3:gpadmin-[INFO]:-Start Function BACKOUT_COMMAND 20180408:12:19:34:006361 gpcreateseg.sh:datanode3:gpadmin-[INFO]:-End Function BACKOUT_COMMAND 20180408:12:19:34:006361 gpcreateseg.sh:datanode3:gpadmin-[INFO]:-Start Function BACKOUT_COMMAND 20180408:12:19:34:006361 gpcreateseg.sh:datanode3:gpadmin-[INFO]:-End Function BACKOUT_COMMAND 20180408:12:19:34:006361 gpcreateseg.sh:datanode3:gpadmin-[FATAL][0]:-Failed to start segment instance database datanode1 /mnt/disk4/greenplum/data/primary/gpseg0