[0m postgresql-9.5.service - PostgreSQL 9.5 database server
Loaded: loaded (/usr/lib/systemd/system/postgresql-9.5.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Sat 2018-09-29 11:37:16 CST; 9s ago
Docs: https://www.postgresql.org/docs/9.5/static/
Process: 1311 ExecStart=/usr/pgsql-9.5/bin/pg_ctl start -D ${PGDATA} -s -w -t 300 (code=exited, status=1/FAILURE)
Process: 1305 ExecStartPre=/usr/pgsql-9.5/bin/postgresql95-check-db-dir ${PGDATA} (code=exited, status=0/SUCCESS)
Sep 29 11:37:15 iZwz97ufg8mmu1agnox5e9Z systemd[1]: Starting PostgreSQL 9.5 database server...
Sep 29 11:37:15 iZwz97ufg8mmu1agnox5e9Z pg_ctl[1311]: < 2018-09-29 11:37:15.648 CST >FATAL: could not create lock file "...enied
Sep 29 11:37:16 iZwz97ufg8mmu1agnox5e9Z pg_ctl[1311]: pg_ctl: could not start server
Sep 29 11:37:16 iZwz97ufg8mmu1agnox5e9Z systemd[1]: postgresql-9.5.service: control process exited, code=exited status=1
Sep 29 11:37:16 iZwz97ufg8mmu1agnox5e9Z systemd[1]: Failed to start PostgreSQL 9.5 database server.
Sep 29 11:37:16 iZwz97ufg8mmu1agnox5e9Z systemd[1]: Unit postgresql-9.5.service entered failed state.
Sep 29 11:37:16 iZwz97ufg8mmu1agnox5e9Z systemd[1]: postgresql-9.5.service failed.
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有时候重启就这样我也是，就需要初始化data