【PgSQL问题排查】PostgreSQL could not read symbolic link "pg_tblspc/tbsberkly": Invalid argument

 

[postgres@zehost ~]$ pg_rman backup -b full -U postgres -Z -h 127.0.0.1 -p 5432
Password for user postgres:
INFO: copying database files
WARNING: could not read symbolic link "pg_tblspc/tbsberkly": Invalid argument
WARNING: could not read symbolic link "pg_tblspc/tbsmem": Invalid argument
INFO: copying archived WAL files

[postgres@zehost pg_tblspc]$ cd /data/pgsql_5432/data/pg_tblspc
[postgres@zehost pg_tblspc]$ ll
total 8
lrwxrwxrwx 1 postgres postgres 33 Sep 3 21:54 16413 -> /data/pgsql_5432/tbsdata/tbs_berkley
lrwxrwxrwx 1 postgres postgres 33 Sep 3 21:54 16415 -> /data/pgsql_5432/tbsdata/tbs_mem

drwx------ 2 postgres postgres 4096 Sep 3 21:54 tbsberkly
drwx------ 2 postgres postgres 4096 Sep 3 21:54 tbsmem

[postgres@zehost pg_tblspc]$ ll tbsberkly/
total 0
[postgres@zehost pg_tblspc]$ ll tbsmem/
total 0
[postgres@zehost pg_tblspc]$ mv tbsberkly /tmp/
[postgres@zehost pg_tblspc]$ mv tbsmem /tmp/
[postgres@zehost pg_tblspc]$ ll
total 0
lrwxrwxrwx 1 postgres postgres 33 Sep 3 21:54 16413 -> /data/pgsql_5432/tbsdata/tbs_berkley
lrwxrwxrwx 1 postgres postgres 33 Sep 3 21:54 16415 -> /data/pgsql_5432/tbsdata/tbs_mem
lrwxrwxrwx 1 postgres postgres 36 Sep 3 21:54 20806 -> /data/pgsql_5432/tbsdata/tbs_pgbench

 

[postgres@zehost ~]$ pg_ctl stop
waiting for server to shut down.... done
server stopped
[postgres@zehost ~]$ pg_ctl start
waiting for server to start....2020-09-26 21:36:14.413 CST [6673] LOG: starting PostgreSQL 12.3 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16), 64-bit
2020-09-26 21:36:14.414 CST [6673] LOG: listening on IPv4 address "0.0.0.0", port 5432
2020-09-26 21:36:14.414 CST [6673] LOG: listening on IPv6 address "::", port 5432
2020-09-26 21:36:14.416 CST [6673] LOG: listening on Unix socket "/data/pgsql_5432/.s.PGSQL.5432"
2020-09-26 21:36:14.574 CST [6673] LOG: redirecting log output to logging collector process
2020-09-26 21:36:14.574 CST [6673] HINT: Future log output will appear in directory "/data/pgsql_5432/logs".
done
server started