pg_start_backup throws warning:could not read symbolic link

rajv

While executing pg_start_backup function in postgres 9.6 DB I am getting below warning

select pg_start_backup(to_char(now(), 'yyyy-mm-dd hh24:mi:ss'));

Expand|Select|Wrap|Line Numbers

 
WARNING:  could not read symbolic link "pg_tblspc/oth_data_tbs": Invalid argument

WARNING:  could not read symbolic link "pg_tblspc/str_index": Invalid argument

WARNING:  could not read symbolic link "pg_tblspc/tbs_temp_default": Invalid argument

WARNING:  could not read symbolic link "pg_tblspc/oth_indx_tbs": Invalid argument

WARNING:  could not read symbolic link "pg_tblspc/str_data_ids": Invalid argument

WARNING:  could not read symbolic link "pg_tblspc/tbs_default": Invalid argument

 pg_start_backup

-----------------

 5/E0000028

(1 row)

Banfa

A quick Google suggests your data directory is corrupt and that you should rebuild your database cleanly; full answer here

pg_start_backup throws warning:could not read symbolic link

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