Did you try root su -c postgres pg_dumpall > postgresdump.sql On Wed, 18 Dec 2019 at 19:55, Pepe TD Vo <pepevo@xxxxxxxxx> wrote: > > hello expert, > > I had to do a backup on replication master-slave servers. I also have asked this question before, but I don't understand why I followed the information and same scripting to run on the replication servers and didn't work. I can run pg_dumpall successful but not with the script. Would you please tell me what's wrong and what need to correct the error? > > my replication server (master) pg_hba.conf > > # "local" is for Unix domain socket connections only > local all all peer > host all all 192.168.2.0/24 trust > # IPv4 local connections: > host all all 127.0.0.1/32 indent > local all postgres trust > host all power_user 0.0.0.0/0 md5 > host all other_user 0.0.0.0/0 md5 > host all storageLoader 0.0.0.0/0 md5 > # IPv6 local connections: > host all all ::1/128 indent > #allow replication connections from localhost, by a user with the replication priviledge > local replication all trust > host replication all 127.0.0.1/32 trust > host replicaiton all ::1/128 trust > host replication replicauser masterIP/32 trust > host replicaiton replicauser slaveIP/32 trust > > from the postgres prompt I can connect to each database > > #psql -d template0 -U postgres > template0-# > #psql -d template1 -U postgres > template1-# > > #psql -d pscidr -U postgres > pscidr-# > #psql -d postgres -U postgres > postgres-# > > > when I run the script as postgres os, I don't see the error but the only global.sql backup but nothing in it, 0 byte (blank) sql script. > > when I run as root su -c postgres /path/pg_backup.sh > pgbackup.log, I get below: > > Performing globals backup: > Globals backup > pg_dumpall: could not connect to database "template1":FATAL: Ident authentication failed for user "postgres" fro globals backup. > > Performing schema-only backup: > psql:FATAL: Ident authentication failed for user "postgres" > the following databases were matched for schema-only backup: > > performing full backup: > psql:FATAL: Ident authentication failed for user "postgres" > > > I can run pg_dumpall > postgresdump.sql as postgres user os fine will all the databases backup > > pg_backup.sh and pg_backup.config attachment. > > v/r, > > Bach-Nga > > No one in this world is pure and perfect. If you avoid people for their mistakes you will be alone. So judge less, love and forgive more. > To call him a dog hardly seems to do him justice though in as much as he had four legs, a tail, and barked, I admit he was, to all outward appearances. But to those who knew him well, he was a perfect gentleman (Hermione Gingold) > > **Live simply **Love generously **Care deeply **Speak kindly. > *** Genuinely rich *** Faithful talent *** Sharing success
