Is there a PostgreSQL error with Wal segment?

Is there a PostgreSQL error with Wal segment?

FATAL: could not receive data from WAL stream: ERROR: requested WAL segment 00000001000000000000006A has already been removed. Master IP : 192.168.0.30 Slave IP : 192.168.0.36 I have created a user rep which is used solely for replication. The relevant files inside Postgres config directory ( /opt/Postgres/9.3/data ):

Can a streaming replication server recycle WAL segments?

If you use streaming replication without file-based continuous archiving, the server might recycle old WAL segments before the standby has received them. If this occurs, the standby will need to be reinitialized from a new base backup.

What’s the best way to retrieve a Wal segment?

The slave servers simply need a method to retrieve the WAL segments. NFS is the simplest method, but anything from scp to http to tapes will work so long as it can be scripted. When the slave can’t pull the WAL segment directly from the master, it will attempt to use the restore_command to load it.

Why is my PostgreSQL streaming replication still failing?

My MASTER has archive_command set, and I have the missing WALs available. I copied them into a restore directory on the SLAVE and tried the recovery.conf below, but it still fails with the MASTER reporting the same WAL segment has already been moved error.

Can a Wal archive be accessed from a standby?

If you set up a WAL archive that’s accessible from the standby, these solutions are not required, since the standby can always use the archive to catch up provided it retains enough segments. To fix the issue, you have to reinitialize the data from primary server. Remove data directory on slave:

What to do with Wal files for Postgres slave reset?

The solutions in What to do with WAL files for Postgres Slave reset are for a slightly different problem. They seem to be for a scenario where the master deletes a log file before the slave receives it. In my case it is very much present on the slave and several other files in the sequence after the one being requested.

How to set up streaming replication in PostgreSQL?

I want to set up PostgreSQL streaming replication, but get the following error: FATAL: could not receive data from WAL stream: ERROR: requested WAL segment 00000001000000000000006A has already been removed. Master IP : 192.168.0.30

What to do if a PostgreSQL slave is missing?

If the slave comes to a situation where the next WAL segment it needs is missing from both the master and the archive, there will be no way to consistently recover the database. The only reasonable option then is to scrub the server and start again from a fresh pg_basebackup.

How to clean Wal file in Postgres 10?

Master and Slaves – Postgres 10. Master and Slaves have commented wal_keep_segments and max_wal_size. pg_archivecleanup did not work with %r option, then I got the archive name by searching in pg_controldata latest checkpoint’s REDO WAL file and deleted the logs, but then one replica stopped with the error

Can you not receive data from Wal stream?

2013-07-01 13:25:29.430 CST,,, 27738,, 51d112c8.6c5a, 2, ,2013-07-01 13:25:28 CST,, 0, FATAL, XX000,”could not receive data from WAL stream: FATAL: requested WAL segment 0000000800002A0000000000 has already been removed Down for maintenance during the main library did not open the archive, then the standby database needs to redo it.