RE: pg_basebackup: could not get write-ahead log end position from server: ERROR

Hi Nawaz,

Many thanks for the update.

1) have you configured the archive_command to a script that archives the online WAL to the archive destination and deletes the file?
Yes
2) As far as I know the cleanup of archive destination has to done manually.

Ok

Regards,

Saeed Ahmed

From: Ahmed, Nawaz [mailto:Nawaz(at)fast(dot)au(dot)fujitsu(dot)com]
Sent: Saturday, June 09, 2018 2:41 AM
To: Saeed Ahmed (DB); pgsql-admin(at)postgresql(dot)org
Cc: Database Services
Subject: Re: pg_basebackup: could not get write-ahead log end position from server: ERROR

Hi,

1) have you configured the archive_command to a script that archives the online WAL to the archive destination and deletes the file?

2) As far as I know the cleanup of archive destination has to done manually.

Regards,
Nawaz

________________________________

From: Saeed Ahmed (DB) <saeed(dot)ahmed1(at)telenor(dot)com(dot)pk<mailto:saeed(dot)ahmed1(at)telenor(dot)com(dot)pk>>
Date: 9 June 2018 at 4:27:25 am AEST
To: pgsql-admin(at)postgresql(dot)org<mailto:pgsql-admin(at)postgresql(dot)org> <pgsql-admin(at)postgresql(dot)org<mailto:pgsql-admin(at)postgresql(dot)org>>
Cc: Database Services <db(dot)is(at)telenor(dot)com(dot)pk<mailto:db(dot)is(at)telenor(dot)com(dot)pk>>
Subject: pg_basebackup: could not get write-ahead log end position from server: ERROR

Dear Team,

1)Whilst taking full backup via pg_basebackup I have facing below error. Backup is schedule via cronjob.

================================================================================
****** Full Backup of posgresql database started Fri Jun 8 20:40:36 PKT 2018.
080618204036
pg_basebackup: initiating base backup, waiting for checkpoint to complete
pg_basebackup: checkpoint completed
pg_basebackup: write-ahead log start point: 43/400252F8 on timeline 1
17624153/17624153 kB (100%), 2/2 tablespaces
pg_basebackup: could not get write-ahead log end position from server: ERROR: requested WAL segment 000000010000004300000040 has already been removed
pg_basebackup: removing data directory "/db01/pgdata/hot_backup/080618204036"

2)Also after complete backup I have to manually delete the wal archive files using pg_archivecleanup. Is there any way to automatically delete after full backup is complete and wal archive are no longer required.

pg_archivecleanup -d /db01/wal_archive 00000001000000390000000A

Kindly let me know how to rectify.

pg_basebackup -z -X fetch --progress -v --format=t -D /db01/pgdata/hot_backup/$DD --no-password

Current Version:

version
---------------------------------------------------------------------------------------------------------
PostgreSQL 10.1 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-18), 64-bit

LINUX : .10.0-327.el7.x86_64

Regards,

Saeed Ahmed

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