Re: pg_basebackup with a twist?

From: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>
To: Ray Stell <stellr(at)vt(dot)edu>, pgsql-admin(at)lists(dot)postgresql(dot)org
Subject: Re: pg_basebackup with a twist?
Date: 2018-02-02 21:11:12
Message-ID: dbb38452-4325-ce25-fd8b-a93aef75f0d2@2ndquadrant.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-admin

On 2/2/18 14:40, Ray Stell wrote:
> I have a fairly busy primary that I put a symlink in to move pg_xlog
> over to another I/O subsystem.   I was going to build a standby with
> pg_basebackup running the command from the standby host.  I thought
> maybe I could put the symlink in on the new standby, but no go: 
> "pg_basebackup: directory "/database/test.basebackup/" exists but is not
> empty" as documented.  Is the only way to do this to "fix" it up after
> the restore?   I want to use the "-x" option in order to get the WAL
> during the backup.  Just curious, my guess is I'll have to build the
> stby from a intermediate file.  TIA.

pg_basebackup has a --waldir or --xlogdir (depending on version) option
for this, analogous to initdb.

--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

In response to

Browse pgsql-admin by date

  From Date Subject
Next Message Tom Lane 2018-02-02 23:52:36 Re: Extreme slowdown querying system tables
Previous Message Ray Stell 2018-02-02 19:40:20 pg_basebackup with a twist?