Thank you very much.  I read someplace if you run pg_start_backup twice the 
backup.old will be created, but there was not much beyond that and now I can't 
seem to find the reference.


Steve Pribyl
Sr. Systems Engineer
steve.pri...@akunacapital.com<mailto:steve.pri...@akunacapital.com>
Desk: 312-994-4646



________________________________
From: David G. Johnston <david.g.johns...@gmail.com>
Sent: Wednesday, October 7, 2015 2:25 PM
To: Steve Pribyl
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] backup.old

On Wed, Oct 7, 2015 at 3:16 PM, Steve Pribyl 
<steve.pri...@akunacapital.com<mailto:steve.pri...@akunacapital.com>> wrote:

Great, dur(rtfm), so is it save to delete the backup.old, if the db is not in 
backup mode.

I don't see anything that would cause "backup.old" to be linked to an active 
backup if there was one in progress...and as far as I can tell a successfully 
completed backup doesn't leave around any such file either.  So it should be 
safe to delete regardless of what pg_is_in_backup returns.  If that returns 
true then I would be concerned that something (or someone) else is messing with 
the backup/data directory and that something likely also introduced backup.old

David J.

________________________________
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Steve Pribyl | Senior Systems Engineer
Akuna Capital LLC
36 S Wabash, Suite 310 Chicago IL 60603 USA | www.akunacapital.com 
<http://www.akunacapital.com>
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