Hi Laurent, > On 22. Oct, 2020, at 08:42, W.P. <laurentp@xxxxx> wrote: > > Hi there, > > how to do "hot backup" (copying files) while database running? > > Not using pg_dump. > > Is there some equivalent of Oracle (I knew v8) "ALTER DATABASE BEGIN BACKUP", which froze writes to database files, pushing everything to redo files? yes, there is. Please read the chapter: 25.3.3.1. Making A Non-Exclusive Low-Level Backup https://www.postgresql.org/docs/current/continuous-archiving.html#BACKUP-LOWLEVEL-BASE-BACKUP Cheers, Paul
