On Tue, Feb 21, 2017 at 6:53 AM, Gabriel Ortiz Lour <ortiz.ad...@gmail.com> wrote:
> Hi! > > Thanks for pointing out pg_basebackup > > The issue I'm facing now is about missing WAL files. > > What i'm doing: > # su postgres -c 'pg_basebackup -D /var/lib/postgresql/9.1/main/ -x -h > master -U sa_rep' ; service postgresql start > > The idea is to call "postgresql start" as soon as pg_basebackup ends. > But I'm getting the following error: > > FATAL: could not receive data from WAL stream: FATAL: requested WAL > segment XXXXXXX has already been removed > > Shoud I just increase 'wal_keep_segments' ? > Yes, that is the way to go. But, you need to know what number you need to increase the wal_keep_segments to ? Which purely depends on the number of WALs being generated. Which version of PostgreSQL are you using by the way ? > If I do so, do I need do restart the master or just a reload will do it? > No need to restart, "reload" will do. Venkata B N Database consultant > ---------- Forwarded message ---------- > From: Achilleas Mantzios <ach...@matrix.gatewaynet.com> > Date: 2017-02-17 11:20 GMT-02:00 > Subject: Re: [GENERAL] Streaming Replication Without Downtime > To: pgsql-general@postgresql.org > > > Gabriel you are thinking this in the correct way, but its really : > > pg_basebackup -D <your data dir> --write-recovery-conf --progress > --xlog-method=stream -h <your primary db server> > then you just edit recovery.conf (if needed), tweak postgersql.conf (if > needed) and start the standby . > > On 17/02/2017 15:09, Gunnar "Nick" Bluth wrote: > > (sorry for the toppost, mobile device) > What you're looking for is pg_basebackup with - - xlog=stream, I guess. > > Regards, > > Nick > > > Am 17. Februar 2017 14:06:36 MEZ schrieb Gabriel Ortiz Lour > <ortiz.ad...@gmail.com> <ortiz.ad...@gmail.com>: >> >> Hi all, >> I've been searching for a way to initialize a new Hot Standby node with >> Streaming Replication withou the need for stop or even restarting the >> master. >> Of course the master is already with the needed SR configs. >> >> I know I have to use pg_start_backup/pg_stop_backup, but i'd like some >> tips, or a link to some tutorial, with the order of the steps. >> >> I assume will be something like: >> >> - configure Slave for SR >> - pg_start_backup() >> - rsync PGDATA to slave >> - start PG on the slave >> - pg_stop_backup() >> >> Anything i'm thinking wrong? >> >> Thanks in advance, >> Gabriel >> > > -- > Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail > gesendet. > > > > -- > Achilleas Mantzios > IT DEV Lead > IT DEPT > Dynacom Tankers Mgmt > > >
