From: | Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at> |
---|---|
To: | "basti *EXTERN*" <mailinglist(at)unix-solution(dot)de>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: WAL Replication + PITR |
Date: | 2014-04-29 09:30:38 |
Message-ID: | A737B7A37273E048B164557ADEF4A58B17CF4B78@ntex2010i.host.magwien.gv.at |
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Lists: | pgsql-general |
basti wrote:
> is it possible to have WAL Replication and Point-in-Time Recovery like
> follows:
>
> DB-Master -- (WAL to Slave) --> DB-Slave
> |
> |-------> (PITR to an other Server)
>
> Thanks for any help!
Sure. You can use something like the UNIX command "tee" in "archive_command"
to create a second copy of the WAL archive.
You could also use the same archived WALs for both purposes and
from several machines by putting them on a network file system.
> p.s. is there a tutorial somewhere how describe the steps todo when the
> master is crashed?
You will have to promote the standby, make sure future client
requests will go there (a connection pooler or a virtual IP address
can help here) and build a new standby.
Yours,
Laurenz Albe
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