Re: DRDB? - Mailing list pgsql-admin

From Tom Lane
Subject Re: DRDB?
Date
Msg-id 6245.1119881940@sss.pgh.pa.us
Whole thread Raw
In response to Re: DRDB?  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-admin
Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Martin Fandel wrote:
>> is DRDB (http://www.drbd.org/) a recommended replication-solution for
>> PostgreSQL? I asked some PostgreSQL-People and DRDB-People on the
>> Linux-Tag in germany. But I'm not very assured about this solution.

> Uh, we really don't _recommend_ replication solutions.  However, I will
> say I have heard of Slony, but never of DRDB.  It seems DRDB replicates
> the file system blocks to another machine.

I have not probed further than the site's top page, but unless DRBD
offers some pretty strong guarantees about physical write order on the
master being duplicated on the slave, it won't work reliably for
Postgres.

            regards, tom lane

pgsql-admin by date:

Previous
From: hellz waren
Date:
Subject: Re: real time replication of pgsql database
Next
From: "Magnus Hagander"
Date:
Subject: Re: DRDB?