[Pgpool-general] Clarifying interaction between master/slave mode and automated failover [SumsaultRT #3219]
Tatsuo Ishii
ishii at sraoss.co.jp
Tue May 30 13:48:32 UTC 2006
Thanks. Could you send the diff again using diff -c command?
--
Tatsuo Ishii
SRA OSS, Inc. Japan
> On Wed, May 24, 2006 at 04:40:23PM -0400, Mark Stosberg wrote:
> >
> > 2. What's the behavior when failing over from master to slave? Does it
> > still continue to send only SELECTs to the slave, or does it began
> > to treat it as a master?
>
> I think I found the answer to this here:
> http://pgfoundry.org/pipermail/pgpool-general/2005-January/000010.html
>
> Below is a patch to the documentation to improve in this regard.
>
> Mark
>
> mark at sap$ diff README.orig README
> 523c523
> < For maintenance purpose, scheduled switching or degenration is
> ---
> > For maintenance purpose, scheduled switching or degeneration is
> 526c526
> < $ pgpool [-f config_file] [-s {m[aster]|s[econdary]] switch
> ---
> > To send both reads and writes only to the secondary:
> 528,529c528
> < If [-m {s[mart]|f[ast]|i[mmediate]}] part is omitted, master goes
> < down. To stop secondary try:
> ---
> > $ pgpool [-f config_file] switch
> 531c530
> < $ pgpool [-f config_file] -s s[econdary] switch
> ---
> > To switch to using only the master:
> 533c532
> < Note that "s[econdary]" measn "s" or "secondary".
> ---
> > $ pgpool [-f config_file] -s secondary switch
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