[pgpool-general: 2711] Re: pgpool-ha 2.2 released

[Tatsuo Ishii]

> Hi.
> 
> When you want to do something complicated , it's used.
> e.g.
>  - use two or more VIP in different N/W segments
>  - manage other deamons on same HA cluster with pgpool
>  - manage multi pgpool instances (with single heartbeat pair)

Caution: multiple pgpool instances will not work correctly without
watchdog. For example, failover script may be executed by multiple
pgpool instances at a same time when one of PostgreSQL nodes goes
down. Also it's possible that online recovery script can be executed
by multiple pgpool instances.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp

> On Sun, 06 Apr 2014 17:07:47 -0700
> Alexandru Cardaniuc <cardaniuc at gmail.com> wrote:
> 
>> Any reason to use pgpool-HA instead of watchdog in pgpool 3.3.3?
>> 
>> TAKATSUKA Haruka <harukat at sraoss.co.jp> writes:
>> 
>> > pgpool-ha 2.2 released -------------------------
>> >
>> > Version 2.2 of pgpool-ha, the OCF resource agent script for pgpool-II
>> > on HA cluster management softwares such as Pacemaker, has been
>> > released and is publicly available for download.
>> >
>> >   Download: http://pgpool.net/mediawiki/index.php/Downloads#pgpool-HA
>> >
>> > This version fixes bugs following:
>> >
>> >   * fix metadata for pcs command's xml parser. This causes "Unable to
>> > parse xml" error at "pcs resource describe" command of Pacemaker 1.1.x
>> > (http://www.pgpool.net/mantisbt/view.php?id=91)
>> >
>> >   * add wait loop to start action function. This causes an
>> > inappropriate failure of monitoring action. (reported by
>> > [pgpool-general: 2123])
>> >
>> > _______________________________________________ pgpool-general mailing
>> > list pgpool-general at pgpool.net
>> > http://www.pgpool.net/mailman/listinfo/pgpool-general
>> >
>> >
>> 
>> -- 
>> "The only thing necessary for evil to flourish is for good men to do
>> nothing."  
>> - Edmund Burke
> 
> ______________________________________________________________________
> TAKATSUKA Haruka  harukat at sraoss.co.jp  SRA OSS, Inc .
> 
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