Tom Lane wrote:
> "Takayuki Tsunakawa" <tsunakawa.takay@jp.fujitsu.com> writes:
>
>> Still, I don't understand well why config files need to be placed
>> outside the data directory, except for daring conform to FHS.
>>
>
> The killer argument for it is that most of what is in $PGDATA should be
> excluded from your normal filesystem backup method, because you need to
> be using some database-aware mechanism for backing up the database. But
> the config files are perfectly suited for standard filesystem backup,
> and indeed will *not* be covered by, say, pg_dumpall. So putting them
> somewhere else helps in creating a coherent backup strategy.
>
>
My backup setup excludes subdirectories of the data dir, rather than the
data dir itself.
Meeting FHS requirements is no bad thing, though. And the ability to
include a common configuration set in multiple instances is surely
useful to a number of people. After all, you aren't forced to use these
facilities - I typically don't.
cheers
andrew