Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > scott.marlowe wrote:
> >>> There is no real need (or benefit) from having the database on a
> >>> journalled filesystem - the journalling is only trying to give similar
> >>> sorts of guarantees to what the fsync in PostgreSQL is doing.
> >>
> >> Is this true? I was under the impression that without at least meta-data
> >> journaling postgresql could still be corrupted by power failure.
>
> > It is false. ext2 isn't crash-safe, and PostgreSQL needs an intact file
> > system for WAL recovery.
>
> But it should be okay to set the filesystem to journal only its own
> metadata. There's no need for it to journal file contents.
Can you set ext2 to journal metadata? I didn't know it could do that.
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
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