Ben <bench@xxxxxxxxxxxxxxx> wrote:
On Sat, 30 Dec 2006, Dennis wrote:
> I was thinking of maybe just having 2nd location receive a PG dump (full
> or incremental) every so often (an hour to 6 hours) and if the main
> location fails majorly, restore the PG cluster from the dump and switch
> DNS settings on the actual sites. I can make sure all website files are
> always in sync on both locations.
Well, first off, you can just rsync your archived WAL files. That may be
easier than playing with pg_dump:
http://www.postgresql.org/docs/8.2/interactive/continuous-archiving.html
But second, and more important given your data-loss desires, if you do it
this way you have a window where you can experience data loss.
Specifically, after a transaction is committed, that commit will be at
risk until the next transfer has completed.
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