| From: | Jeff <threshar(at)torgo(dot)978(dot)org> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | markw(at)osdl(dot)org, pgsql-performance(at)postgresql(dot)org, linux-lvm(at)sistina(dot)com, pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: [PERFORM] backup/restore - another area. |
| Date: | 2003-10-16 17:06:37 |
| Message-ID: | 20031016130637.535f633f.threshar@torgo.978.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin pgsql-performance |
On Thu, 16 Oct 2003 09:49:59 -0700
Josh Berkus <josh(at)agliodbs(dot)com> wrote:
> Jeff,
>
> > The downside is
> > this method will only work on that specific version of PG and it
> > isn't the"cleanest" thing in the world since you are essentially
> > simulating a power failure to PG. Luckly the WAL works like a champ.
> > Also, these backups can be much larger since it has to include the
> > indexes as well. but this is a price you have to pay.
>
> The other downside is, of course, that the database needs to be shut
> down.
>
I left the DB up while doing this.
Even had a program sitting around committing data to try and corrupt
things. (Which is how I discovered I was doing the snapshot wrong)
You could do pg_ctl stop; snapshot; pg_ctls tart for a "clean" image.
--
Jeff Trout <jeff(at)jefftrout(dot)com>
http://www.jefftrout.com/
http://www.stuarthamm.net/
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