| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
| Cc: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Wierd quirk of HS/SR, probably not fixable |
| Date: | 2010-04-27 18:14:39 |
| Message-ID: | 1272392079.4161.7886.camel@ebony |
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| Lists: | pgsql-hackers |
On Tue, 2010-04-27 at 20:14 +0300, Heikki Linnakangas wrote:
> Simon Riggs wrote:
> > On Tue, 2010-04-27 at 18:13 +0300, Heikki Linnakangas wrote:
> >> Simon Riggs wrote:
> >>> If pg_stop_backup() is run it creates the .backup file in the archive.
> >>> In the absence of that file, we should be able to work out that
> >>> pg_stop_backup() was not run.
> >> It's just as likely that the file is there even though the backup didn't
> >> finish, though.
> >
> > It's possible, but not likely. It would need to break at a very specific
> > place for that to be the case. Whereas the test I explained would work
> > for about 99% of the time between start and stop backup, except for the
> > caveat I explained also.
>
> I don't understand how you arrived at that figure.
You're talking about the backup_label file, I'm talking about
the .backup file in the archive.
--
Simon Riggs www.2ndQuadrant.com
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