| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Zeugswetter Andreas ADI SD" <Andreas(dot)Zeugswetter(at)s-itsolutions(dot)at> |
| Cc: | "Zdenek Kotala" <Zdenek(dot)Kotala(at)Sun(dot)COM>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>, "Robert Mach" <mach(dot)robert(at)gmail(dot)com> |
| Subject: | Re: Proposal: Integrity check |
| Date: | 2008-01-25 20:23:58 |
| Message-ID: | 15152.1201292638@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
"Zeugswetter Andreas ADI SD" <Andreas(dot)Zeugswetter(at)s-itsolutions(dot)at> writes:
>> We're already assuming that; otherwise base backups for PITR
>> don't work.
> I think we could, but iirc we did not. We do not need that assumption if
> you don't
> turn off fullpage writes.
Oh, I had forgotten that RestoreBkpBlocks restores unconditionally.
Good point.
It's still the case that there's no need to allow pages into shared
buffers that don't pass the header-is-valid checks. If they don't
pass, then there's no way that bufmgr has a conflicting copy.
regards, tom lane
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