| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Greg Smith <greg(at)2ndquadrant(dot)com> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)2ndquadrant(dot)com>, Ants Aasma <ants(at)cybertec(dot)at>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Jeff Davis <pgsql(at)j-davis(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Enabling Checksums |
| Date: | 2013-03-27 14:06:19 |
| Message-ID: | CA+TgmoZw25zxAmKm1tdP_AbWXoyjLBOw4Q0yH-AWLdNfOqqMRA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Mar 18, 2013 at 4:31 PM, Greg Smith <greg(at)2ndquadrant(dot)com> wrote:
> to get them going again. If the install had checksums, I could have figured
> out which blocks were damaged and manually fixed them, basically go on a
> hunt for torn pages and the last known good copy via full-page write.
Wow. How would you extract such a block image from WAL?
That would be a great tool to have, but I didn't know there was any
practical way of doing it today.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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