Re: Page Checksums

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Greg Stark <stark(at)mit(dot)edu>
Cc: Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, greg(at)2ndquadrant(dot)com, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Page Checksums
Date: 2011-12-27 19:19:28
Message-ID: 1325013568.11655.10.camel@jdavis
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On Sun, 2011-12-25 at 22:18 +0000, Greg Stark wrote:
> 2) The i/o system was in the process of writing out blocks and the
> system lost power or crashed as they were being written out. In this
> case there will probably only be 0 or 1 torn pages -- perhaps as many
> as the scsi queue depth if there's some weird i/o scheduling going on.

That would also depend on how many disks you have and what configuration
they're in, right?

Regards,
Jeff Davis

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