page is uninitialized --- fixing

From: Brad Nicholson <bnichols(at)ca(dot)afilias(dot)info>
To: pgsql-general(at)postgresql(dot)org
Subject: page is uninitialized --- fixing
Date: 2008-03-26 19:19:54
Message-ID: 1206559194.26138.33.camel@bnicholson-desktop
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We just took a test database down (PG 8.1.11) fairly hard (pulled a SAN
switch out while it was under load), which caused the DB to crash. It
started up fine, when I vacuumed the DB, I saw the following messages.

WARNING: relation "my_table" page 652139 is uninitialized --- fixing
WARNING: relation "my_table" page 652140 is uninitialized --- fixing
WARNING: relation "my_table" page 652940 is uninitialized --- fixing
WARNING: relation "my_table" page 652941 is uninitialized --- fixing

That sort of looks like it could be data loss, can someone explain what
happened?

Brad.

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