Re: CRCs

From: Daniele Orlandi <daniele(at)orlandi(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: CRCs
Date: 2001-01-13 01:41:53
Message-ID: 3A5FB261.9743EB84@orlandi.com
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Nathan Myers wrote:
>
> It wouldn't help you recover, but you would be able to report that
> you cannot recover.

While this could help decting hardware problems, you still won't be able
to detect some (many) memory errors because the CRC will be calculated
on the already corrupted data.

Of course there are other situations where CRC will not match and
appropriately logged is a reliable heads-up warning.

Bye!

--
Daniele

In response to

  • Re: CRCs at 2001-01-12 22:54:45 from Nathan Myers

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