Re: CRCs - Mailing list pgsql-hackers

From Daniele Orlandi
Subject Re: CRCs
Date
Msg-id 3A5FB261.9743EB84@orlandi.com
Whole thread Raw
In response to RE: CRCs  ("Mikheev, Vadim" <vmikheev@SECTORBASE.COM>)
List pgsql-hackers
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


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