At 18:25 5/04/01 -0400, Tom Lane wrote:
>
>A block-level CRC might be useful to guard against long-term data
>lossage, but Vadim thinks that the disk's own CRCs ought to be
>sufficient for that (and I can't say I disagree).
>
>So the only real benefit of a block-level CRC would be to guard against
>bits dropped in transit from the disk surface to someplace else
What about guarding against file system problems, like blocks of one
(non-PG) file erroneously writing to blocks of another (PG table) file?
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