At 22:52 5/04/01 -0400, Tom Lane wrote:
>
>> What about guarding against file system problems, like blocks of one
>> (non-PG) file erroneously writing to blocks of another (PG table) file?
>
>Well, what about it? Can you offer numbers demonstrating that this risk
>is probable enough to justify the effort and runtime cost of a block
>CRC?
Rhetorical crap aside, I've had more file system falures (including badly
mapped file data) than I have had disk hardware failures. So, if you are
considering 'bits dropped in transit', you should also be considering data
corruption not related to the hardware.
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