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SubjectRe: Transparent compression in the FS
Jeff Garzik wrote:
> Val Henson wrote:
>> of many kinds of hardware errors. Further analysis shows that this
>> approach is not as risk-free as it seems at first glance."
>
>
> I'm curious if anyone has done any work on using multiple different
> checksums? For example, the cost of checksumming a single block with
> multiple algorithms (sha1+md5+crc32 for a crazy example), and storing

With sha1 you probably have 8-9 nines reliability.
You can improve this - but still adding nines doesn't mean it
(reliability) becomes 100%.

my 0.02c.

--
Ihar 'Philips' Filipau / with best regards from Saarbruecken.
--
"... and for $64000 question, could you get yourself vaguely
familiar with the notion of on-topic posting?"
-- Al Viro @ LKML

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