The usual problem with this sort of "handle this super-rare event when it happens" code is that it is poorly tested in practice. Should you trust it?
On Thu, Sep 26, 2013 at 11:46 PM, Robbert van Dalen < [email protected]> wrote: > Hi, > > ZFS has de-duplication built on top of SHA256 hashes. > If the verify option is also enabled, it is possible for ZFS to work > around detect hash collisions (although this option slows things down > further). > > But ZFS can be considered as a kind of 'central authority' so its > de-duplication scheme may not work in a distributed setting. > > Regards, > Robbert. > > On Sep 27, 2013, at 2:50 AM, Wolfgang Eder <[email protected]> wrote: > > > hi, > > in recent discussions on this list, the idea of using hashes to > > identify or even name things is often mentioned. > > in this context, hashes are treated as being unique; > > > > albeit unlikely, it *is* possible that hashes are equal > > for two distinct things. are there ideas about > > how to handle such a situation? > > > > thanks and kind regards > > wolfgang > > _______________________________________________ > > fonc mailing list > > [email protected] > > http://vpri.org/mailman/listinfo/fonc > > _______________________________________________ > fonc mailing list > [email protected] > http://vpri.org/mailman/listinfo/fonc >
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