Messages in this thread | | | Date | Wed, 09 Aug 2006 02:40:54 -0600 | From | Hans Reiser <> | Subject | Re: the " 'official' point of view" expressed by kernelnewbies.org regarding reiser4 inclusion |
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Edward Shishkin wrote:
> Hans Reiser wrote: > >> Edward Shishkin wrote: >> >> >>>> >>>> How about we switch to ecc, which would help with bit rot not sector >>>> loss? >>> >>> >>> >>> Interesting aspect. >>> >>> Yes, we can implement ECC as a special crypto transform that inflates >>> data. As I mentioned earlier, it is possible via translation of key >>> offsets with scale factor > 1. >>> >>> Of course, it is better then nothing, but anyway meta-data remains >>> ecc-unprotected, and, hence, robustness is not increased.. >>> >>> Edward. >> >> >> >> Would you prefer to do it as a node layout plugin instead, so as to get >> the metadata? >> > > Yes, it looks like a business of node plugin, but AFAIK, you > objected against such checks:
Did I really? Well, I think that allowing users to choose whether to checksum or not is a reasonable thing to allow them. I personally would skip the checksum on my computer, but others....
It could be a useful mkfs option....
> currently only bitmap nodes have > a protection (checksum); supporting ecc-signatures is more > space/cpu expensive. > > Edward. > >
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