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: currently only bitmap nodes have a protection (checksum); supporting ecc-signatures is more space/cpu expensive. Edward. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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