3 ms·
also getting multiple levels of redundancy doesn't necessarily need 1 X redundancy_level physical storage. see: http://en.wikipedia.org/wiki/Erasure_code http
by ryankshaw 14y ago
also getting multiple levels of redundancy doesn't necessarily need 1 X redundancy_level physical storage. see:
http://en.wikipedia.org/wiki/Erasure_code http://en.wikipedia.org/wiki/Erasure_code and
http://en.wikipedia.org/wiki/RAID#Comparison http://en.wikipedia.org/wiki/RAID#Comparison
- bryanlarsen 14y agoDoes this work with encrypted data, though? Properly encrypted data is indistinguishable from random data...
- ryankshaw 14y agoyes, the concept of erasure codes just works with the raw bits. so it would work equally for encrypted/unencrypted data from the wikipedia page, it "transforms a message of k symbols into a longer message (code word) with n symbols such that the original message can be recovered from a subset of the n symbols"