On 21 Oct 2005, Lowell Gilbert wrote:
> The snapshot doesn't know what the bits in the file are. All it knows > is that the file's data used to be, say in "block 1857" and now the > file's data are in "block 1956". The fact that both blocks are > identical is not detected. > > If you're really interested in this, I suggest reading a decent > operating systems book. It's a lot easier to understand the specific > implementation when you have a good grip on the standard terminology > and principles. Thanks very much for your help. I am going to read a book or two - my plan was to start with "the design adn implementation of the 4.4BSD OS", but I wanted to update it with more modern information - like snapshots, etc., which I will do with those URLs we have already posted RE: the snapshot work. If you have any others, let me know. _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
