[Discuss] LVM Re: A really interesting chain of functionality

[jabr at blu.org (John Abreau)]

On Tue, Sep 27, 2011 at 1:07 PM, Tom Metro <tmetro-blu at vl.com> wrote:

> If you've ever played with rsync snapshots, the principle is the same,
> only at the file level instead of the block level. With rsync snapshots
> you have a set of real files, and then one or more directory trees that
> consist of nothing but symlinks to the real files, with the exception of
> any files that have changed.
>
> Modified files are written as real files, while unmodified files are
> written as a symlink.


Minor nit: rsync snapshots use real links, not symlinks.


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John Abreau / Executive Director, Boston Linux & Unix
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