[plug] undelete files in ext3 file system

[James Devenish]

In message <3F544123.1000900 at postnewspapers.com.au>
on Tue, Sep 02, 2003 at 03:05:07PM +0800, Craig Ringer wrote:
> I think it would generally be best to have history accessed via a 
> separately mounted read-only FS,

Hehe, I'd like it *not* to be like this, if it's feasible for it not to
be.

> It's a concept a bit like snapshotting really, but a file-level
> snapshot updated at every change
> (preferably with a maximum frequency timer, too).

And size, too, if possible (though I don't know how this could be
handled at the level of filesytems -- perhaps the most granular level of
protection would be a "revision history disk quota"). I imagine that
continuous profiling might play a part in this.