Re: ext3cow FS?

> I just found an article comparing Ubuntu Linux (7.04) to Vista, and one of
> the areas they compare is backups.   In that section they mention ext3cow,
> which was the first time I'd heard of it.
>
>  What are people's insights of ext3cow?   I haven't had to recompile a
> kernel in ages - it seems the default ones, for the most part, for Ubuntu
> and CentOS, anyway, are fully robust to handle whatever I throw at them.
>
>  So how does something like ext3cow for some kind of backup/restore fair?
>  What other similar tools do people use?   How about for systems that are
> actively in use that I may opt to insert this functionality, ideally without
> rebooting, but if needed, I would.