[tech] the aftermath

Adrian Chadd adrian at ucc.gu.uwa.edu.au
Tue Nov 18 13:58:59 WST 2003


On Sat, Nov 15, 2003, David Luyer wrote:
> On Sun, Aug 17, 2003 at 07:11:00PM +0800, Adrian Chadd wrote:
> > On Sun, Aug 17, 2003, Nick Bannon wrote:
> > > On Sun, Aug 17, 2003 at 11:43:03AM +0800, Adrian Chadd wrote:
> > > > .. once the network upgrade happens. It'll suck otherwise.
> > > > What about a firewire caddy and a fat removeable hard disk?
> > > 
> > > Those are useful, but insufficient. They save us from "oh dear the
> > > hardware exploded", but they don't help for "someone fucked up the
> > > config/deleted something/rootkit'ed the machine but no-one noticed
> > > until a month later".
> > 
> > Err, thats an application layer thing, _not_ the physical media.
> > you can do incremental (dump, rsync, tar, etc) backup/restores
> > quite happily onto hard disk.
> 
> Has anyone done copy-on-write snapshots for Linux or *BSD?
> (most SANs do them, but I can't think of a Unix FS which does)

FreeBSD does copy-on-write UFS snapshots in FreeBSD-5.





Adrian




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