On Tue, Mar 11, 2003 at 09:46:16PM +0100, jon+lvm@silicide.dk wrote: > > My problem is, this does not currently look possible without a severe > > performance hit. If a volume has, for example, five active snapshots, > > then the deltas seem to get written five times, once per snapshot volume. > > How would you not do that ? You have to store the snapshots some how. It would be similar to netapp's snapshots. the active data blocks are shared with the snapshots until a change occurs in active, then active gets a new block and all the snapshots keep sharing the old block. :) Very fast, and low space usage. "Mmmm, WAFL ... <gargle gargle>" -- Homer Simpson, IT Manager ;) -- Randomly Generated Tagline: "To win, you must treat a pressure situation as an opportunity to succeed, not an opportunity to fail." - Gardner Dickinson
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