James Mello wrote: > > Large amounts of data brings in even more issues. How do > > you stream Petabytes of data to tape in a resonable of time? > > Unless you spend HUGE amounts of money to buy multiple > > silos to handle slices of the data and put in a fantastic network > > to handle the traffic, you can't backup in a reasonable amount > > of time. In this case, disk is your only choice. The data size > > break point between disk and tape depends on lots of things, > > but that point is moving downward all the time (perhaps in > > the Terabyte range). > > Petabytes are another matter entirely. If you must absolutely have that > much data backed up, you start looking at more exotic solutions. Backing > up solely to disk is *way* to expensive, hence the wonderful, but of > poorly implemented idea of HSM.... Disk and tape :) Yes, HSM has never panned out the way it was supposed to. However, try backing up Petabytes with tape in a reasonable amount of time. While I've never configure such a system, the numbers from systems I have seen indicate that disk is much cheaper than tape (even if tape is a feasible solution because of speed). Jeff > > -- Cheers > -- James > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
