Lee Revell wrote: > On Sun, Apr 5, 2009 at 7:54 AM, Ric Wheeler <ricwheeler@xxxxxxxxx> wrote: >> One thing to point out here is that there are a lot of "servers" in high end >> data centers that do not have UPS backup. Those racks full of 1U and 2U >> boxes that are used to make "grids", "clouds" and so on often are built with >> as much gear as you can stuff in a rack - no batteries or UPS to be seen, so >> they are really quite similar to the normal desktop or home systems that we >> normally run at home :-) > > These days even bargain basement data centers provide UPS functionality for > you, via generator backup and A/B power. > > Lee In that case, you can turn off barriers. It's still no excuse, IMHO, for us to ship a journaling filesystem configuration which is known to corrupt on power loss, by default. -Eric -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel