Messages in this thread | | | Date | Wed, 08 Apr 2009 23:22:42 -0500 | From | Eric Sandeen <> | Subject | Re: [dm-devel] Barriers still not passing on simple dm devices... |
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Lee Revell wrote: > On Sun, Apr 5, 2009 at 7:54 AM, Ric Wheeler <ricwheeler@gmail.com> 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
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