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Re: [dm-devel] Barriers still not passing on simple dm devices...
- From: Lee Revell <rlrevell joe-job com>
- To: Ric Wheeler <ricwheeler gmail com>
- Cc: ak linux intel com, Theodore Tso <tytso mit edu>, Linux Kernel Mailing List <linux-kernel vger kernel org>, device-mapper development <dm-devel redhat com>, Mikulas Patocka <mpatocka redhat com>, Jens Axboe <jens axboe oracle com>, Ric Wheeler <rwheeler redhat com>, "MASON, CHRISTOPHER" <CHRIS MASON oracle com>
- Subject: Re: [dm-devel] Barriers still not passing on simple dm devices...
- Date: Sun, 5 Apr 2009 21:14:42 -0400
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
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