Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: [ANNOUNCE] Ramback: faster than a speeding bullet | Date | Thu, 13 Mar 2008 11:02:47 -0800 |
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On Thursday 13 March 2008 06:27, Ric Wheeler wrote: > >>> So "perfectly reliable if UPS power does not fail" seems a bit over the > >>> top. > >> It works for EMC :-) > > > > Where they control the hardware and run a rather specialized OS as well, > > not a general purpose system like Linux on "commodity" hardware ;-) > > Actually, in Centera we use generic hardware with a fairly normal kernel > which has strategic backports from upstream (libata, nic drivers, etc). > > No UPS in the picture. Data integrity is protected by working with the > application team to insure they understand when data is safely on the > disk platter and working with IO & FS people to try and make sure we > don't lie to them (too much ) about that promise. > > The centera boxes are tested with power failure & error injection and by > all of our customers in all those ways customers do ;-)
Hi Ric,
Right, so Linux has gotten to the point where it competes with purpose- built embedded software in reliability. Not quite there, but close enough for mission-critical.
I was not thinking of Centera when I mentioned the UPS though...
Daniel
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