Messages in this thread |  | | Date | Thu, 29 Nov 2012 14:45:40 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH v2 0/5] Add movablecore_map boot option |
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On 11/29/2012 02:41 PM, Luck, Tony wrote: >> The other bit is that if you really really want high reliability, memory >> mirroring is the way to go; it is the only way you will be able to >> hotremove memory without having to have a pre-event to migrate the >> memory away from the affected node before the memory is offlined. > > Some platforms don't support cross-node mirrors ... but we still want to > be able to remove a node. >
Yes, well, those platforms don't support that degree of "really really high reliability", since the unannounced failure of the node controller will bring down the system.
-hpa
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