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    SubjectRe: [PATCH v2 0/5] Add movablecore_map boot option
    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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