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

[H. Peter Anvin]

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


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/