Patent ID: 9454445
Filing Date: 2016-09-27
CPC Classification: G06F

Claim Text:
1. A fault tolerant server comprising: a first physical computer on which a virtual computer of an active system operates; and a second physical computer on which a virtual computer of a standby system operates, wherein the virtual computer of the active system includes a memory including a plurality of small regions grouped in a first group and a plurality of small regions grouped in a second group, the first physical computer includes: a non-uniform unit that makes a guest OS, operating on the virtual computer of the active system, believe that access distances to memory regions including the small regions are non-uniform, wherein the small regions in the first group are small regions on the memory regions each having an access distance less than an access distance threshold, and the small regions in the second group are small regions on the memory regions each having an access distance not less than the access distance threshold.