在发生“过量使用”时，Hypervisor使用VIOS上的分页设备存储过剩的逻辑内存。

In the case of "over-commitment," the Hypervisor backs the excess logical memory using the paging devices on the VIOS.

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简单地说，是将服务器物理资源(CPU、内存、存储)抽象成逻辑资源和呈现给用户。

At its simplest, it is an abstraction of the server's physical resources (CPU, memory, storage) from the logical resources presented to consumers.

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而当在单独的内存段中创建F CM缓冲区时，在同一物理节点上的不同逻辑分区的FCM守护进程间的通信将通过共享存储器进行。

When the FCM buffers are created in a separate memory segment, the communication between FCM daemons of different logical partitions on the same physical node occurs through Shared memory.

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