Similarly, accessing the physical devices is not possible from virtual instances.
类似地，也无法从虚拟实例中访问物理设备。
It is the device mapper's job to map these names correctly to the physical devices.
设备映射器的作用就是将这些名称正确地映射到物理设备。
These are the specific drivers that interface to the physical devices such as HBAs.
它们是一些可与物理设备(比如hba)链接的特定驱动器。
It connects to physical devices and distributes the resources to logical partitions.
它连接到物理设备，并将资源分配给各个逻辑分区。
Or, you can delete the logical and physical devices with the rmdev command outright.
还可以使用rmdev彻底删除逻辑和物理设备。
Their traffic comes secondhand from the physical devices that perform those tasks.
他们的流量间接来自现实这些功能的物理设备。
The next step establishes what physical devices from each node are connected to each network.
下一步是确定每个节点的哪个物理设备连接每个网络。
Fewer hardware resources mean less money to spend on electrical power and cooling for physical devices.
使用更少的硬件资源意味着花在物理设备的电力和冷却方面的钱更少。
But today, in our increasingly virtualized world, physical devices and services disappear into the ether.
但是今天，在我们不断虚拟化的世界中，物理设备和服务已经消失不见。
This is quite different from the physical devices that mechanical engineers design and construct, for example.
这同其他工程学(例如机械工程学)所设计并构造的物理设备存在很大的不同。
As a general rule, most applications work on zones out of the box, unless they require access to certain physical devices.
作为一般规则，大多数的应用程序都可以直接在区域中工作。
At the bottom are the physical devices that provide connectivity to the networks (serial or high-speed networks such as Ethernet).
底部是物理设备，提供了对网络的连接能力(串口或诸如以太网之类的高速网络)。
This new feature of AIX 6.1 has the effect of reducing the amount of physical devices necessary to support your logical environments.
AIX 6.1的这个新特性有助于减少支持逻辑环境所需的物理设备数量。
WideNoise has been built on a platform called OpenSpime, a protocol based on XMPP that enables physical devices to communicate with each other.
Widenoise已经建立起一个名为OpenSpime的平台，它是一个基于XMPP的协议，允许物理设备互相通讯。
Device emulation is an important part of the hypervisor, bridging the gap between virtual devices in the VM to physical devices below the hypervisor.
设备模拟是管理程序的重要部分，填补了VM中的虚拟设备和管理程序中的物理设备之间的缺口。
As stated earlier, capacity planning is an important element here and will dictate the number of physical devices that are required for a set of workloads.
如前所述，容量规划是这里的一个重要元素，它规定某个工作负载集所需的物理设备的数量。
Most of the file systems communicate through a buffer cache, which is a cache that optimizes access to the physical devices by caching recently touched data.
大多数文件系统都通过缓冲区缓存来相互通信，这种缓存通过缓存最近使用的数据来优化对物理设备的访问。
They sought to create a product that would enable developers to conduct live testing on real handsets without the hassle and cost of purchasing physical devices.
他们寻求创建一种产品，该产品能让开发人员在不用讨论及购买物理设备的情况下对实际的手机进行实时测试。
In the mount transcript in Listing 8, you can see the archivemount file system at the bottom and the typical physical devices mounted by a Linux machine at the top.
在清单8所示的mount脚本中，可以在底部看到archivemount文件系统，在顶部看到Linux挂装的典型物理设备。
This caching layer optimizes access to the physical devices by keeping data around for a short time (or speculatively read ahead so that the data is available when needed).
这个缓存层通过将数据保留一段时间(或者随即预先读取数据以便在需要是就可用)优化了对物理设备的访问。
Although it offers less accuracy than high-resolution timers, it is ideal for traditional driver time-outs that provide coverage of error cases when dealing with physical devices.
尽管它提供的精确性比高精确度计时器要低，但它对于在处理物理设备时提供错误覆盖的传统驱动程序超时来说比较理想。
The practical possibilities that brain-machine interfaces offer to disabled people can be grouped in two categories: Communication, and controlling physical devices and virtual devices.
脑机接口对残疾人的实用性可以分为两大类：交流，控制物理设备或虚拟设备。
So, instead of catching and emulating access to physical devices below the hypervisor, new processors provide DMA address translation and permissions checking for efficient device passthrough.
因此，新的处理器提供DMA地址转换和权限检查以实现有效的设备透传，而不是捕获并模拟对管理程序下的物理设备的访问。
JOSE MILLAN: "The practical possibilities that brain-machine interfaces offer to disabled people can be grouped in two categories: Communication, and controlling physical devices and virtual devices."
脑机接口对残疾人的实用性可以分为两大类：交流，控制物理设备和虚拟设备。
It lets you group and isolate your computing resources on their own network without running out Ethernet cables and physical network devices like in traditional it networks.
它允许您对其网络上的计算资源进行分组和隔离，无需像在传统IT网络中一样耗用以太网电缆和物理网络设备。
Devices can be hierarchical in how they are linked together, and some devices have both physical and logical representations.
设备可以按照它们的链接方式形成层次结构，一些设备同时有物理和逻辑表示。
Here, we see a set of physical assets such as servers, network devices, and storage disks offered as provisioned services to consumers.
这里，我们看到的是一套物理资产，如服务器、网络设备，以及作为供给服务提供给使用者的存储磁盘。
As discussed earlier, ZFS incorporates a volume-management function to abstract underlying physical storage devices to the file system.
正如前面所讨论的，ZFS合并了卷管理功能来提取底层物理存储设备到文件系统。
This is required in order for the virtual Ethernet devices to access the physical Ethernet adapter and the external network.
这是为了让虚拟以太网设备能够访问物理以太网适配器和外部网络。
This is required in order for the virtual Ethernet devices to access the physical Ethernet adapter and the external network.
这是为了让虚拟以太网设备能够访问物理以太网适配器和外部网络。
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