客户端使用一个虚拟ip地址,通过公共网络连接到主系统数据库。
The client connects to the primary database using the public network using a virtual IP address.
映射给客户操作系统的物理内存实际上是映射给这个进程的虚拟内存。
The physical memory that is mapped for the guest operating system is actually virtual memory mapped into the process.
这种模型使用一个虚拟机,它在客户操作系统和原始硬件之间进行协调(参见图2)。
This model USES a virtual machine that mediates between the guest operating systems and the native hardware (see Figure 2).
在创建虚拟磁盘之后,就可以将客户操作系统加载到其上。
With your virtual disk created, load the guest operating system into it.
正如一个cpu允许多个操作系统进程来服务多个用户一样,一台数据库服务器虚拟处理器也可以运行多个线程来为多个SQL客户机应用程序提供服务。
Just as a CPU runs multiple operating-system processes to service multiple users, a database server virtual processor runs multiple threads to service multiple SQL client applications.
客户组织应能执行其对CSP变更文档及虚拟系统配置的审计;且。
The ability of the customer organization to perform its own audit of CSP change documentation and virtual system configurations; and.
当客户登记使用该系统支付现金时,需要以实物现金交换名为e-float【注3】的虚拟资金。
When a customer is registered with the system, paying in cash involves exchanging physical money for the virtual sort, called “e-float”, which is credited to his mobile-money account.
original选项指定客户操作系统的名称,因为它对于虚拟机管理器是已知的。
The original option specifies the name of the guest operating system as it is known to the virtual machine manager.
VMRUN指令允许虚拟机(及其相关的客户操作系统)一直运行,直到VMM重新获得控制权为止(这也是可配置的)。
The VMRUN instruction allows a virtual machine (and its associated guest operating system) to run until the VMM regains control (which is also configurable).
Trend昨天还发布了其新版本的DeepSecurity产品,一款实体和虚拟服务器的免客户端安全系统。
Trend has also released today a new version of its Deep security product, a clientless security system for both physical and virtual servers.
这里所提供的特定示例用于VMware或XEN虚拟映像中的WebSphereApplicationServerV6,并使用SUSEV10作为客户操作系统。
The specific example provided here is for WebSphere Application Server V6 in VMware or XEN virtual images, using SUSE V10 as the guest operating system.
最后,I/O通过一个稍加修改的QEMU进程(执行每个客户操作系统进程的一个拷贝)进行虚拟化。
Finally, I/O is virtualized through a lightly modified QEMU process (a copy of which executes with each guest operating system process).
对于一般的从业人员来讲,他们的第一反应会是在一个宿主机上运行一个或多个虚拟(客户)操作系统。
The first concept that comes to the mind of the average industry professional is running one or more guest operating systems on a host.
操作系统或应用程序可以直接运行,也可以作为虚拟机在客户机操作系统中运行。
The operating system or application can run natively or as a virtual machine on the client operating system.
这里讨论的技术不依赖于您选择的基础虚拟化技术和客户操作系统。
The techniques discussed here apply independently of the underlying virtualization technology and guest operating system you choose.
不管是哪种情况,新的CPU都提供将P ci物理地址映射到客户虚拟系统的方法。
In each case, the new CPUs provide the means to map PCI physical addresses to guest virtual addresses.
有了启用了虚拟化支持的引导内核,接下来的一个步骤是为客户操作系统创建一个磁盘映像。
Using a booted kernel with virtualization support enabled, the next step is to create a disk image for the guest operating system.
当这种映射发生时,硬件将负责访问(和保护),客户操作系统在使用该设备时,就仿佛它不是一个虚拟系统一样。
When this mapping occurs, the hardware takes care of access (and protection), and the guest operating system can use the device as if it were a non-virtualized system.
这样,多个处理器和其他资源就可以在多个客户操作系统上被虚拟化。
This permits multiple processors and other resources to be virtualized for a number of guest operating systems.
虚拟化的一个优势就是扩展了计算硬件的功能,可允许一台计算机(主机)通过运行多个客户操作系统实现多个角色。
An advantage of virtualization is extending the utility of computing hardware, enabling a single computer (the host) to fulfill several roles by running multiple guest operating systems.
这是因为每个客户操作系统都了解自己正在虚拟化模式中运行,因此每个系统都与系统管理程序协作,来实现底层硬件的虚拟化。
This is because each guest operating system is aware that it's being virtualized, so each cooperates with the hypervisor to virtualize the underlying hardware.
硬件虚拟化允许客户将单个系统划分为多个不同的分区。
Hardware virtualization has allowed customers to take a single system and carve it up into many different partitions.
系统管理程序之上是客户机操作系统,也称为虚拟机(VM)。
Above the hypervisor are the guest operating systems, also called virtual machines (VMs).
可以设置一些系统属性,来控制访问级别和虚拟机数据从JMX代理向管理客户机传递虚拟机数据的方式。
There are some system properties that you can set to control the level of access and the way in which VM data is transmitted from the JMX agent to the management client.
与一个CPU运行多个操作系统线程、服务多个用户一样,一个Informix虚拟处理器运行多个线程,服务多个SQL客户机应用程序。
Just as a CPU runs multiple operating system processes to service multiple users, an Informix virtual processor runs multiple threads to service multiple SQL client applications.
只需关闭客户操作系统(guest operating system),将设置更改为使用全部内存,然后启动虚拟机,如下面的图5所示。
You simply shut down the guest operating system, change the setting for total memory, and then start up the virtual machine, as shown in Figure 5 below.
正如前面介绍的一样,超虚拟化技术需要为hypervisor修改客户操作系统,这是它的一个缺点。
As I mentioned, paravirtualization requires the guest operating systems to be modified for the hypervisor, which is a disadvantage.
其核心是ControlProgram (CP),它为客户操作系统,包括Linux,提供了物理资源的虚拟化(参见图5)。
At its core is the Control Program (CP), which provides the virtualization of physical resources to the guest operating systems, including Linux (see Figure 5).
Xen是一个开源的超虚拟化解决方案,它虽然需要对客户操作系统进行修改,但可以通过与hypervisor 的协作获得接近原始系统的性能。
Xen is an open source paravirtualization solution that requires modifications to the guest operating systems but achieves near native performance by collaborating with the hypervisor.
Xen使PV方法(上一小节介绍过)得以流行,PV方法通过使客户操作系统驱动程序意识到它正在被虚拟化来减少性能降低幅度。
Xen popularized the PV approach (discussed in the previous section), which reduced the degradation of performance by making the guest operating system driver aware that it was being virtualized.
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