要适当地计划可用性有大量的因素需要考虑。
A number of factors must be considered to appropriately plan for availability.
因为这可以在计划内停机期间保持系统正常运行，从而提高可用性。
Because it allows one to increase their availability by keeping systems up during planned outages.
为了对其向客户提供的菜单进行计划，他们需要验证其供应商提供的食品的可用性和价格。
In order to plan the menus they offer to their customers, they need to verify the availability and the prices of the food items from their supplier.
如何计划必需的冗余服务器数量必须以一种方式来管理，以便使其保持在一个合理的预算内，从而拥有一定的可用性保证。
How to plan the number of required redundant servers has to be conducted in such a way so as to stay within some reasonable budget, yet have some assurances of availability.
本书的目标读者：如果你计划为网站或其他软件产品进行可用性测试，或者设计一个全新的产品，那么本书非常适合你阅读。
Who this book is for: If you plan to conduct usability testing on your site (or other software products) and are new to it, this book is for you.
这让系统能够在计划内停机期间正常运行，从而提高系统的可用性。
This increases the availability of systems by allowing the system to keep running during planned outages, without incurring downtime.
例如，没有计划高可用性配置。
For example, no configuration for high availability was planned.
由于其计划、资源可用性和其他业务约束会导致一些延迟。
Some of the delay resulted from their schedules, availability of resources, and other business constraints.
这种可用性级别通常被称为“五个9”或99.999%可用性，即可以理解为每年计划内和计划外的中断总共刚刚超过5分钟。
This availability level is often referred to as the "Five 9s" or 99.999% availability, which translates into just over 5 minutes per year of planned or unplanned outages in total.
因此，对每一个组件的全面可用性测试计划将包括
So, a comprehensive availability test plan would include, for each component
本书并不是为以下人群所写：没有计划，或者不确定是否要进行可用性测试的人。
Who this book isn’t for: anyone who doesn’t plan to test (and are sure about it).
草拟一个提高产品在页面设计、页面流程、功能性、重新组织等等方面可用性的计划(请看图15和图16)。
Draw up a plan to improve the product's usability in page layout, page flow, functionality reorganization, etc. (See Figure 15 and Figure 16.)
10月份三周来的可用性测试中，Masiluleke计划促使约翰内斯堡国家艾滋病帮助热线每日电话总量增加了接近200%，Pop ！
During three weeks of usability testing in October, Project Masiluleke helped increase average daily-call volume to the National AIDS Helpline in Johannesburg by nearly 200 percent, said Pop!
Amazon还支持跨可用性区域复制rds，所以如果一个区域出现故障或一个区域中计划了一个维护时窗，您仍然可以提供数据。
Amazon also allows you to replicate RDS across availability zones, so if one zone goes down or there is a maintenance window scheduled in a zone, you still can serve data.
DrupalV7的研发也有了初步计划，但要预测其针对Web站点制作的可用性或适合性还为时过早。
There is also a nascent effort to create Drupal V7, but it is far too soon to predict its availability or suitability for production Web sites.
它针对高可用性设计，可实现在发生计划内和计划外的故障时，业务仍能持续。
It is designed for high availability to allow for business continuity in the event of planned and unplanned outages.
尽管同一数据的其他格式也可用，但基于XML结构的可用性进行计划是一种最安全的方式。
Although the same data might be available in other formats too, it is a safe bet to plan on the availability of an XML structure.
可用性：计划中或非计划中的宕机很可能以不同方式影响端点系统。
Availability: scheduled or unscheduled outages are likely to affect endpoint systems in different ways.
在建立一个高可用性群集时，必须为一些关键条目制定计划。
You must plan for several key items when setting up an HA cluster.
高可用性环境需要保证正常运行时间，而良好的WebSphereApplicationServer迁移计划可帮助您实现这些承诺。
Highly available environments need to guarantee uptime, and a well-planned WebSphere Application Server migration can help you meet those commitments.
我们计划在接下来的2~3个beta版中提升它的可用性。
We planned to improve usability in the next 2-3 beta-versions.
我们计划在接下来的2~3个beta版中提升它的可用性。
We planned to improve usability in the next 2-3 beta-versions.
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