Instead, we recommend that you install the latest TL or SP, since these are tested as a unit and they go through a longer test cycle.
相反，我们建议您安装最新的TL或SP，因为将它们作为一个单元进行了测试，并且经历了较长的测试周期。
Installing a TL is an "all or nothing" operation.
安装一个TL是一个“全或无”的操作。
Installing a partial TL is not recognized from a support standpoint.
从支持的观点上看，安装一部分TL是不可能。
Applying a TL to an inconsistent AIX will not only damage the operating system, but it can also make it unbootable.
应用TL到不一致的AIX不仅会破坏操作系统，而且它可能导致操作系统无法启动。
The system currently has a need for a fix, which is present on the new TL.
系统目前需要一个修复程序，但是这个程序只在新版本TL 中支持。
Also, TL updates should always be committed because they cannot be rejected.
同时，TL更新必须提交，因为它们是不能够被拒绝的。
If a TL has been applied and needs to go back to the previous version, then a fallback plan is needed.
如果一个TL已经应用但是您需要返回之前的版本，那么您就需要使用一个回滚计划。
The first TL includes hardware features, enablement, and software services.
第一个TL包括硬件特性、支持和软件服务。
When should you actually perform a TL upgrade?
何时应当实际执行一次TL升级？
In contrast, AIX is broken down into four main operating system levels: version, release, technology level (TL), and service pack (SP).
相比之下，AIX分为四个主要的操作系统级别：版本、发行版、技术级(TL)和服务包(SP)。
Furthermore, it allows you to configure policies to automatically download either entire TL upgrades, service packs, or even interim fixes.
此外，它允许您配置策略来自动下载完整的TL更新、服务包，甚至是中间补丁。
A new function provided in a new TL is needed.
新版本TL提供了一个您需要的新功能。
Now create the alternate disk and apply the TL update to it.
现在可以创建备用磁盘，然后将TL更新应用到这个磁盘上。
Finally, how do you actually perform a TL upgrade?
总体而言，您如何实际执行一次TL更新？
This is one of the most used practices to apply a new TL.
这是一个最广泛使用的应用新版本TL的方法。
The new strategy also includes a longer period of support for each OS TL.
新增的策略还包括对每个OSTL的更加长期的支持。
The new server update strategy also promises improved serviceability throughout the life of TL.
新的服务器更新策略还允诺在TL生命周期期间提供更好的可用性。
The new IBM methodology dictates two TL releases per year.
新的IBM方法每年指定两个TL发行版。
This is done by allowing you to maintain your operating system by installing service packs and PTFs throughout the entire lifecycle of the TL.
具体方法是允许您通过在TL的整个生命周期期间安装服务包和PTF来维护操作系统。
TL is a set of fixes, and new features added to an AIX version or new hardware support.
TL是为aix版本或新硬件支持所添加的一组修复程序或新特性。
It shows the approved and supported TL upgrades methods provided by IBM.
它介绍了IBM提供的已批准和支持的TL升级方法。
Even the nomenclature has changed from maintenance level (ML) to technology level (TL).
专门术语也从维护级别(ML)改为技术级别(TL)。
In our case we did not have to, because the latest pack was already a part of the TL upgrade.
在我们的例子中则无需这样做，因为最新的包已经包括在TL升级中。
I like to upgrade at least once a year to a new TL.
我倾向于至少每年升级到一个新的TL。
If the existing TL is out or is about to go out of new fixes and service packs.
当前版本的TL不能使用或将不支持新的修复和服务程序包。
When your TL is going out of the available support period.
您的TL即将超出可用的支持期限。
If all prerequisite tasks have been completed (see Before you begin section), the TL update can be started.
如果所有前提任务都已经完成(参见开始前准备部分)，TL更新就会启动。
Starting in 2006, as part of the IBM new AIX 5L Service Strategy, a Maintenance Level (ML) is referred to as a Technology Level (TL).
从 2006 年起，作为IBM新的AIX5L服务策略中的一部分，维护级别 (ML)被称为技术级别 (TL)。
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