Besides the media itself, the most important element of a media server software is how up to date it is–you can’t watch videos if the server doesn’t know they’re there. Plex Media Server offers three ways to keep your media collection up to date so you always know what’s available.
除了媒体本身之外，媒体服务器软件最重要的元素是它的最新状态–如果服务器不知道它们在那里，则无法观看视频。 Plex Media Server提供了三种方式来使您的媒体收藏保持最新，以便您始终知道可用的媒体。
我为什么要这样做(Why Would I Want To Do Thisspan style=”font-weight: bold;”>)
There are three components to the Plex Media Server experience. There’s the media itself (like your TV shows), there’s the actual Plex Media Server that manages your media, and then there are the Plex client applications you access the server from via your Apple TV, your iPhone, or other devices.
Plex Media Server体验包含三个组件。 有媒体本身(例如电视节目)，有管理媒体的实际Plex Media Server，然后有Plex客户端应用程序，您可以通过Apple TV ，iPhone或其他设备访问该服务器。
Because you aren’t directly browsing the folders that contain your videos, it is critically important that Plex Media Server’s database be up to date. If you’re away on a business trip, for example, trying to catch up on your favorite shows, but Plex Media Server hasn’t updated to include the latest episodes, you’re out of luck. Until the library is updated, you won’t be able to watch them.
因为您不是直接浏览包含视频的文件夹，所以Plex Media Server的数据库是最新的，这一点至关重要。 例如，如果您出差在想赶上自己喜欢的节目，但是Plex Media Server尚未更新为包括最新的剧集，那您就不走运了。 在库更新之前，您将无法观看它们。
Thankfully, the Plex Media Server software has multiple ways you can ensure your media list is always current including manual updating and multiple ways to automate the update process.
值得庆幸的是，Plex Media Server软件有多种方法可以确保您的介质列表始终是最新的，包括手动更新和多种使更新过程自动化的方法。
如何手动更新您的图书馆 (How to Manually Update Your Library)
The simplest method is to manually update your library. Even if you follow the later steps in this guide and completely automate the update process, you should always be familiar with the manual update process as it’s a great way to force an immediate update.
最简单的方法是手动更新您的库。 即使您遵循本指南中的后续步骤并完全自动化更新过程，您也应该始终熟悉手动更新过程，因为这是强制立即更新的好方法。
To manually update your Plex library, log into the web control panel for your Plex Media Server. On the main page, select one of your libraries from the left hand navigation pane, as seen below, like your “TV Shows” library.
要手动更新Plex库，请登录Plex Media Server的Web控制面板。 在主页上，从左侧导航窗格中选择一个库，如下所示，例如“电视节目”库。
Within the library, click on the circular arrow icon in the upper right corner.
在库中，单击右上角的圆形箭头图标。
This will trigger a manual update for that library, and Plex Media Server will rescan the directories assigned to that library. Repeat this process for all other libraries (e.g. Movies and Music) you wish to update.
这将触发对该库的手动更新，并且Plex Media Server将重新扫描分配给该库的目录。 对您要更新的所有其他库(例如电影和音乐)重复此过程。
如何自动更新您的图书馆 (How to Automatically Update Your Library)
Manual updating is great if you need to force the update right that second, but for ease of use and really frictionless user experience, you really want to enable automatic updating. Not only is automatic updating supremely convenient for you, but it’s practically a necessity if you have other people in your house. If Plex is always up to date then you, the manager of the media server empire, won’t be pestered with questions about whether a favorite show is up to date.
如果您需要立即强制进行正确的更新，那么手动更新非常有用，但是为了易于使用和无摩擦的用户体验，您确实希望启用自动更新。 自动更新不仅给您带来极大便利，而且如果您家中有其他人，这实际上是必需的。 如果Plex始终保持最新状态，那么您(媒体服务器帝国的经理)就不会对是否喜欢的节目是否最新而感到困扰。
There are several ways you can automate library updates, and you’ll find all of them in a single menu within the settings of your Plex Media Server. Click on the Settings tool icon in the upper right corner of the Plex web interface.
有几种方法可以自动执行库更新，并且可以在Plex Media Server设置的单个菜单中找到所有这些更新。 单击Plex Web界面右上角的“设置”工具图标。
Within the Settings menu select the “Server” tab along the top navigation bar and then select “Library” from the left hand navigation panel.
在“设置”菜单中，沿着顶部导航栏选择“服务器”选项卡，然后从左侧导航面板中选择“库”。
To see all the available options we’ll be highlighting, you need to click on the “Show Advanced” button to fully expand the library options.
要查看我们将突出显示的所有可用选项，您需要单击“显示高级”按钮以完全扩展库选项。
With the advanced options visible, you’ll see the following entries in the Library settings menu:
在显示高级选项的情况下，您将在“库设置”菜单中看到以下条目：
There’s several options here and you should consider each one based on where your media is stored and your update needs.
这里有几个选项，您应该根据媒体的存储位置和更新需求考虑每个选项。
自动更新：几乎每个人的最佳选择 (Automatic Updates: The Best Option For Nearly Everyone)
The top option, “Update my library automatically”, is the ideal one. Nearly every Plex user should check it. The only time automated library updates aren’t a viable solution is for Plex users with their media stored on a different computer from the Plex Media Server program (since the automatic detection of folders doesn’t typically work for folders on a network share).
最理想的选择是“自动更新我的书架”。 几乎每个Plex用户都应该检查它。 对于Plex用户来说，唯一的自动库更新解决方案是不可行的解决方案，因为其媒体存储在与Plex Media Server程序不同的计算机上(因为文件夹的自动检测通常不适用于 络共享上的文件夹)。
Checking “Run a partial scan when changes are detected” is an additional option that can be paired with the automatic library update. This option will decrease library update time and amount of system resources used for library updates. It’s not a huge deal on a powerful system, but its a time saver regardless (and it’s quite useful if your Plex Media Server hardware is underpowered).
选中“在检测到更改时运行部分扫描”是可以与自动库更新配对使用的附加选项。 此选项将减少库更新时间和用于库更新的系统资源量。 在功能强大的系统上，这并不是什么大问题，但是无论如何，它都可以节省时间(如果Plex Media Server硬件的功率不足，则非常有用)。
预定的更新：非常适合 络共享上的媒体 (Scheduled Updates: Great for Media On Network Shares)
If you find that automatic library updating doesn’t work for your system, you can always use the “Update my library periodically” setting to set an update schedule. This option works for both local files and files located on a network share (that is, a computer other than the one Plex Media Server is installed on), since it manually scans the entire directory structure at the frequency you specify. You can specify the update frequency in increments as low as every 15 minutes all the way up to once a day.
如果发现自动库更新不适用于您的系统，则可以始终使用“定期更新我的库”设置来设置更新时间表。 此选项适用于本地文件和位于 络共享(即，安装了一台Plex Media Server以外的计算机)上的文件，因为它以您指定的频率手动扫描整个目录结构。 您可以以每15分钟为增量指定更新频率，一直到每天一次。
自动垃圾桶：您可能不需要的客房整理 (Automatic Trash: The Housekeeping You May Not Want)
Finally there’s a small consideration regarding library cleanup. By default, the option “Empty trash automatically after every scan” is checked. If you have a fixed library (e.g. all your media is on a specific server on fixed internal drives) it’s a good idea to leave this checked. That way if you delete a bunch of stuff from your media server, Plex will automatically tidy up after you and remove all the entries for that media.
最后，关于库清理有一个小考虑。 默认情况下，选中“每次扫描后自动清空垃圾箱”选项。 如果您有固定库(例如，所有媒体都位于固定内部驱动器上的特定服务器上)，则最好选中此复选框。 这样，如果您从媒体服务器中删除一堆东西，Plex将在您之后自动整理并删除该媒体的所有条目。
If, however, you use external drive that are sometimes removed from the Plex Media Server computer, you have media shared on the Plex Media Server that is located on a network share of another computer that isn’t always on, or some other situation where media you wish to keep in your library is not always online, do not check the “Empty trash” option. If you do, every time Plex runs an update scan and fails to see the offline media it will delete it (only to turn around and rescan the media, download all the metadata, and so on, the next time it’s online).
但是，如果您使用有时从Plex Media Server计算机上卸下的外部驱动器，则说明您在Plex Media Server上共享了媒体，该Plex Media Server位于另一台并不总是处于打开状态的计算机的 络共享中，或者您希望保留在媒体库中的媒体并不总是在线的， 请不要选中“清空垃圾箱”选项。 如果这样做，每次Plex运行更新扫描而看不到脱机媒体时，它将删除它(仅是转回并重新扫描媒体，下载所有元数据，等等，下一次联机)。
Once you have automatic updating configured just the way you want, you can sit back and enjoy one of the best benefits of Plex Media Server: always up-to-date and centralized management of your entire media collection.
一旦按照您想要的方式配置了自动更新，您就可以坐下来享受Plex Media Server的最大好处之一：始终对整个媒体收藏进行最新的集中管理。
翻译自: https://www.howtogeek.com/254357/how-to-update-your-plex-media-library-manually-and-automatically/
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