BackupBuddy Multisite |BackupBuddy 多站点启用

BackupBuddy Multisite
Introduction

Multisite support is an EXPERIMENTAL FEATURE provided in BackupBuddy to AID you in importing and exporting subsites with Multisite. Due to the nature of Multisite, we cannot provide the same level of thoroughness in migrations as with standalone sites. You should NOT expect as smooth of an experience and we only recommend advanced users attempt to use Multisite functionality due to this. As WordPress Multisite functionality is much more technically complex, some BackupBuddy features available for standalone sites are NOT supported for Multisite environments. Please carefully review the features, differences and limitations so that you are aware of them and are sure it will meet your needs.

BackupBuddy Multisite is an EXPERIMENTAL product. As such, you may encounter issues using it and we cannot necessarily insure flawless functionality or that issues encountered will be resolved in as timely manner as non-experimental features. Usage of it in a production environment is at your own risk; Import/Export functionality is quite solid but Network migrations have some issues which require additional intervention to fully complete if the URL changes (see limitations below for full details). There is currently not a specific ETA on when the EXPERIMENTAL tag will be removed. It will be removed once we believe Multisite functionality to be as solid and reliable as the BackupBuddy standalone many have come to love.

Installation note: BackupBuddy Multisite support is EXPERIMENTAL software and should NOT be used on live sites. BackupBuddy should be Network Activated when installed on a Multisite Network for experimental testing. You must add the following line to your wp-config.php to activate these experimental features: define( ‘PB_BACKUPBUDDY_MULTISITE_EXPERIMENT’, true );
Features & Limitation Notes

IMPORTANT: BackupBuddy Multisite does NOT support migrating entire Networks to a different URL. If you attempt to do so then only the main site URLs will be migrated and you must manually update all subsite URLs, for instance using the Server Information Page’s Mass Database Replace Tool.
Backup entire Multisite Network
Limitations:
As a Network can contain many subsites, each subsite increases the amount of time needed to perform a backup, especially if the sites are large. This can demand more server resources or more PHP runtime. Most shared hosting does not permit increasing these resources so BackupBuddy may not be able to finish backups under these conditions. If you have access to modify these settings, Maximum PHP runtime is a key setting to increase as needed.
WordPress 3.5 Multisite has introduced multiple problems with site imports related with both file uploads and user imports. Some workarounds: http://ithemes.com/forum/topic/37186-backupbuddy-ms-import-not-working-on-wp-35-multisite/
Restore entire Multisite Network (same server & URLs)
Limitation: As a Network can contain many subsites, each subsite increases the amount of time needed to perform a restore, especially if the sites are large. This can demand more server resources or more PHP runtime. Most shared hosting does not permit increasing these resources so BackupBuddy may not be able to finish restores under these conditions. If you have access to modify these settings, Maximum PHP runtime is a key setting to increase as needed.
Migrate entire Multisite Network (different server or URLs)
Limitation: When migrating a Network to a new server or changing URLs, domains, or moving a Network in or out of a subdirectory, BackupBuddy will only migrate the database tables associated with the MAIN site. Due to technical reasons BackupBuddy currently will not automatically migrate URLs or paths of any other subsites within the migrated network. If the URLs or paths of subsites need to be updated you may perform this procedure by using the ‘Mass Database Text Replacement’ tool on the ‘Server Information’ page within BackupBuddy for each subsite you need to update.
Limitation: You cannot change from sub-domains to sub-directory URL structure using BackupBuddy Multisite nor can you change from sub-directories to sub-domain URL structure.
Limitation: As a Network can contain many subsites, each subsite increases the amount of time needed to perform a migration, especially if the sites are large. This can demand more server resources or more PHP runtime. Most shared hosting does not permit increasing these resources so BackupBuddy may not be able to finish migrations under these conditions. If you have access to modify these settings, Maximum PHP runtime is a key setting to increase as needed.
Export a subsite from the Network
Exported subsites may be imported back into the same network (AKA Duplicated), imported into another Network, or restored as a standalone WordPress site using the importbuddy.php tool.
Limitation: The main Network [sub]site cannot be exported as it is tied to the Network. It is still included in the main


BackupBuddy多站点
介绍

多站点支持是BackupBuddy提供的一项实验功能,可帮助您使用多站点导入和导出子站点。由于多站点的特性,我们无法提供与独立站点相同的迁移彻底性。您不应该期望体验顺畅,我们只建议高级用户尝试使用Multisite功能。由于WordPress多站点功能在技术上更复杂,因此可用于独立站点的一些BackupBuddy功能不支持Multisite环境。请仔细查看功能,差异和限制,以便您了解它们并确保它能够满足您的需求。

BackupBuddy Multisite是一款实验性产品。因此,您可能会遇到使用它的问题,我们不一定能确保完美的功能,或遇到的问题将以非实验性功能及时解决。在生产环境中使用它需要您自担风险;导入/导出功能非常稳定,但网络迁移有一些问题,如果URL更改(请参阅下面的全面详细信息的限制),需要额外干预才能完全完成。目前,EXPERIMENTAL标签将被删除的时候还没有特定的ETA。一旦我们认为Multisite的功能与BackupBuddy独立的许多人都喜欢的一样稳固可靠,它就会被移除。

安装说明:BackupBuddy多站点支持是实验性软件,不应在现场使用。安装在Multisite网络上进行实验测试时,BackupBuddy应该是网络激活的。您必须将以下行添加到您的wp-config.php以激活这些实验性功能:define(’PB_BACKUPBUDDY_MULTISITE_EXPERIMENT’,true);
功能和限制说明

重要提示:BackupBuddy Multisite不支持将整个网络迁移到其他网址。如果您尝试这样做,那么只有主站点URL将被迁移,并且您必须手动更新所有子站点URL,例如使用服务器信息页的批量数据库替换工具。
备份整个多站点网络
限制:
由于网络可以包含许多子网站,因此每个子网站都会增加执行备份所需的时间,尤其是在网站较大的情况下。这可能需要更多的服务器资源或更多的PHP运行时。大多数共享主机不允许增加这些资源,因此BackupBuddy可能无法在这些条件下完成备份。如果您有权修改这些设置,则最大PHP运行时间是根据需要增加的关键设置。
WordPress 3.5多站点引入了与文件上传和用户导入相关的网站导入的多个问题。一些解决方法:http://ithemes.com/forum/topic/37186​​-backupbuddy-ms-import-not-working-on-wp-35-multisite/
恢复整个多站点网络(相同的服务器和URL)
限制:由于网络可能包含许多子网站,因此每个子网站都会增加执行还原所需的时间,尤其是在网站较大的情况下。这可能需要更多的服务器资源或更多的PHP运行时。大多数共享主机不允许增加这些资源,因此BackupBuddy可能无法在这些条件下完成恢复。如果您有权修改这些设置,则最大PHP运行时间是根据需要增加的关键设置。
迁移整个多站点网络(不同的服务器或URL)
限制:在将网络迁移到新服务器或更改URL,域或将网络移入或移出子目录时,BackupBuddy只会迁移与MAIN站点相关联的数据库表。由于技术原因,BackupBuddy目前不会自动迁移迁移网络中任何其他子网站的URL或路径。如果需要更新子网站的URL或路径,则可以通过在BackupBuddy的“服务器信息”页面上为需要更新的每个子网站使用“大量数据库文本替换”工具来执行此过程。
限制:您无法使用BackupBuddy多站点从子域更改为子目录URL结构,也不能从子目录更改为子域URL结构。
限制:由于网络可以包含许多子网站,因此每个子网站都会增加执行迁移所需的时间,尤其是在网站较大的情况下。这可能需要更多的服务器资源或更多的PHP运行时。大多数共享主机不允许增加这些资源,因此BackupBuddy可能无法在这些条件下完成迁移。如果您有权修改这些设置,则最大PHP运行时间是根据需要增加的关键设置。
从网络中导出一个子网站
导出的子网站可以导入到同一网络(AKA重复),导入到另一个网络,或使用importbuddy.php工具作为独立的WordPress网站进行恢复。
限制:主网络[子]网站无法导出,因为它与网络绑定。它仍然包含在主体中

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