在RS次要服务器上所做的外部备份。
在RS次要服务器上如何恢复外部备份？
How is restoring external backup done on the RS secondary server?
可以恢复备份以创建一台RS次要服务器。
恢复在RS次要服务器上所做的外部备份。
目前，rss次要服务器上只支持外部备份。
Currently, only external backup is supported on RSS secondary.
以下是在RS次要服务器上执行外部备份的必要条件。
The following are required to perform external backup on RS secondary.
次要服务：游戏与配件之贩售、代订及团购。
Sub Service: Game and accessory selling, ordering, group buying.
主要服务器将不会知道逻辑日志暂存在RS次要服务器上。
The primary server will not know that logical logs are staged at RS secondary server.
这意味着主要与RS次要服务器上的数据是同步的。
That means data is in sync at both the primary and RS secondary server.
从次要服务器获得的备份可以恢复到群集中的任意其他服务器。
The backup obtained from the secondary server is restorable to any other server in the cluster.
当次要服务器遇到检查点时，它将进入一种缓冲模式。
When the secondary encounters a checkpoint, it enters a buffering mode.
我们还说明了如何在RS次要服务器上制作外部备份。
We also explained how an external backup can be taken on an RS secondary server.
计划在RS 次要服务器上进行备份时，有一些注意事项
There are a few thing to take note of when planning backup on an RS secondary
以下步骤明确说明了如何在RS次要服务器上执行外部备份。
Below steps clearly describe performing external backup on RS secondary.
设置RS次要服务器上的DELAY_APPLY配置参数。
Set DELAY_APPLY configuration parameter at RS secondary server.
在这里，来自主要服务器的日志4与日志5都暂存在RS次要服务器上。
Here, log 4 and log 5 that are coming from primary server are staged at RS secondary server.
次要服务器将每个日志文件中的数据保存在单独的暂存文件中。
The secondary keeps data for each log file in a separate staging file.
使用onmode实用工具解除RS次要服务器的阻塞
RS次要服务器被阻塞，而逻辑日志位于如下突出显示的位置。
The RS secondary server is blocked while logical log is at highlighted position shown below.
在从暂存日志读取所有数据之后，HD r次要服务器将回到标准模式下。
HDR secondary goes to standard mode after reading all logs from staged.
示例2：从在rss上制作的备份创建一台HD r次要服务器。
Example 2: Creating an HDR secondary server from a backup taken on RSS.
下面的例子说明了如何在远处备用次要服务器上延迟应用日志文件。
The following examples show how you would delay applying the log files on the remote standby secondary server.
RS次要服务器继续从主要服务器接收逻辑日志，但不会应用它们。
The RS secondary server continues to receive logical logs from the primary but does not apply them.
示例1：恢复在RS次要服务器上所做的外部备份以创建新的RS次要服务器。
Example 1: Restoring a backup taken on RS secondary to create new RS secondary server.
使用onmode - cunblock解除RS次要服务器的阻塞。
在执行外部备份期间，来自主要服务器的逻辑日志暂存于RS次要服务器上。
During external backup, logical logs coming from primary are staged at RS secondary server.
不能使用在群集中另一台服务器上所做的1级或2级备份恢复从次要服务器获得的备份。
The backup obtained from the secondary server cannot be restored with Level 1 or Level 2 backups made on a different server in the cluster.
下一个例子显示了设置DELAY_APPLY时的RS次要服务器在线日志。
The next example shows the RS secondary server online log when DELAY_APPLY is set.
如果主要服务器失效，而日志暂存于HDR次要服务器上，会出现什么情况？
What happens when primary fails while logs are staged at HDR secondary?
当RS次要服务器阻塞之后，来自主要服务器的逻辑日志暂存于RS次要服务器上。
After the RS secondary server is blocked, the logical logs coming from the primary server are staged at the RS secondary server.
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