Circular logging only affords you a version recovery.
循环日志只能支持版本恢复。
Circular logging was used, with 100 primary logs allocated.
测试使用循环日志记录方式，一共分配了100个主日志。
OFF - The default setting to indicate circular logging to be used.
OFF——默认设置，表示使用循环日志模式。
With circular logging, only offline full database backup is possible.
在使用循环日志时，只能进行离线全数据库备份。
Circular logging is the default option when creating a queue manager.
循环日志记录是创建队列管理器时的缺省选项。
Circular logging is the default logging strategy used for a database.
循环日志记录是数据库使用的缺省日志记录策略。
Circular logging: Circular logging is the default logging mode for DB2.
循环日志：循环日志是DB2的默认日志模式。
Availability - With circular logging mode, only offline full backup is possible.
可用性——在使用循环日志模式时，只能进行离线全备份。
If you are using circular logging, offline backup is the only type of backup supported.
如果您正在使用循环日志记录，脱机备份是惟一受支持的备份类型。
IDS does not restrict you from taking online backup even in the case of circular logging.
在IDS中，即使在循环日志机制下，对在线备份也没有严格的要求。
If the database is in a circular logging mode, only offline backup of the database is allowed.
如果数据库处于循环日志记录模式，只允许脱机备份数据库。
With this method, circular logging is used and logs can be overwritten in a round robin manner.
采用这种方法时，使用循环日志模式，可以以循环方式重写日志。
When using circular logging log file extents are reused once they no longer contain active log data.
使用循环日志记录时，当日志文件扩展不再包括活动数据日志时，会将其进行重新使用。
With circular logging, if the logretain or the userexit parameter are set to no, log files are reused.
使用循环日志记录时，如果logretain或userexit参数被设置成no，就会重用日志文件。
Backing up individual table Spaces is not supported while the database is in circular logging mode.
在数据库处于循环日志记录模式时，单个表空间的备份不受支持。
For circular logging, both log retain for recovery status and user exit for logging status are set to NO.
对于循环日志记录，logretain forrecoverystatus和userexitforlogging status都被设为NO。
When you choose to use circular logging (the default), the only choice is to do an offline backup and version recovery.
当选择使用循环日志记录(默认情况下选择这种日志记录)时，惟一的选择是执行脱机备份和版本恢复。
Circular logging is typically used in data warehouse environments where the need to recover a database is just a matter of restoring a database image.
循环日志记录通常在数据仓库环境中使用，在该环境中，恢复数据库需要的只是恢复数据库映象的问题。
The default values for these parameters are OFF, which indicates circular logging mode to be used. There are five values you can set for these two parameters
这些参数的默认值是OFF，这表示使用循环日志模式。
Be aware that if you decide to use circular logging and offline recovery as your backup strategy, all transactions after the last offline backup will be lost.
注意，如果决定使用循环日志记录和脱机恢复作为您的备份策略，那么最后一次脱机备份以后的所有事务都将丢失。
A log can be reused in circular logging as long as it only contains information about transactions that have already been committed and externalized to the database disk.
只要日志中包含关于已经提交并外部化到数据库磁盘上的事务的信息，就可以以循环日志的形式重用该日志。
Before any attempts to back up a database online, first and foremost, the logging mechanism needs to be modified from the default circular logging to archive logging.
在对数据库进行在线备份之前，首先需要将日志机制从默认的循环日志改为存档日志。
In this case, the database manager deletes all log files in the logpath directory (including online archive log files), allocates new active log files, and reverts to circular logging.
在这种情况下，数据库管理器会删除logpath目录中的所有日志文件(包括联机归档日志文件)，分配新的活动日志文件，并且回复到循环日志记录。
This strategy should not be a choice in an on-line transaction processing (OLTP) environment since roll-forward recovery is not possible. Figure 1 below illustrates circular logging.
该策略不应该用在线事务处理(on - line transaction processing,OLTP)环境，因为它不可能进行前滚恢复。
In contrast to circular logging, the archival logging process creates a new log file when the last log file is filled so that future transactions will not overwrite existing log files.
与循环日志记录相比，当最后一个日志文件写满时，归档日志记录过程会创建一个新的日志文件，这样将来的事务就不会覆盖现有的日志文件。
In this situation, the database manager deletes all log files in the logpath directory (including online archive log files), allocates new active log files, and reverts to circular logging.
在这种情况下，数据库管理器会删除logpath目录中的所有日志文件(包括联机归档日志文件)，分配新的活动日志文件，并且回复到循环日志记录。
Logging type, either circular or archived.
日志类型，循环或存档。
RETAIN means that the logging is no longer circular but archival, and therefore you need to have an initial backup before you continue.
RETAIN意味着日志记录不再是循环的，而是归档的，因此需要在继续设置之前进行一次初始备份。
As the name implies, this type of logging reuses the logs in a circular mode.
正如其名字所暗示的一样，这种类型的日志可以以循环模式重用日志。
At a minimum, implement circular transaction logging for greater data integrity and faster restarts.
至少，实现循环事务日志记录以得到更好的数据完整性和更快的重新启动速度。
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