After the failure, the databases and the coordinator can eventually restart and use their recovery logs and recovery rules to insure data integrity as illustrated in Figure 3.

故障发生后，如图3所示，数据库和协调器最后可能会重新启动并使用恢复日志和恢复规则来确保数据完整性。

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An incomplete recovery is a recovery that involves rolling forward the redo logs to bring the database to timestamp as far as the roll forward allows you with some lost of data.

不完全恢复是这样的一种恢复，该恢复包括前滚重做日志，以便数据库恢复到某个时间戳，该前滚操作允许您丢失一些数据。

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The recovery log is used insure data integrity during recovery processing, which we will illustrate later.

在恢复处理时，使用恢复日志保证数据的完整性，这一点稍后说明。

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"The U.S.data should remind us that this recovery is not likely to be V-shaped It seems to me that we are going to see rising unemployment for a long time yet,"

VOA: standard.2009.08.05

For example, Symantec has started to offer Norton Online Backup, a data recovery software.

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Plus, cloud providers will have better procedures, more sophisticated and better data recovery procedures and more sophisticated firewalls.

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Greg Olson, director of World Wide Data Recovery Services for Eden Prairie, Minn.

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