Zh-hans:同步复制

From BCMpedia. A Wiki Glossary for Business Continuity Management (BCM) and Disaster Recovery (DR).
Revision as of 09:25, 10 August 2012 by Oldstaff-Cheechong (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
1. Synchronous Replication 同步复制仅在先前的一组数据完全写入到主存储和第二(远程)存储站点后,才允许向这些存储站点中写入新数据。

相关术语:同步、同步复制、数据保护/恢复策略-类型

注:这种方法的优点是两组数据总是同步的,缺点是如果两个存储磁盘之间的距离很大时,复制过程需要花费一段较长的时间,从而降低了向应用中写入数据的速度。


BCMBoK Competency Level
BCMBoK 4: Business Continuity Strategy CL 3D: Advanced (DR)

(Source: Business Continuity Management Institute - BCM Institute)