术语 | catalog recovery area(CRA) |
释义 | catalog recovery area(CRA) 目录恢复区 In systems with VSAM, an entry-sequenced file that exists on each volume owned by a recoverable catalog, including the catalog volume itself. The CRA contains duplicates of the catalog entries describing the volume and the files it contains and can be used to recover a damaged or invalid catalog. 配有虚拟存储存取法(VSAM)的系统中的一个以条目为顺序的文件,它位于可恢复目录所占有的每一个卷上(包括目录卷本身)。CAD包含描述本卷以及所含的各种文件的目录表目副本。CRA可用来 恢复被破坏的目录或者无效目录。 |
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