EVENT:10212 check cluster integrity

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于 2013-03-19 00:32:00 发布

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文章标签：开发工具数据库

本文详细解析了Oracle数据库中的特殊事件ORA10212，解释了该事件并非错误而是用于启动集群块完整性检查的功能。文章指出，启用此事件会检查数据块的内容，并在发现数据块损坏时将其标记为软件损坏。建议仅在技术支持明确要求时使用此事件。

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Error:  ORA 10212
Text:   check cluster integrity
-------------------------------------------------------------------------------
Explanation:
        This is NOT an error but is a special EVENT code.
        It should *NOT* be used unless explicitly requested by RD support.

        Event 10212 enables cluster block integrity checking.
        The causes a number of checks on the contents of a block.
        If the block is found to be corrupt in some way it is marked as
        SOFTWARE CORRUPT.

        NB: Blocks are ONLY checked/corrupted when CHANGED. They are NOT checked
            when accessed for read.

        Take care with this as if there are blocks in the database which
        are being accessed happily but have a minor corruption this will
        mark the block as corrupt.

        Once a block in an cluster is marked SOFTWARE CORRUPT it is best to
        rebuild the entire cluster.

Usage:  event="10212 trace name context forever, level 10"

Articles:
        Data and Index block equivalents  <Oerr:10210> <Oerr:10211>