NMDA： Oracle 备份失败

Summary: Oracle 备份正在进行，但最终会失败，并显示错误“enqueue is not available”。

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Symptoms

Oracle 备份失败。
RMAN 错误：

waiting for snapshot control file enqueue
cannot make a snapshot control file
...
...
...

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup plus archivelog command at mm/dd/yyy hh:mm:ss
ORA-00230: operation disallowed: snapshot control file enqueue unavailable

Cause

当尝试执行需要快照控制文件入队操作但入队不可用时，会发生此错误。

Resolution

更改每日备份和日志备份的开始时间，以避免并发问题。
Article Properties
Article Number: 000228566
Article Type: Solution
Last Modified: 29 Oct 2024
Version:  1
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