ORA-15220: invalid file attribute specification ORACLE 报错 故障修复 远程处理
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ORA-15220: invalid file attribute specification
Cause: The keyword UNPROTECTED, MIRROR, HIGH, FINE, or COARSE was specified in a MODIFY FILE clause. These file attributes are immutable once a file is created.
Action: Specify a disk region keyword; for example, HOT, COLD, MIRRORHOT, or MIRRORCOLD.
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