数据库操作报ORA-01114 ORA-29701错误

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通过分析发现磁盘/u01分区使用100%

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sqlplus / as sysdba 无法登陆

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清理trace,释放/u01空间之后,数据库恢复正常，mos中关于ORA-01114错误描述

APPLIES TO:
BI Publisher (formerly XML Publisher) - Version 11.1.1.7.x and later
Information in this document applies to any platform.

SYMPTOMS
 While generating reports the following error occurred.

oracle.xdo.XDOException: java.sql.SQLException: ORA-01114: IO error writing block to file (block # ) 
ORA-01114: IO error writing block to file 201 (block # 755561) 
ORA-27072: File I/O error Additional information: 4 
Additional information: 755561 Additional information: 36864

CHANGES
 

CAUSE
 The issue is caused due to DB not having enough space.

SOLUTION
Cleared space in DB and the report worked fine.