标题: ORA-02821: Unable to read the requested number of blocks. [打印本页] 作者: admin 时间: 2016-7-24 10:25 标题: ORA-02821: Unable to read the requested number of blocks. ORA-02821: Unable toread the requested number of blocks. Cause: A server could not read the number of blocks that wasrequested. The end
of the file may have been read. Action: Checkthe file on disk.