文档解释
ORA-19551: device is busy, device type: string, device name: string
Cause: The indicated device could not be allocated because it is allocated to another session, or no device was named, or all devices of the requested type are busy.
Action: Either attempt to allocate another device or wait until the required device is no longer busy.
ORA-19551错误消息指示设备似乎正在执行另一个操作。
官方解释
常见案例
一般处理方法及步骤
(1) 检查该设备是否已被另一用户占用/安装；
(2) 检查系统中是否有旧的挂起的Imports和Exports操作；
(3) 清理该装置；
(4) 尝试更换装置来诊断该问题；
(5) 尝试将装置移动到新的逻辑位置上。
