While accessing the hard disk, a diskoperation failed even after retries.
访问硬盘时，磁盘操作失败。重试之后仍然不成功。
2
In past I have faced the problem, where my expectation of a diskoperation no fulfilled on stipulated time.
在过去我所面对的问题，我的一个磁盘操作没有完成规定时间的期望。
3
They act as a fast cache for DB2 pages, using RDMA technology to provide increased performance in situations where a physical diskoperation may otherwise have been required.