公开(公告)号：US5375227A

公开(公告)日：1994-12-20

申请号：US573784

申请日：1990-08-28

申请人： Masaharu Akatsu ,  Tomohiro Murata ,  Kenzou Kurihara ,  Morihiko Yotsuya ,  Koji Ozawa

发明人： Masaharu Akatsu ,  Tomohiro Murata ,  Kenzou Kurihara ,  Morihiko Yotsuya ,  Koji Ozawa

IPC分类号： G06F12/08 ,  G11C29/00 ,  G06F13/14

CPC分类号： G11C29/88 ,  G06F12/0866 ,  G06F2212/312

摘要： Herein disclosed is a disk controller having a cache. This cache is so managed that a predetermined part composed of at least one of a plurality parts divided therefrom is initialized. In response to a request for cache activation from a host computer, the initializations of the cache are partly executed in a repeated manner, and a request for disk input/output is intermittently processed so that the whole initializations of a cache having a large capacity can be executed in parallel with the online process.Moreover, the logic failure of the cache and the hardware failure of a memory are divided. When the logic failure occurs, the use of the case is temporarily prohibited, and the whole initializations of the cache are executed automatically at the side of the disk controller without any intervention of a maintenance man so that the cache can be used again.

摘要翻译： 这里公开的是具有缓存的盘控制器。 对该高速缓冲存储器进行管理，使由其分割的多个部分中的至少一个构成的预定部分被初始化。 响应于来自主计算机的缓存激活请求，高速缓存的初始化部分地以重复的方式执行，并且间歇地处理对盘输入/输出的请求，使得具有大容量的高速缓存的整个初始化可以 与在线流程并行执行。 此外，缓存的逻辑故障和存储器的硬件​​故障被划分。 当发生逻辑故障时，暂时禁止使用该情况，并且高速缓存的整个初始化在磁盘控制器的一侧自动执行，而不需要维护人员的任何干预，以便可以再次使用高速缓存。