公开(公告)号：US20050262300A1

公开(公告)日：2005-11-24

申请号：US10912636

申请日：2004-08-04

申请人： Akihiro Mannen ,  Naoto Matsunami ,  Akira Nishimoto ,  Yusuki Nonaka

发明人： Akihiro Mannen ,  Naoto Matsunami ,  Akira Nishimoto ,  Yusuki Nonaka

IPC分类号： G06F3/06 ,  G06F12/00 ,  G06F12/08 ,  G06F12/14 ,  G11B5/012 ,  G11B19/04 ,  G11B20/00

CPC分类号： G06F3/0659 ,  G06F3/0623 ,  G06F3/0689 ,  G06F12/0866 ,  G11B20/00086 ,  G11B20/00702 ,  G11B20/00768

摘要： To provide a disk array system which particularly enables the use of a WORM function when the disk array system uses RAID. When receiving a write request from a computer (100), it is judged whether or not a writing of write data from the computer is possible, based on a content indicated by write inhibition information. If the writing is possible, the guarantee code of the transferred data is generated, the write inhibition information indicating that a region in which the data is stored is not writable is generated, and the generated write inhibition information is stored in the guarantee code, the guarantee code storing the write inhibition information is assigned to the region in which the data received from the computer (100) is stored, and the data to which the guarantee code storing the write inhibition information is assigned is stored in a cache memory (230) and/or a disk drive (270). If the write data from the computer (100) is not writable, it is informed to the computer (100).

摘要翻译： 提供一种磁盘阵列系统，当磁盘阵列系统使用RAID时，特别能够使用WORM功能。 当从计算机（100）接收到写入请求时，基于由写入禁止信息指示的内容来判断是否可能从计算机写入写入数据。 如果可以进行写入，则生成传送数据的保证码，生成指示存储数据的区域不可写入的写入禁止信息，并且生成的写入禁止信息存储在保证码中， 存储写入禁止信息的保证代码被分配给存储从计算机（100）接收的数据的区域，并且存储写入禁止信息的保证码的数据被存储在高速缓冲存储器（230）中， 和/或磁盘驱动器（270）。 如果来自计算机（100）的写入数据不可写入，则通知计算机（100）。