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发明授权
CN1648842B 存储系统以及存储系统的数据存取方法 失效 - 权利终止 转让

存储系统以及存储系统的数据存取方法
摘要：
在具有SAN接口和NAS接口两者的混合型存储装置中，与NAS功能的障碍或NAS的负荷等无关，可以作为SAN功能独立地运行，而且，能通过简单的硬件实现。由接受文件单位的I/O命令的NAS控制板和接受块单位的I/O命令的SAN控制板安装存储装置的控制器并使两部分能独立地运行。那么，NAS控制板将NAS接口的文件单位的I/O命令变换为块单位的I/O命令并发送给SAN控制板。SAN控制板通过从SAN接受的块单位的I/O命令和从NAS控制板接收的块单位的I/O命令对存储在盘装置内的数据进行存取。
摘要（英）：

A hybrid-type storage system having both SAN and NAS interfaces can be implemented by simple hardware capable of carrying out a SAN function independently of a NAS function and a NAS load. To be morespecific, a controller of the storage system comprises a NAS controller for accepting an I/O command issued for a file unit and a SAN controller for accepting an I/O command issued for a block unit. The NAS controller converts an I/O command issued for a file unit into an I/O command issued for a block unit, and transfers the I/O command issued for a block unit to the SAN controller. The SAN controller makes an access to data stored in a disk apparatus in accordance with an I/O command received from the SAN or from the NAS controller as a command issued for a block unit. The NAS and SAN controllers are capable of operating independently of each other.

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