公开(公告)号：US07120912B2

公开(公告)日：2006-10-10

申请号：US10975447

申请日：2004-10-29

申请人： Satoshi Kadoiri ,  Hiroshi Morishima ,  Makoto Aoki ,  Isao Nagase ,  Osamu Kohama ,  Hirofumi Sahara

发明人： Satoshi Kadoiri ,  Hiroshi Morishima ,  Makoto Aoki ,  Isao Nagase ,  Osamu Kohama ,  Hirofumi Sahara

IPC分类号： G06F9/46 ,  G06F11/00 ,  G06F15/16

CPC分类号： G06F3/0635 ,  G06F3/061 ,  G06F3/067 ,  G06F2206/1012

摘要： Provided is a high performance storage system, in which a cache memory is effectively used and access loads are balanced. In a computer system including a computer and a storage system coupled with the computer, the storage system includes one or more channel adapters which communicate with the computer, and a plurality of logical units which store data. The computer includes one or more host bus adapters which communicate with the storage system, and a path management module which manages a path along which the computer accesses the logical unit. The path management module includes a load measurement module which measures an access load on each logical unit, and an active path setting module which sets one or more active paths, along which an access from the computer passes, for each of the logical unit based on the measured access load.

摘要翻译： 提供了一种高性能存储系统，其中有效地使用高速缓冲存储器并平衡访问负载。 在包括与计算机耦合的计算机和存储系统的计算机系统中，存储系统包括与计算机通信的一个或多个信道适配器以及存储数据的多个逻辑单元。 计算机包括与存储系统通信的一个或多个主机总线适配器，以及管理计算机访问逻辑单元的路径的路径管理模块。 路径管理模块包括负载测量模块，其测量每个逻辑单元上的访问负载;以及主动路径设置模块，其基于来自计算机的每个逻辑单元设置一个或多个活动路径，来自计算机的访问通过该活动路径 测量的访问负载。

公开(公告)号：US07032041B2

公开(公告)日：2006-04-18

申请号：US10802859

申请日：2004-03-18

申请人： Hirofumi Sahara ,  Masuji Suzuki ,  Hiroshi Yokouchi

发明人： Hirofumi Sahara ,  Masuji Suzuki ,  Hiroshi Yokouchi

IPC分类号： G06F3/00

CPC分类号： G06F3/061 ,  G06F3/0635 ,  G06F3/0659 ,  G06F3/0683 ,  G06F2206/1012

摘要： In an information processing system comprising a storage equipment which includes a logical unit logically assigned to physical devices and an information processing apparatus which sends data input/output requests to the storage equipment, wherein the data input/output requests are transferred through logical paths serving as communication paths to the logical unit, the information processing apparatus comprises a path selection management section which manages configurations of a plurality of blocks into which the logical unit is divided, an I/O request allocation section which allocates data input/output requests to be transmitted to the storage equipment to the logical paths, and I/O processing units which transmit the data input/output requests through the logical paths, according to the allocation determined by the I/O request allocation section, pursuant to an established protocol, wherein the path selection management section assigns at least one logical path to one block.

摘要翻译： 在包括逻辑地分配给物理设备的逻辑单元的存储设备和向存储设备发送数据输入/输出请求的信息处理设备的信息处理系统中，其中数据输入/输出请求通过用作 到逻辑单元的通信路径，信息处理设备包括管理分配了逻辑单元的多个块的配置的路径选择管理部分，分配要发送的数据输入/输出请求的I / O请求分配部分 根据建立的协议，根据由I / O请求分配部分确定的分配，通过逻辑路径传送数据输入/输出请求的I / O处理单元，其中， 路径选择管理部分将至少一个逻辑路径分配给一个块。

公开(公告)号：US20060230189A1

公开(公告)日：2006-10-12

申请号：US11188887

申请日：2005-07-26

申请人： Hirofumi Sahara ,  Hiroshi Morishima ,  Makoto Aoki ,  Osamu Kohama ,  Satoshi Kadoiri ,  Isao Nagase

发明人： Hirofumi Sahara ,  Hiroshi Morishima ,  Makoto Aoki ,  Osamu Kohama ,  Satoshi Kadoiri ,  Isao Nagase

IPC分类号： G06F3/00

CPC分类号： G06F9/5083

摘要： Provided is a computer system which includes computers and a storage system coupled to the computers. The storage system includes a first load measuring module that measures a first access load for each channel adaptor. At least one of the computers includes a path management module that manages paths through which the computers access logical units. The path management module includes a second load measuring module that measures a second access load imposed by access from the computer to the logical unit, and an active path setting module that selects one of the channel adaptors based on the first access and the second access load measured by the first and second load measuring modules, and setting an active path passing through the channel adaptor. Thus, a load on an entire system is balanced, thereby improving performance while a cache hit rate of a storage system is maintained.

公开(公告)号：US20050108450A1

公开(公告)日：2005-05-19

申请号：US10802859

申请日：2004-03-18

申请人： Hirofumi Sahara ,  Masuji Suzuki ,  Hiroshi Yokouchi

发明人： Hirofumi Sahara ,  Masuji Suzuki ,  Hiroshi Yokouchi

IPC分类号： G06F12/08 ,  G06F3/06 ,  G06F3/00

CPC分类号： G06F3/061 ,  G06F3/0635 ,  G06F3/0659 ,  G06F3/0683 ,  G06F2206/1012

摘要： In an information processing system comprising a storage equipment which includes a logical unit logically assigned to physical devices and an information processing apparatus which sends data input/output requests to the storage equipment, wherein the data input/output requests are transferred through logical paths serving as communication paths to the logical unit, the information processing apparatus comprises a path selection management section which manages configurations of a plurality of blocks into which the logical unit is divided, an I/O request allocation section which allocates data input/output requests to be transmitted to the storage equipment to the logical paths, and I/O processing units which transmit the data input/output requests through the logical paths, according to the allocation determined by the I/O request allocation section, pursuant to an established protocol, wherein the path selection management section assigns at least one logical path to one block.

摘要翻译： 在包括逻辑地分配给物理设备的逻辑单元的存储设备和向存储设备发送数据输入/输出请求的信息处理设备的信息处理系统中，其中数据输入/输出请求通过用作 到逻辑单元的通信路径，信息处理设备包括管理分配了逻辑单元的多个块的配置的路径选择管理部分，分配要发送的数据输入/输出请求的I / O请求分配部分 根据建立的协议，根据由I / O请求分配部分确定的分配，通过逻辑路径传送数据输入/输出请求的I / O处理单元，其中， 路径选择管理部分将至少一个逻辑路径分配给一个块。

公开(公告)号：US07571264B2

公开(公告)日：2009-08-04

申请号：US11188887

申请日：2005-07-26

申请人： Hirofumi Sahara ,  Hiroshi Morishima ,  Makoto Aoki ,  Osamu Kohama ,  Satoshi Kadoiri ,  Isao Nagase

发明人： Hirofumi Sahara ,  Hiroshi Morishima ,  Makoto Aoki ,  Osamu Kohama ,  Satoshi Kadoiri ,  Isao Nagase

IPC分类号： G06F13/00 ,  G06F3/00 ,  G01R31/28 ,  G06F15/173 ,  G06F15/16

CPC分类号： G06F9/5083

摘要： Provided is a computer system which includes computers and a storage system coupled to the computers. The storage system includes a first load measuring module that measures a first access load for each channel adaptor. At least one of the computers includes a path management module that manages paths through which the computers access logical units. The path management module includes a second load measuring module that measures a second access load imposed by access from the computer to the logical unit, and an active path setting module that selects one of the channel adaptors based on the first access and the second access load measured by the first and second load measuring modules, and setting an active path passing through the channel adaptor. Thus, a load on an entire system is balanced, thereby improving performance while a cache hit rate of a storage system is maintained.

摘要翻译： 提供了一种包括计算机和耦合到计算机的存储系统的计算机系统。 存储系统包括测量每个通道适配器的第一访问负载的第一负载测量模块。 至少一个计算机包括路径管理模块，其管理计算机通过其访问逻辑单元的路径。 路径管理模块包括第二负载测量模块，其测量从计算机到逻辑单元的访问施加的第二访问负载;以及主动路径设置模块，其基于第一访问和第二访问负载来选择一个信道适配器 由第一和第二负载测量模块测量，并且设置通过通道适配器的有效路径。 因此，平衡整个系统上的负载，从而在保持存储系统的高速缓存命中率的同时提高性能。