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    • 3. 发明授权
    • Storage area network management system, method, and computer-readable medium
    • 存储区域网络管理系统,方法和计算机可读介质
    • US07103653B2
    • 2006-09-05
    • US09779844
    • 2001-02-09
    • Sawao Iwatani
    • Sawao Iwatani
    • G06F15/173
    • H04L41/08H04L41/0816H04L41/0866H04L41/0883
    • An integrated management mechanism of a storage area network (SAN) integrates and manages a traditionally dispersed security system from a single source and automates security management in the SAN. The integrated management mechanism integrates and manages the SAN, and is configured so that access relationships of the host computers and the storage devices of the SAN are managed using the integrated management mechanism. An access path on the integrated management mechanism, including a region of the storage devices to which access is attempted from the host computer, the fiber channel adapters used when accessing that storage, and the host bus adapters (HBA) are configured. Based on the access path information configured, the integrated management mechanism establishes respective storage settings, zoning settings, and accessible region permissions for a SAN management mechanism of the host computer, a zoning settings mechanism of the switch, and a storage management mechanism of the storage device.
    • 存储区域网络(SAN)的集成管理机制从单一来源集成和管理传统分散的安全系统,并自动化SAN中的安全管理。 集成管理机制集成和管理SAN,并配置为使用集成管理机制来管理主机和SAN存储设备的访问关系。 集成管理机制的访问路径,包括从主计算机尝试访问的存储设备的区域,访问该存储器时使用的光纤通道适配器和主机总线适配器(HBA)。 基于配置的访问路径信息,集成管理机构为主计算机的SAN管理机制,交换机的分区设置机制和存储器的存储管理机制建立相应的存储设置,分区设置和可访问区域许可 设备。
    • 6. 发明授权
    • disk apparatus with multiple raid operating modes
    • 多台RAID操作模式的磁盘设备
    • US5835940A
    • 1998-11-10
    • US606081
    • 1996-02-23
    • Keiichi YorimitsuSawao Iwatani
    • Keiichi YorimitsuSawao Iwatani
    • G06F3/06G06F11/10G06F11/20G06F12/08G06F13/00
    • G06F11/2089G06F11/1076G06F12/0866G06F2211/1009
    • A disk cache operation which was optimized so as to adapted to an operation form of the user and a disk array is executed. A cache mechanism is provided for each of two sets of controllers and can be made operative in either one of the reliability significance mode for storing the same data into each system, the performance significance mode for independently storing data every system, and the average mode of both of said modes. A cache process in which a disk array which operates in RAID0, RAID1, RAID3, or RAID5 is set to a target is efficiently executed. Effective data is prepared on a cache block so as to enable an access like RAID3 such that a parity can be calculated without needing to read the disk even in the operation of RAID5.
    • 执行优化以适应用户的操作形式和磁盘阵列的磁盘高速缓存操作。 为两组控制器中的每一个提供缓存机制,并且可以在用于将相同数据存储到每个系统中的可靠性有效模式之一中进行操作,每个系统独立地存储数据的性能有效模式和平均模式 两种模式。 将RAID0,RAID1,RAID3或RAID5中操作的磁盘阵列设置为目标的缓存处理被有效地执行。 在高速缓存块上准备有效的数据,以便像RAID3这样的访问,即使在RAID5的操作中也可以计算奇偶校验,而不需要读取磁盘。
    • 7. 发明授权
    • Device controller and input/output system
    • 设备控制器和输入/输出系统
    • US07409472B2
    • 2008-08-05
    • US10914335
    • 2004-08-10
    • Sawao IwataniSanae Kamakura
    • Sawao IwataniSanae Kamakura
    • G06F3/00G06F9/26
    • G06F11/2007G06F3/0613G06F3/0658G06F3/0659G06F3/067G06F11/2038
    • An input/output request sent from a host is once cued through a channel adapter and is then transferred to a resource manager and is cued, and the cuing is distributed. Even if sequential input/output requests of the host are separated through a distribution processing to a plurality of paths, they are recognized on the device controller side and a countermeasure is taken. In the case in which a path from the host to the device controller is caused to be redundant into an operation system and a standby system, a path confirmation command is issued to the device drivers of a standby system path in order to confirm that the standby system path is normally operated or not. When the issuance of the input/output request is transferred to another path, a command for releasing the reserve of a transfer path is issued from another path. In the case in which one path of a device driver of an operation system causes a fault, switching to the use of the path of the device driver of the standby system is carried out to implement a load balance through the same processing distribution driver as that obtained before the generation of the fault. Even if a difference in a channel transfer rate is made between the host and the device controller, a higher transfer rate can be maintained.
    • 从主机发送的输入/输出请求一旦通过通道适配器提供,然后被传送到资源管理器,并被提示,并且分发。 即使主机的顺序输入/输出请求通过分发处理分离成多个路径,它们在设备控制器侧被识别并采取对策。 在从主机到设备控制器的路径在操作系统和备用系统中被冗余的情况下,向备用系统路径的设备驱动器发出路径确认命令,以便确认备用 系统路径是否正常运行。 当输入/输出请求的发送被传送到另一路径时,从另一路径发出用于释放传送路径的保留的命令。 在操作系统的设备驱动器的一个路径导致故障的情况下,执行切换到备用系统的设备驱动器的路径的使用,以通过与该处理分配驱动程序相同的处理分配驱动程序实现负载平衡 在发生故障之前获得。 即使在主机和设备控制器之间进行信道传送速率的差异,也可以保持更高的传送速率。
    • 9. 发明授权
    • Multi-path computer system
    • 多路径计算机系统
    • US06725295B2
    • 2004-04-20
    • US09799945
    • 2001-03-06
    • Sawao Iwatani
    • Sawao Iwatani
    • G06F300
    • H04L41/06
    • In a multi-path computer system, a host apparatus and devices are connected via a plurality of paths, recorded therein. From channel adapters of the devices, device information of said devices, area information corresponding to a plurality of accessible areas, channel-adapter number information in said devices, and/or component exchange-unit information in said device are obtained. Properness of the plurality of paths is determined from access path information and identification information comprising the device information and area information. Identification information is determined, concerning an error path, comprising the device information and channel-adapter number information, to the other multi-path control parts of its own apparatus or the multi-path control parts of the other apparatuses, when detecting the error path. Operation of a path employing a channel adapter is caused to stop, and, also, identification information is determined, concerning said channel adapter, comprising the device information and component exchange-unit information, to the other multi-path control parts of their own apparatus and/or the multi-path control parts of the other apparatuses, when a request of exchanging said channel adapter is given.
    • 在多路径计算机系统中,主机装置和装置经由记录在其中的多个路径连接。 从设备的信道适配器,所述设备的设备信息,对应于多个可访问区域的区域信息,所述设备中的信道适配器号码信息和/或所述设备中的组件交换单元信息。 从包含设备信息和区域信息的访问路径信息和识别信息确定多个路径的适当性。 当检测到错误路径时,识别信息被确定为包括设备信息和信道适配器号码信息的错误路径到其自己的设备的其他多路径控制部分或其他设备的多路径控制部分 。 导致使用信道适配器的路径的操作停止,并且还将与包括设备信息和组件交换单元信息的所述信道适配器相关的识别信息确定到其自己的设备的其他多路径控制部分 和/或其他装置的多路径控制部分,当给出交换所述信道适配器的请求时。
    • 10. 发明授权
    • Device array system providing redundancy of disks from active system
disks during a disk failure
    • 在磁盘故障期间,从活动系统磁盘提供磁盘冗余的设备阵列系统
    • US6079029A
    • 2000-06-20
    • US979951
    • 1997-11-26
    • Sawao IwataniSuijin Taketa
    • Sawao IwataniSuijin Taketa
    • G06F7/22G06F3/06G06F11/10G06F11/20G11B20/10G11B20/12H03K19/003
    • G06F11/2094G06F11/1084G06F11/1092G06F11/1662G06F2211/1004G06F2211/103
    • In a device array system, a failure alternate device is fetched from another logic group of a higher redundancy without needing a hot spare patrol, accordingly recovering redundancy of data. In a case corresponding to a mirrored device of RAID-1, as a logic group of a device array unit, a construction control unit constructs a first logic group in which the same data is stored into (N=2) devices and duplicated and a second logic group in which the same data is stored into (N+1=3) devices and triplicated. when one device has failed in the first logic group having a lower redundancy and the redundancy is lost, a failure processing unit fetches one device from the second logic group of a higher redundancy into the first logic group and reconstructs data by using the fetched device as a failure alternate device, accordingly recovering the redundancy of the first logic group.
    • 在设备阵列系统中,故障替代设备从另一个较高冗余的逻辑组中提取,而不需要热备份巡检,从而恢复数据的冗余。 在对应于RAID-1的镜像设备的情况下,作为设备阵列单元的逻辑组,构造控制单元构造其中将相同数据存储到(N = 2)个设备中并复制的第一逻辑组 第二逻辑组将相同的数据存储到(N + 1 = 3)个设备中并重复三次。 当一个设备在具有较低冗余度的第一逻辑组中失败并且冗余丢失时,故障处理单元从较高冗余的第二逻辑组中取出一个设备到第一逻辑组中,并且通过使用所提取的设备将数据重建为 故障替代设备,从而恢复第一逻辑组的冗余。