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    • 73. 发明授权
    • Program, method and apparatus for disk array control
    • 用于磁盘阵列控制的程序,方法和装置
    • US07308601B2
    • 2007-12-11
    • US10978432
    • 2004-11-02
    • Kazuhiko IkeuchiMikio ItoHidejirou Daikokuya
    • Kazuhiko IkeuchiMikio ItoHidejirou Daikokuya
    • G06F11/00
    • G06F11/1004G06F11/1612G06F11/2071G06F11/2082
    • When receiving a notification of an error detected by patrol processing of the device adaptor for a secondary disk apparatus, a first recovery processing unit reads out data corresponding to the error location from a normal primary disk apparatus and writes the data into the error disk apparatus to eliminate the error. If it is determined that the content of the error notification is abnormality of the block ID which is an identifier of the order of writing data, a second recovery processing unit retrieves a correct write address indicated by the identifier, compares data of the error disk apparatus with that of the normal disk apparatus, determines that a lost write exists in the case of mismatch, and eliminates the lost write by writing the data read out from the normal disk apparatus into the error disk apparatus.
    • 当接收到对辅助盘装置的设备适配器的巡检处理检测到的错误的通知时,第一恢复处理单元从正常主盘装置中读出与错误位置对应的数据,并将该数据写入错误盘装置 消除错误。 如果确定错误通知的内容是作为写入数据顺序的标识符的块ID的异常,则第二恢复处理单元检索由标识符指示的正确的写入地址,比较错误盘装置的数据 与通常的盘装置的情况相同,判定在不匹配的情况下存在丢失的写入,并且通过将从普通盘装置读出的数据写入错误盘装置来消除丢失的写入。
    • 76. 发明授权
    • Storage controlling device and storage controlling method
    • 存储控制装置和存储控制方法
    • US08489976B2
    • 2013-07-16
    • US12071512
    • 2008-02-21
    • Kazuhiko IkeuchiMikio ItoHidejirou Daikokuya
    • Kazuhiko IkeuchiMikio ItoHidejirou Daikokuya
    • G06F11/00
    • G06F11/1076G06F2211/1057
    • According to an aspect of an embodiment, a method of storing user data (UD) with parity data (PD) for correcting the UD in a storage apparatus comprising disk units, each of the disk units storing data in data blocks(DBs), each of the DBs storing the UD or associated PD and position information(PI) indicative of the location of the DBs, comprising: obtaining the UD, dividing the UD into UD blocks (UDBs) which are adapted to be stored in the DBs, and determining which UDBs are to be stored into which DBs, respectively; determining PI of the DBs for storing the UDBs; generating PD for a group of UDBs and associated PI by parity operation using a weighting function to the UDBs and the PI; determining PI for the PD for said group by modifying a part of the PD; and storing the group of the UDBs, associated PI, and the PD.
    • 根据实施例的一个方面,一种存储用于在包括盘单元的存储装置中用于校正UD的奇偶校验数据(PD)的用户数据(UD)的方法,每个盘单元将数据存储在数据块(DB)中,每个 存储UD或相关联的PD的DB和指示DB的位置的位置信息(PI),包括:获得UD,将UD划分为UD块(UDB),其适于存储在DB中,并且确定 哪些UDB分别存储在哪个DB中? 确定用于存储UDB的DB的PI; 通过使用UDB和PI的加权函数的奇偶校验操作为一组UDB和相关PI生成PD; 通过修改PD的一部分来确定所述组的PD的PI; 并存储UDB的组,相关联的PI和PD。
    • 79. 发明申请
    • Program, method and apparatus for disk array control
    • 用于磁盘阵列控制的程序,方法和装置
    • US20060015769A1
    • 2006-01-19
    • US10978432
    • 2004-11-02
    • Kazuhiko IkeuchiMikio ItoHidejirou Daikokuya
    • Kazuhiko IkeuchiMikio ItoHidejirou Daikokuya
    • G06F11/00
    • G06F11/1004G06F11/1612G06F11/2071G06F11/2082
    • When receiving a notification of an error detected by patrol processing of the device adaptor for a secondary disk apparatus, a first recovery processing unit reads out data corresponding to the error location from a normal primary disk apparatus and writes the data into the error disk apparatus to eliminate the error. If it is determined that the content of the error notification is abnormality of the block ID which is an identifier of the order of writing data, a second recovery processing unit retrieves a correct write address indicated by the identifier, compares data of the error disk apparatus with that of the normal disk apparatus, determines that a lost write exists in the case of mismatch, and eliminates the lost write by writing the data read out from the normal disk apparatus into the error disk apparatus.
    • 当接收到对辅助盘装置的设备适配器的巡检处理检测到的错误的通知时,第一恢复处理单元从正常主盘装置中读出与错误位置对应的数据,并将该数据写入错误盘装置 消除错误。 如果确定错误通知的内容是作为写入数据顺序的标识符的块ID的异常,则第二恢复处理单元检索由标识符指示的正确的写入地址,比较错误盘装置的数据 与通常的盘装置的情况相同,判定在不匹配的情况下存在丢失的写入,并且通过将从普通盘装置读出的数据写入错误盘装置来消除丢失的写入。