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    • 9. 发明申请
    • APPARATUS AND METHOD TO ALLOCATE RESOURCES IN A DATA STORAGE LIBRARY
    • 在数据存储库中分配资源的装置和方法
    • US20090210618A1
    • 2009-08-20
    • US12031548
    • 2008-02-14
    • ALLEN KEITH BATESNILS HAUSTEINCRAIG ANTHONY KLEINDANIEL JAMES WINARSKI
    • ALLEN KEITH BATESNILS HAUSTEINCRAIG ANTHONY KLEINDANIEL JAMES WINARSKI
    • G06F12/00
    • G06F11/1084G06F11/1092
    • A method to allocate resources in a data storage library comprising a plurality of data storage devices configured as a RAID array, by establishing a normal operation resource allocation, a RAID failure resource allocation, and a multiple storage device failure resource allocation. The method receives host I/O requests, and enqueues those host I/O requests. If the system is operating without any storage device failures, then the method processes host I/O requests using the normal operation resource allocation. If the system is operating with a storage device failure, then the method processes host I/O requests using the RAID failure resource allocation. If the system is operating with multiple storage device failures, then the method processes host I/O requests using the multiple storage device failure resource allocation.
    • 通过建立正常的操作资源分配,RAID故障资源分配和多个存储设备故障资源分配,在数据存储库中分配资源的方法,该数据存储库包括被配置为RAID阵列的多个数据存储设备。 该方法接收主机I / O请求,并排队这些主机I / O请求。 如果系统运行时没有任何存储设备故障,则该方法使用正常的操作资源分配来处理主机I / O请求。 如果系统正在运行存储设备故障,则该方法使用RAID故障资源分配来处理主机I / O请求。 如果系统正在运行多个存储设备故障,则该方法使用多个存储设备故障资源分配来处理主机I / O请求。