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US09170751B2 Storage subsystem including logic for copy-out and write 有权
存储子系统包括用于复制和写入的逻辑

  • Patent Title: Storage subsystem including logic for copy-out and write
  • Patent Title (中): 存储子系统包括用于复制和写入的逻辑
  • Application No.: US14341541
    Application Date: 2014-07-25
  • Publication No.: US09170751B2
    Publication Date: 2015-10-27
  • Inventor: Jeffrey S. Kimmel
  • Applicant: NetApp, Inc.
  • Applicant Address: US CA Sunnyvale
  • Assignee: NetApp, Inc.
  • Current Assignee: NetApp, Inc.
  • Current Assignee Address: US CA Sunnyvale
  • Agency: Gilliam IP PLLC
  • Main IPC: G06F12/00
  • IPC: G06F12/00 ;  G06F3/06
Storage subsystem including logic for copy-out and write
Abstract:
A storage server receives a write request from a client system including new data and a location to store the new data. The storage server transmits a copy instruction to a storage subsystem to relocate old data at the location and transmits a write instruction to the storage subsystem to overwrite the old data with the new data. The storage subsystem includes fast stable storage in which the copy instruction and the write instruction are stored. After receiving each instruction, the storage subsystem sends an acknowledgement to the storage server. When both instructions have been acknowledged, the storage server sends an acknowledgement to the client system. The storage subsystem performs the instructions asynchronously from the client system's write request.
Abstract(Chinese):

存储服务器从包括新数据和存储新数据的位置的客户端系统接收写入请求。 存储服务器将复制指令发送到存储子系统以重新定位该位置处的旧数据，并向存储子系统发送写指令以用新数据覆盖旧数据。 存储子系统包括存储复制指令和写指令的快速稳定存储。 收到每条指令后，存储子系统向存储服务器发送确认。 当两个指令都被确认时，存储服务器向客户端系统发送确认。 存储子系统从客户端系统的写请求异步执行指令。

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