Invention Grant
US07970903B2 Storage and server provisioning for virtualized and geographically dispersed data centers 有权
虚拟化和地理位置分散的数据中心的存储和服务器配置

  • Patent Title: Storage and server provisioning for virtualized and geographically dispersed data centers
  • Patent Title (中): 虚拟化和地理位置分散的数据中心的存储和服务器配置
  • Application No.: US11892045
    Application Date: 2007-08-20
  • Publication No.: US07970903B2
    Publication Date: 2011-06-28
  • Inventor: Takashi Oeda
  • Applicant: Takashi Oeda
  • Applicant Address: JP Tokyo
  • Assignee: Hitachi, Ltd.
  • Current Assignee: Hitachi, Ltd.
  • Current Assignee Address: JP Tokyo
  • Agency: Mattingly & Malur, PC
  • Main IPC: G06F15/173
  • IPC: G06F15/173 G06F9/46
Storage and server provisioning for virtualized and geographically dispersed data centers
Abstract:
Geographically dispersed data centers each include servers and storage systems and are in communication with each other. An application is installed on a guest operating system on a virtual machine set up on a server at a first data center. The application accesses a logical unit on a storage system at the first data center. When migration of the application is initiated, the process determines whether any of the data centers has server resources and storage resources required to receive migration of the application. A destination data center is selected from candidate data centers meeting requirements for migration of the application. The application and guest operating system are migrated from the first data center to a second virtual machine set up on a second server at the destination data center. If a replica of the LU is not already present at the destination data center, the LU is also replicated.
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