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Method, system, and product for maintaining within a virtualization system a historical performance database for physical devices

  • US 6,907,419 B1
  • Filed: 02/27/2002
  • Issued: 06/14/2005
  • Est. Priority Date: 02/27/2002
  • Status: Expired due to Term
First Claim
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1. A method in a data processing system for maintaining a database of usage information of a plurality of physical devices, said method comprising the steps of:

  • providing a virtualization system interposed between a host computer system and a plurality of physical devices, wherein said host computer system is capable of accessing virtual interfaces and is incapable of directly accessing any of said plurality of physical devices;

    establishing a database within said virtualization system for storing information;

    storing, within said database, information about transactions processed by said virtualization system utilizing said plurality of physical devices;

    detecting an error in one of said plurality of physical devices occurring during processing of one of a plurality of transactions;

    identifying said one of said plurality of physical devices having said error;

    identifying said one of said plurality of transactions associated with said error; and

    storing information about said error including said identification of said one of plurality transactions and said identification of said one of said plurality of physical devices in said database.

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