×

Storage system and optical module switching method for storage system

  • US 8,019,217 B2
  • Filed: 01/30/2008
  • Issued: 09/13/2011
  • Est. Priority Date: 10/31/2007
  • Status: Expired due to Fees
First Claim
Patent Images

1. A storage system comprising:

  • a storage device connected to a host computer via a communication line, the storage device comprising a communication controller performing data communication with the host computer by using optical modules,wherein the communication controller is provided with;

    first optical modules performing data communication with the host computer;

    a second optical module performing data communication with the host computer, in place of the first optical modules; and

    a controller switching, when a failure occurs in any of the first optical modules, a first optical module in which the failure occurred to the second optical module,wherein the first optical modules and switches in the host computer correspond one-to-one with each other, and the first optical modules and the switches respectively connect via a first splitter, whereby they perform data communication, andwherein the second optical module connects to a second splitter that connects to the respective first splitters, and performs data communication with the host computer.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×