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Method and system of collection performance data for storage network

  • US 8,176,248 B2
  • Filed: 09/23/2011
  • Issued: 05/08/2012
  • Est. Priority Date: 12/22/1998
  • Status: Expired due to Fees
First Claim
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1. A control device comprising:

  • a plurality of first interfaces being coupled to a host computer;

    a plurality of second interfaces being coupled to a plurality of storage systems, each of which comprising a plurality of storage devices and a storage controller providing at least one logical unit, using the plurality of storage devices, to the control device, wherein a plurality of logical units, which are provided by a plurality of storage controllers of the plurality of storage systems, include a first logical unit and a second logical unit; and

    a controller managing the plurality of logical units provided by the plurality of storage controllers of the plurality of storage systems and providing a third logical unit to the host computer, the third logical unit including a first storage area and a second storage area, wherein data sent to the first storage area in the third logical unit is to be stored in a storage area in the first logical unit, and data sent to the second storage area in the third logical unit is to be stored in a storage area in the second logical unit.

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