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Throttling in storage systems

  • US 7,127,568 B2
  • Filed: 01/23/2003
  • Issued: 10/24/2006
  • Est. Priority Date: 01/23/2003
  • Status: Expired due to Term
First Claim
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1. A storage system method comprising:

  • receiving a storage command from a host computer;

    determining whether execution of writing information associated with the storage command into a cache memory is to be delayed, the determining being based on a ratio between the number storage commands that are sequential accesses and the number storage commands that are random accesses;

    if execution of writing information into the cache memory is determined to be delayed, then delaying execution of writing information associated with the storage command into the cache memory;

    subsequent to delaying execution, writing the information associated with the storage command into the cache memory; and

    subsequent to writing to the cache memory, and further in response to receiving the storage command, storing the information in storage volumes in the storage system.

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