Method and system for returning physical volume

Method and system for returning physical volume

  • CN 1,487,419 B
  • Filed: 08/25/2003
  • Issued: 01/11/2012
  • Est. Priority Date: 08/29/2002
  • Status: Active Grant
First Claim
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1. method of returning processing that is used at storage pool, this method comprises:

  • Distribute to a plurality of physical volumes first storage pool that is used to store valid data;

    Confirm whether first storage pool has the blank physical volume greater than threshold number;

    If first storage pool has the blank physical volume greater than threshold number;

    Then turn back to second storage pool that is used to store non-valid data at least one blank physical volume, the physical volume that wherein is returned has been more use than other blank physical volumes that are present in first storage pool.

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