Patent ID: 8316065
Filing Date: 2012-11-20
Classification: G06F

Abstract:
1. A data migration system, comprising: a data migration device that includes a processor; a first file server that includes a processor, which is coupled to said data migration device; a second file server that includes a processor, which is coupled to said data migration device; a first storage device which is coupled to said first file server; a second storage device which is coupled to said second file server; and a third storage device which is coupled to said second file server; wherein: said first file server creates a first file system upon said first storage device; said first file system has a first file; said second file server creates a second file system upon said second storage device and a third file system upon said third storage device; said first file server creates a tiered structure in which said second file system, and said third file system, are consolidated virtually; when migrating said first file, said second file server: