Patent Number: 8,880,820

Title: Techniques for using sparse files during snapshots

Abstract: Techniques for using sparse files during snapshots are provided. Snapshots are managed and maintained for a source volume via sparse files. Metadata defines the sparse files and operations of a file system are used to create, define, and manipulate the metadata. When a write operation is detected during a snapshot, sparse files are used to copy the write operation before the write operation is performed on the source volume; the sparse files server as the snapshot data.

Inventors: Sudhakar; Gosukonda Naga Venkata Satya (Bangalore, IN)

Assignee: Novell, Inc.

International Classification: G06F 12/00 (20060101); G06F 13/28 (20060101); G06F 13/00 (20060101)

Expiration Date: 2019-11-04 0:00:00