The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 2013
Filed:
Feb. 02, 2010
Mario Francisco Acedo, Tucson, AZ (US);
Paul Anthony Jennas, Ii, Tucson, AZ (US);
Jason Lee Peipelman, Vail, AZ (US);
Richard Anthony Ripberger, Tucson, AZ (US);
Matthew John Ward, Vail, AZ (US);
Mario Francisco Acedo, Tucson, AZ (US);
Paul Anthony Jennas, II, Tucson, AZ (US);
Jason Lee Peipelman, Vail, AZ (US);
Richard Anthony Ripberger, Tucson, AZ (US);
Matthew John Ward, Vail, AZ (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method for concurrently converting a standard volume to a thin-provisioned volume includes initially establishing metadata for a thin-provisioned volume. The method then updates the metadata for the thin-provisioned volume to point to extents residing in a standard volume. The method then suspends I/O to metadata for the standard volume. Upon suspending the I/O, the method migrates control of the extents in the standard volume from a standard-volume control algorithm to a thin-provisioned-volume control algorithm. The method then resumes the I/O to the metadata for the thin-provisioned volume. Using this technique, standard volumes may be rapidly converted to thin-provisioned volumes while minimally disrupting I/O to the volumes. A corresponding apparatus and computer program product are also disclosed and claimed herein.