公开(公告)号：US20160124985A1

公开(公告)日：2016-05-05

申请号：US14993298

申请日：2016-01-12

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor： Rahul M. FISKE ,  Carl E. JONES ,  Subhojit ROY

IPC: G06F17/30

CPC classification number: G06F17/30156 ,  G06F3/061 ,  G06F3/0641 ,  G06F17/30233 ,  G06F17/30371

Abstract: Various embodiments for preserving data redundancy of identical data in a data deduplication system in a computing environment are provided. In one embodiment, a method for such preservation is disclosed. A selected range of virtual addresses of a virtual storage device in the computing environment is designated as not subject to a deduplication operation. Other system and computer program product embodiments are disclosed and provide related advantages.

公开(公告)号：US20130326183A1

公开(公告)日：2013-12-05

申请号：US13801732

申请日：2013-03-13

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor： Pankaj S. BAVISHI ,  Gaurav CHHAUNKER ,  Carl E. JONES ,  Pankaj O. KHANDELWAL ,  Subhojit ROY

IPC: G06F3/06

Abstract: A source code-based specification is implemented for use as an interface between a storage controller and an owning application to migrate a specified size of data from physical storage behind the LUN to a new physical location.

公开(公告)号：US20130282675A1

公开(公告)日：2013-10-24

申请号：US13801724

申请日：2013-03-13

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor： Rahul M. FISKE ,  Carl E. JONES ,  Subhojit ROY

IPC: G06F17/30

CPC classification number: G06F17/30156

Abstract: Various embodiments for preserving data redundancy in a data deduplication system in a computing environment are provided. In one embodiment, a method for such preservation is disclosed in a multi-device file system. At least one virtual device out of a volume set is designated as not subject to a deduplication operation.

Abstract translation: 提供了用于在计算环境中保留数据重复数据删除系统中的数据冗余的各种实施例。 在一个实施例中，在多设备文件系统中公开了这种保存的方法。 卷集中的至少一个虚拟设备被指定为不进行重复数据删除操作。