公开(公告)号：US10768815B1

公开(公告)日：2020-09-08

申请号：US15965769

申请日：2018-04-27

Applicant: Pure Storage, Inc.

Inventor： Jianting Cao ,  Wentian Cui ,  Christopher Golden ,  David Grunwald ,  Scott Smith ,  Qi Zhou

IPC: G06F3/06 ,  G06F8/656

Abstract: Performing a non-disruptive upgrade of data in a storage system that includes a plurality of storage devices and a storage controller, including: creating new data in a new data format, wherein the new data includes a reference to old data in an old data format, wherein system software in the storage system can utilize data in the new data format and the old data format; determining that a portion of the volume has changed; and responsive to determining that the portion of the volume has changed, updating the new data to include a reference to old data associated with a portion of the volume that precedes the changed portion of the volume, new data associated with the changed portion of the volume, and a reference to old data associated with a portion of the volume that follows the changed portion of the volume.

公开(公告)号：US10474363B1

公开(公告)日：2019-11-12

申请号：US15339215

申请日：2016-10-31

Applicant: Pure Storage, Inc.

Inventor： Wentian Cui ,  Matthew Fay ,  Marina Galata ,  Richard Hankins ,  Ganesh Ramanarayanan ,  Cary Sandvig ,  Zoheb Shivani ,  Scott Smith ,  Shishir Yadav

IPC: G06F3/06

Abstract: Space reporting in a storage system, including: determining, for one or more system-visible objects in the storage system, an amount of physical space consumed by each system-visible object and an amount of logical space consumed by each system-visible object; identifying, for each of the one or more system-visible objects in the storage system, one or more user-visible objects that reference the system-visible object; determining, for each of the one or more user-visible objects, an amount of physical space consumed by the user-visible object in dependence upon the amount of physical space consumed by each system-visible object referenced by the user-visible object; and determining, for each of the one or more user-visible objects, an amount of logical space consumed by the user-visible object in dependence upon the amount of logical space consumed by each system-visible object referenced by the user-visible object.

公开(公告)号：US10268403B1

公开(公告)日：2019-04-23

申请号：US15499068

申请日：2017-04-27

Applicant: Pure Storage, Inc.

Inventor： Jianting Cao ,  Christopher Golden ,  David Grunwald ,  Luke Paulsen ,  Scott Smith

IPC: G06F12/00 ,  G06F3/06

Abstract: Optimizing copy operations in a storage array, including: receiving a plurality of copy operations; detecting a triggering event that causes a storage array controller to initiate execution of the plurality of copy operations; and combining, in dependence upon a metadata optimization policy, the plurality of copy operations into a single copy operation.