公开(公告)号：US09971515B2

公开(公告)日：2018-05-15

申请号：US15264391

申请日：2016-09-13

Applicant: Western Digital Technologies, Inc.

Inventor： Hung-Min Chang ,  Haining Liu ,  Yuriy Pavlenko ,  Hung-Cheng Yeh

IPC: G06F3/06

CPC classification number: G06F3/061 ,  G06F3/0616 ,  G06F3/064 ,  G06F3/0655 ,  G06F3/0688

Abstract: In general, a storage device may perform an incremental background media scan. The storage device includes a data storage portion comprising a plurality of blocks. The storage device also includes a controller configured to perform the scan to determine whether to perform maintenance on the page. As such, the controller may scan a first page of a first block of a set of blocks. Each block has multiple pages. The controller may, for each respective remaining block of the set, scan a respective first page of the respective remaining block, the first page having a same first index as the respective first page. The controller may further scan a second page of the first block. The controller may then, for each respective remaining block of the set, scan a respective second page of the respective remaining block, the second page having a same second index as the respective second page.

公开(公告)号：US20180074701A1

公开(公告)日：2018-03-15

申请号：US15264391

申请日：2016-09-13

Applicant: Western Digital Technologies, Inc.

Inventor： Hung-Min Chang ,  Haining Liu ,  Yuriy Pavlenko ,  Hung-Cheng Yeh

IPC: G06F3/06

CPC classification number: G06F3/061 ,  G06F3/0616 ,  G06F3/064 ,  G06F3/0655 ,  G06F3/0688

Abstract: In general, a storage device may perform an incremental background media scan. The storage device includes a data storage portion comprising a plurality of blocks. The storage device also includes a controller configured to perform the scan to determine whether to perform maintenance on the page. As such, the controller may scan a first page of a first block of a set of blocks. Each block has multiple pages. The controller may, for each respective remaining block of the set, scan a respective first page of the respective remaining block, the first page having a same first index as the respective first page. The controller may further scan a second page of the first block. The controller may then, for each respective remaining block of the set, scan a respective second page of the respective remaining block, the second page having a same second index as the respective second page.