基本信息:
- 专利标题: 사용 비트맵을 갖는 저장 장치에 대한 효율적 액세스 기법
- 专利标题(英):Efficient access to storage devices with usage bitmaps
- 专利标题(中):高效地访问存储设备与使用位置
- 申请号:KR1020147006654 申请日:2012-09-12
- 公开(公告)号:KR1020140060308A 公开(公告)日:2014-05-19
- 发明人: 메라카란 , 버마수렌드라 , 디에트릭존알
- 申请人: 마이크로소프트 테크놀로지 라이센싱, 엘엘씨
- 申请人地址: One Microsoft Way, Redmond, WA *****, U.S.A.
- 专利权人: 마이크로소프트 테크놀로지 라이센싱, 엘엘씨
- 当前专利权人: 마이크로소프트 테크놀로지 라이센싱, 엘엘씨
- 当前专利权人地址: One Microsoft Way, Redmond, WA *****, U.S.A.
- 代理人: 제일특허법인
- 优先权: US13/230,840 2011-09-12
- 国际申请: PCT/US2012/054887 2012-09-12
- 国际公布: WO2013040052 2013-03-21
- 主分类号: G06F12/00
- IPC分类号: G06F12/00 ; G06F3/06
The time to write the data set at a position included in order to avoid problems arising from the data is unknown stored in the position at the time, a storage receives a request to allocate storage (e.g., a mirrored relationship, corresponding mirror position uninitialized data that can lead to inconsistencies that jeopardize the recorded data), the storage device may initialize the content of the storage device to a default value (e.g., zero). However, initializing a storage device takes time and may be inefficient. Instead, using the bit map can be generated to present whether or not the value at the location for each of the set of locations of the storage area is present. Read request may be performed by examining the Bitmap used to determine whether or not the value at the specified position exists, and if not, a default value may be returned without having to access the storage. Can be achieved by another utility is also available for use bitmaps.
公开/授权文献:
- KR101971307B1 사용 비트맵을 갖는 저장 장치에 대한 효율적 액세스 기법 公开/授权日:2019-04-22