公开(公告)号：US20150347434A1

公开(公告)日：2015-12-03

申请号：US14824972

申请日：2015-08-12

Applicant: DataDirect Networks, Inc.

Inventor： Jason M. Cope ,  Paul J. Nowoczynski ,  Pavan Kumar Kumar Uppu ,  Donald J. Molaro ,  Michael J. Piszczek ,  John G. Manning

IPC: G06F17/30 ,  G06F12/08

CPC classification number: G06F17/30091 ,  G06F12/0802 ,  G06F12/0866 ,  G06F12/0895 ,  G06F17/3012 ,  G06F17/30132 ,  G06F2212/1024 ,  G06F2212/163

Abstract: Systems and methods for reducing metadata in a write-anywhere storage system are disclosed herein. The system includes a plurality of clients coupled with a plurality of storage nodes, each storage node having a plurality of primary storage devices coupled thereto. A memory management unit including cache memory is included in the client. The memory management unit serves as a cache for data produced by the clients before the data is stored in the primary storage. The cache includes an extent cache, an extent index, a commit cache and a commit index. The movement of data and metadata is by an interval tree. Methods for reducing data in the interval tree increase data storage and data retrieval performance of the system.

Abstract translation: 这里公开了用于减少写入任何位置的存储系统中的元数据的系统和方法。 该系统包括与多个存储节点耦合的多个客户端，每个存储节点具有耦合到其上的多个主存储设备。 包括缓存存储器的存储器管理单元包括在客户机中。 在将数据存储在主存储器中之前，存储器管理单元用作由客户端生成的数据的高速缓存。 缓存包括扩展缓存，扩展名索引，提交高速缓存和提交索引。 数据和元数据的移动是间隔树。 减少间隔树中数据的方法增加了系统的数据存储和数据检索性能。

公开(公告)号：US09454533B2

公开(公告)日：2016-09-27

申请号：US14824972

申请日：2015-08-12

Applicant: DataDirect Networks, Inc.

Inventor： Jason M. Cope ,  Paul J. Nowoczynski ,  Pavan Kumar Kumar Uppu ,  Donald J. Molaro ,  Michael J. Piszczek ,  John G. Manning

IPC: G06F13/00 ,  G06F17/30 ,  G06F12/08 ,  G06F12/00

CPC classification number: G06F17/30091 ,  G06F12/0802 ,  G06F12/0866 ,  G06F12/0895 ,  G06F17/3012 ,  G06F17/30132 ,  G06F2212/1024 ,  G06F2212/163

Abstract: Systems and methods for reducing metadata in a write-anywhere storage system are disclosed herein. The system includes a plurality of clients coupled with a plurality of storage nodes, each storage node having a plurality of primary storage devices coupled thereto. A memory management unit including cache memory is included in the client. The memory management unit serves as a cache for data produced by the clients before the data is stored in the primary storage. The cache includes an extent cache, an extent index, a commit cache and a commit index. The movement of data and metadata is by an interval tree. Methods for reducing data in the interval tree increase data storage and data retrieval performance of the system.