Virtual file system

A virtual file system and virtual file technology, applied in the field of interactive broadband server systems, can solve problems such as limiting online bandwidth

Inactive Publication Date: 2011-04-13
INTERACTIVE CONTENT ENGINES LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the number of switch ports is twice the number of servers, limiting the overall online bandwidth

Method used

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  • Virtual file system
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Embodiment Construction

[0017] The following description is provided to enable one of ordinary skill in the art to make and use the invention provided in the context and requisites of the specific application. While various modifications of the preferred embodiment will be apparent to those skilled in the art, the general principles identified herein can be applied to other embodiments. Thus, the present invention is not limited to the specific embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0018] The architecture described here provides independent components that change performance, avoiding installation when the original system is purchased. Using commodity components ensures the use of the latest state-of-the-art technology, avoids single sourcing, and achieves the lowest cost per stream. Failure of individual components is also tolerant. In many cases, there are no noticeable changes on the fly...

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PUM

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Abstract

A virtual file system (209) including multiple storage processor nodes (103) including a management node (205), a backbone switch (101), a disk drive array (111), and a virtual file manager (301) executing on the management node. The backbone switch enables communication between the storage processor nodes. The disk drive array is coupled to and distributed across the storage processor nodes and stores multiple titles. Each title is divided into data subchunks (113a) - (113e) which are distributed across the disk drive array in which each subchunk is stored on a disk drive of the disk drive array. The virtual file manager manages storage and access of each subchunk, and manages multiple directory entries including a directory entry for each title. Each directory entry is a list of subchunk location entries in which each subchunk location entry includes a storage processor node identifier, a disk drive identifier, and a logical address for locating and accessing each subchunk of each title.

Description

technical field [0001] The invention relates to an interactive broadband server system, in particular to a virtual file system for managing and maintaining data information distributed in storage device arrays. Background technique [0002] It has long been desired to provide a solution for storing and transmitting streaming media content. The initial target for scalability is 100 to 1,000,000 simultaneous independently synchronized content streams at 4 megabits per second (Mbps) per stream, although different data speeds are considered. The total available bandwidth is limited by the largest available backplane switch, which is currently in the range of terabits per second, or about 200,000 simultaneous output streams. In general, the number of output streams is inversely proportional to the bitrate per stream. [0003] The simplest model for content storage is a single disk drive connected to a single processor with a single network connector. The data is read from the ...

Claims

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Application Information

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IPC IPC(8): G06F15/16G06F17/30G06F7/00
Inventor 史蒂文・W・罗斯尼尔・A・罗茨科里纳・G・阿布杜尔
Owner INTERACTIVE CONTENT ENGINES LLC
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