185results about "Redundant array of inexpensive disk systems" patented technology

A method and architecture are provided for SOC (System on a Chip) devices for RAID processing, which is commonly referred as RAID-on-a-Chip (ROC). The architecture utilizes a shared memory structure as interconnect mechanism among hardware components, CPUs and software entities. The shared memory structure provides a common scratchpad buffer space for holding data that is processed by the various entities, provides interconnection for process/engine communications, and provides a queue for message passing using a common communication method that is agnostic to whether the engines are implemented in hardware or software. A plurality of hardware engines are supported as masters of the shared memory. The architectures provide superior throughput performance, flexibility in software/hardware co-design, scalability of both functionality and performance, and support a very simple abstracted parallel programming model for parallel processing.

A filesystem-aware storage system locates and analyzes host filesystem data structures in order to determine storage usage of the host filesystem. To this end, the storage system might locate an operating system partition, parse the operating system partion to locate its data structures, and parse the operating system data structures to locate the host filesystem data structures. The storage system manages data storage based on the storage usage of the host file system. The storage system can use the storage usage information to identify storage areas that are no longer being used by the host filesystem and reclaim those areas for additional data storage capacity. Also, the storage system can identify the types of data stored by the host filesystem and manage data storage based on the data types, such as selecting a storage layout and/or an encoding scheme for the data based on the data type.

A failure predicting unit predicts a failure in a hard disk device that forms a disk array. A data transferring unit transfers data from a failure-predicted hard disk device for which the failure is predicted by the failure predicting unit to a spare disk. A data deleting unit deletes the data from the failure-predicted hard disk device after the data transferring unit completes transferring the data.

A method and apparatus for dynamic quality adjustment based on changing streaming constraints is provided. According to one aspect of the present invention, a video stream is sent to a client according to a set of streaming constraints. At least a subset of the video information in the video stream is sent from a first source. Next, a signal is received indicating a relaxation of streaming constraints corresponding to the video stream. In one embodiment, the signal is a freeze frame signal. In another embodiment, the signal is a slow motion signal. In response to the signal, a set of improved quality video information from a second source is accessed and sent to the client. According to one embodiment, the set of improved quality video information comprises a still image. According to another embodiment, the set of improved quality video information comprises a set of preprocessed video information ready to be streamed. As a result of the techniques described herein, an improved quality visual image is available for presentation on the client and, consequently, when a viewer requests a presentation rate that reduces the streaming constraints on a video streaming service, the improved quality video information may be sent using the freed-up portion of the bandwidth previously allocated to the client.

This invention realizes an editing system and control method thereof capable of significantly improving working efficiency of editing work. A proxy editing terminal device creates an EDL with low-resolution video/audio data, resulting in reducing time to create the EDL. Further, the low-resolution video/audio data and high-resolution video/audio data having the same contents and different resolutions are previously stored, so that the creation of a final edit list with the high-resolution video/audio data based on the EDL can be started in a short time after the EDL is created with the low-resolution video/audio data. Thus working efficiency of the editing work can be significantly reduced with reducing time to create the EDL and the final edit list.

A dynamically expandable and contractible fault-tolerant storage system permits variously sized storage devices. Data is stored redundantly across one or more storage devices if possible. The layout of data across the one or more storage devices is automatically reconfigured as storage devices are added or removed in order to provide an appropriate level of redundancy for the data to the extent possible. A hash-based compression technique may be used to reduce storage consumption. Techniques for freeing unused storage blocks are also disclosed.

Load balancing of activities on physical disk storage devices is accomplished by monitoring reading and writing operations to logical volumes on the physical disk storage devices. A list of exchangeable pairs of logical volumes is developed based on size and function. Statistics accumulated over an interval are then used to obtain access activity values for each logical volume and each physical disk drive. A statistical analysis selects one logical volume pair. After testing to determine any adverse effect of making that change, the exchange is made to more evenly distribute the loading on individual physical disk storage devices.

In the video signal processing device which records video signal (D60) as the material by the predetermined recording reproducing means (64) and conducts the desired editing processing upon reading out the video signal recorded in said recording reproducing means, the detection means (61) for detecting the material information (D72) added to the video signal in the case of recording the video signal by the recording reproducing means and for forming the predetermined control information (D62) based on said material information, and the memory means (35) for storing the control information formed by the detection means are provided. And thus, even if the operator would not enter the control information, it can be easily set and the editing processing based on this control information can be conducted. And thereby, the video signal processing device having further improved usability can be realized.

Various embodiments of the present invention provide systems and methods for selecting between pre-coding and non-pre-coding. As an example, a data processing circuit is disclosed that includes: a first data detector circuit, a second data detector circuit, a first comparator circuit, a second comparator circuit, and a pre-code selection circuit. The first data detector circuit is selectably configurable to operate in a pre-coded state, and operable to apply a data detection algorithm on a data input to yield a first detected output. The second data detector circuit operable to apply the data detection algorithm to the data input to yield a second detected output without compensating for pre-coding. The first comparator circuit operable to compare the first detected output against a known input to yield a first comparison value, and the second comparator circuit operable to compare the second detected output against the known input to yield a second comparison value. The pre-code selection circuit is operable to determine a selectable configuration of the first data detector circuit based at least in part on the first comparison value and the second comparison value.

An imaging device capable of displaying an outline of a moving picture as a still picture is realized. Further, reproduction of a moving picture that is started from any desired scene by using an index picture can be realized. When VD index pictures displayed on a browser screen are selected, a corresponding index representative still picture is displayed. Therefore, a moving picture such as a moving picture of a quick motion whose contents cannot be easily grasped only by the VD index picture, can be easily recognized with the addition of the corresponding index representative still picture. By selecting the VD index pictures displayed on the browser screen, display of the corresponding moving picture is started from a portion corresponding to the selected VD index picture.

A method and apparatus for dynamic quality adjustment of digital media based on changing streaming constraints is provided. A digital media server sends a digital media stream according to a set of streaming constraints to a requesting client. Audio and visual information may be sent to a requesting client together in a single stream, or separately in multiple streams. A client sends a request over a control network to the digital media server indicating information of a particular type is no longer desired. In response to receiving the signal, the video server ceases transmission of that particular type of information to the signaling client, thus relaxing streaming constraints. As a result of the techniques described herein, an improved quality digital presentation is available for the client and, consequently, when a viewer signals that a particular type of information is not desired, that particular type of information is not transmitted to the client, which thereby reduces the streaming constraints on a video streaming service, and improved quality digital media information may be sent to any client using the freed-up portion of the bandwidth previously allocated to the signaling client.

Storage destination controller devices wherein N number of data strips and M number of parity strips comprised in each stripe are determined so that the parity strips are not continuously stored to the same memory device between two consecutive stripes when a plurality of stripes, each comprising the N number of data strips and the M number of parity strips of different types, are distributed and stored to the N+M number of memory devices.

On a display monitor (102) the first region is displayed representing a first timeline (601) showing transitions between a first set of image clips. A second region is displayed representing a second timeline (602) showing transitions between a second set of image clips. Control points (621,622) are displayed over said first timeline (601) and over second timeline (602). The location of the control points controls an effect upon a first clip (601) and upon a second clip (602).

A system that detects the onset of hard disk drive failure. During operation, the system measures vibrations from the hard disk drive to produce one or more vibration signals. Next, the system generates a vibration signature for the hard disk drive from the measured vibration signals. The system then determines if the vibration signature indicates the onset of hard disk failure by comparing the vibration signature with a reference vibration signature for the hard disk drive. If so, the system generates a warning or takes a remedial action.

An image processing system processes image data in response to a sequence of image processing steps defined by a process tree data structure. The process tree comprises a plurality of interconnected nodes, including input nodes and at least one output node. Output rendering is performed a frame at a time, and each frame is rendered in a time determined by the amount of processing defined by the process tree. The process tree may comprise many branches of interconnected nodes, and the user can selectively cache intermediately rendered frames at nodes where the contributing process tree branches are relatively stable in their configuration. The user may then make modifications to processes in other parts of the process tree, without having to wait for image data to be rendered from unchanged parts of the process tree.

An EPL maker (10) is composed mainly of editing terminals (15), (16) and (17) each reading and decoding each of highly compressed sub materials to produce a material data and make an EPL while displaying, on a monitor, a video based on the material data. The EPL includes identification information for identification of a material used in editing and a format declare state for defining a format of at least a certain material. The EPLs made by the editing terminals (15), (16) and (17) are stored into an EPL storage unit (18). The EPLs stored in the EPL storage unit (18) are read by an edit controller (20). The edit controller (20) makes an edit control signal based on the EPLs, and supplies the signal to a content maker (30). Thus, an editing can be executed with having not to pool the materials once on hand and with labors and costs.

A digital-cinema processing apparatus for ingesting a digital cinema package (DCP) in a storage device includes a DCP obtaining unit configured obtain at least one divided DCP to be ingested among divided DCPs including a common asset map corresponding to a digital cinema, the divided DCPs having allocated thereto one or more picture track files, sound track files, and/or subtitle track files for the digital cinema; an asset-map-information extracting unit configured to extract asset map information from the asset map included in the divided DCP to be ingested, the asset map information being information unique to the asset map; a directory determining unit configured to determine an ingestion destination directory for the divided DCP in the storage device on the basis of the asset map information; and an ingesting unit configured to ingest the divided DCP in the ingestion destination directory of the storage device.