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storage hardware
(126 results)Search the Library
Mission Statement
TechRepublic's ITPapers is the Web's largest library of free technical IT white papers, webcasts, and case studies. Covering IT categories including Data Management, IT Management, Networking, Communications, Enterprise Applications, Storage, Security and much more, TechRepublic's White Paper Directory is the best source for technical white papers and IT information.
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Whitepapers
Hard Disk Drives Vs. Solid State Drives: A Performance Evaluation
May 2009
Solid State Drives are high-performance plug-and-play data storage devices that contain no moving parts. This paper attempts to highlight performance characteristics of Solid State Drives (SSDs)...
Provided by LSI
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White Papers
Monitoring Scrum Projects with AgileEVM & Earned Business Value (EBV) Metrics
Dec 2010
Scrum is a popular project management framework for agile projects. Scrum projects are typically managed quite informally, with the only metrics used being various velocity metrics and burndown...
Provided by CollabNet
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White Papers
Introduction to Agile Software Development
Oct 2010
What is Agile? How can Agile help improve my organization? This paper discusses answers to these questions. First comes an introduction to the two broad schools of thought common to software...
Provided by CollabNet
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White Papers
Issue Tracking: Agile Development Environment
Oct 2010
The term "issue tracking software" is most often associated with a bugtracker. However, in software development, the definition of an "issue" is much broader. As more organizations embrace Agile...
Provided by CollabNet
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White Papers
USB 3.0
Jan 2009
USB 3.0 is an emerging technology that will enhance the current USB 2.0 standard in numerous ways. The demand for large hard drives and devices, such as cameras and jump drives, in recent years...
Provided by East Carolina University
-
White Papers
Incident Response: Speed Can Mean the Difference Between Success and Failure
Nov 2009
When it comes to investigations and incident response speed is all important. The faster an examiner gets the data in a consumable form the faster an incident can be diagnosed and resolved. Even...
Provided by AccessData
-
White Papers
Redundant Optical Storage System Using DVD-RAM Library
May 2009
A Digital Virtual Disk (DVD) Random Access Memory (RAM) Redundant Array of Inexpensive Libraries (RAIL) optical storage system has been developed and tested at NTT Integrated Information & Energy...
Provided by NTT Communication Science Laboratories
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White Papers
Line Balancing in the Hard Disk Drive Process Using Simulation Techniques
Jan 2010
Simulation model is an easy way to build up models to represent real life scenarios, to identify bottlenecks and to enhance system performance. Using a valid simulation model may give several...
Provided by World Academy of Science, Engineering and Technology
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White Papers
An Analysis of Hard Drive Energy Consumption
Oct 2008
The increasing storage capacity and necessary redundancy of data centers and other large-scale IT facilities has drawn attention to the issue of reducing the power consumption of hard drives. This...
Provided by University of Cambridge
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White Papers
RE: Hard Drive Reliability and RAID 0
Jul 2008
With the advent of the RAIDFrame, High-Rely entered a unique world of which there was little comparison. The RAIDFrame currently offers RAIDPacs in either a RAID 5 configuration (recommended) or...
Provided by Highly Reliable Systems
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White Papers
Prediction of Hard Drive Failures Via Rule Discovery From AutoSupport Data
Sep 2009
The ability to accurately predict an impending hard disk failure is important for reliable storage system design. The facility provided by most hard drive manufacturers, called S.M.A.R.T....
Provided by Indian Institute of Science
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White Papers
Seagate Barracuda ES.2 SAS Hard Drives and LSI MegaRAID SAS/SATA Adapters: Ideal for Low-Cost Servers and Nearline Applications
Dec 2008
With SCSI technology dwindling and Serial ATA (SATA) and Serial Attached SCSI (SAS) technology gaining ground, many customers question which hard drive and RAID adapter are best for their specific...
Provided by LSI
-
White Papers
Mems Sugar Enabled Nano-Modeling of Elements in Hard Disk Drive System Along With Reliability Implications
Feb 2010
The paper has demonstrated the impact of developments in nanotechnology to Hard Disk Drive (HDD) technology. The paper has put forth a proposition to enhance the modeling of future storage devices...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Packing a Multidisperse System of Hard Disks in a Circular Environment
Feb 2009
This paper considers the problem of finding the densest closed packing of hard disks with proposed different radii in a circular environment, such that the radius of the circumcircle is minimal....
Provided by American Physical Society
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White Papers
Improvement of Hard Disk Drive's Arm Bending Machine Using Fuzzy Logic
Jun 2008
Hard Disk Drive's arm (HDD's arm) is one of the key elements in the HDD assembly. This element has to have the height of the arm measured from the reference be in the required range To get such...
Provided by Naresuan University
-
White Papers
PID Controller Design for Following Control of Hard Disk Drive by Characteristic Ratio Assignment Method
Dec 2009
The author present PID controller design for following control of hard disk drive by characteristic ratio assignment method. The study in this paper concerns design of a PID controller which...
Provided by King Mongkut's Institute of Technology Ladkrabang
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White Papers
Enterprise-Class Versus Desktop Class Hard Drives
Apr 2008
In today's economic landscape server system integrators are challenged to balance data and system reliability with cost. It is important to balance the type, capacity, and number of hard drives in...
Provided by Intel
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White Papers
Controlling the Rising Risk of Removable Storage Devices in the Enterprise
Aug 2007
While removable storage technologies make employees more productive, they also present new threats to IT security. The huge storage capacities and extremely fast transfer rates of today's portable...
Provided by GuardianEdge Technologies
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Case Studies
Scheufelen GmbH Assures 24x7 Production With NetApp FC SAN
Sep 2008
Scheufelen GmbH produces more than 300,000 tons of premium coated paper each year with annual revenues of approximately ?236 million. The paper factory in Lenninger Valley is in family hands and...
Provided by NetApp
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Whitepapers
Using IBM i Virtual Tape Support to Perform Saves and Restores to a Tape Drive in a Hosting Partition
Jan 2010
Starting with IBM i version 6.1 (V6R1) and POWER6 hardware, IBM i can now host IBM i. Previous support was limited to AIX and Linux. A client logical partition (LPAR) is a partition that is using...
Provided by IBM
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Whitepapers
Performance Value of Solid State Drives Using IBM i
Jan 2010
Solid State Drives (SSDs) offer a number of advantages over traditional Hard Disk Drives (HDDs). With no seek time or rotational delays, SSDs can deliver substantially better I/O performance than...
Provided by IBM
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White Papers
Making Cents of Tape Vs. Disk: The Complete Guide on What to Choose and Why
Apr 2010
Perhaps the most interesting thing about the tape verses disk argument is that there is still an argument. Most storage mediums transition from old to new without even so much as a fuss as the...
Provided by Nexsan
-
White Papers
Seagate Barracuda ES.2 SAS Hard Drives and LSI MegaRAID SAS/SATA Adapters
Jan 2009
Parallel SCSI may be nearing obsolescence due to certain fundamental limitations. But the fact remains that for nearly two decades it had dominated the hard drive market through its...
Provided by LSI
-
White Papers
Beyond Software RAID
Sep 2009
A Virtual RAID Adapter (VRA) is a unique and new class of pure, host-based software RAID solution. It combines the key advantages of pure software RAID with many of the key advantages of hardware...
Provided by Dot Hill Systems
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White Papers
Mtron Flash SSD Single Drive and Raid Array Benchmarks
Dec 2007
The Mtron drives perform very well. With 40 uS access times, the random and linear read performance is excellent. In terms of write performance, the linear performance is again excellent. The...
Provided by Easy Coding
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Case Studies
Information Solutions Provider Upgrades to Cisco 4Gbps FICON Switching and Storage Infrastructure in Record Time
May 2008
Thomson Transaction Services (TTS) wanted to complete overhaul of FICON SAN infrastructure in less than two months without disrupting service or interfering with daily business and increase...
Provided by Cisco Systems
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White Papers
High-Performance RAID Storage for Post-Production Workflows
Jul 2010
As NLE systems such as Apple Final Cut Pro, Avid Media Composer, and Adobe Premier continue to add support for higher spatial resolutions (2k, 4k, etc.) and high-quality codecs such as ProRes 4444...
Provided by Dot Hill Systems Corp
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White Papers
The Value of Using ECC Memory in Embedded Applications
Oct 2009
This paper provides an introduction to Error Correcting Code (ECC) DRAM. It discusses the risks of a system encountering random memory errors and the approaches for combating them. DRAM is...
Provided by Advanced Micro Devices
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White Papers
White Paper: RAID for CCTV
Nov 2009
Everyone wants to record CCTV video. And although everyone wants a reliable recording system, the truth is that this reliability is based on a number of factors. This white paper briefly examines...
Provided by Bosch
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White Papers
Minuet: Rethinking Concurrency Control in Storage Area Networks
Jan 2009
Clustered applications in storage area networks (SANs), widely adopted in enterprise datacenters, have traditionally relied on distributed locking protocols to coordinate concurrent access to...
Provided by University of California
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White Papers
Multicast Support for a Storage Area Network Switch
Apr 2007
Efficient support of multicast traffic in Storage Area Networks (SANs) enables applications such as remote data replication and distributed multimedia systems, in which a server must access...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Integrating Dell Equallogic SANs With Citrix Xenserver
Oct 2008
Hypervisor-based virtualization offers enterprises opportunities for cost savings, increased security and greater operational flexibility, availability and efficiency. By creating an paper layer...
Provided by Dell
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White Papers
Running Title: Investigating SANS/CWE Top 25 Programming Errors
Apr 2009
On January 12, 2009, experts from more than 30 cyber security organizations jointly released a consensus list of the top 25 most dangerous programming errors (http://www.sans.org/top25errors/)....
Provided by East Carolina University
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White Papers
Deploying the Hitachi NAS Platform in VMware VSphere Environments Using the Hitachi Adaptable Modular Storage 2000 Family
Dec 2009
Explosive growth in NAS filers that is required to meet user demand results in administrative headaches and increasing equipment costs. Deploying VMware vSphere 4 on the Hitachi NAS Platform 3080...
Provided by Hitachi Data Systems
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Whitepapers
Managing an FLR-Enabled NAS Environment With the EMC Celerra FLR Toolkit
Aug 2010
EMC Celerra File-Level Retention (FLR) is a feature that provides a software infrastructure for users to secure files on a production file system and retain the files on cost-effective...
Provided by EMC
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White Papers
Exploring RAID Configurations
Aug 2008
To address the limits of today's slow mechanical disks, this paper explored a number of data layouts to improve RAID performance. The authors found that by dedicating more disks to hosting popular...
Provided by Florida State University
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White Papers
Dual-Crosshatch Disk Array: A Highly Reliable-RAID Architecture
Jan 2010
This paper proposes a highly reliable RAID architecture called a Dual-Crosshatch Disk Array. It used the proposed interleaved 2d-parity scheme, a low overhead triple-erasure correcting parity...
Provided by Iowa State University
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White Papers
NetApp RAID-DP?: Dual-Parity RAID 6 Protection Without Compromise
Apr 2010
As disk drive densities continue to increase, and companies adopt SATA disk drives to reduce storage costs, data loss due to concurrent disk drive failure and error in a RAID group has become a...
Provided by NetApp
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White Papers
A Response Time Distribution Model for Zoned RAID
Jun 2008
RAID systems are widely deployed, both as standalone storage solutions and as the building blocks of modern virtualised storage platforms. An accurate model of RAID system performance is therefore...
Provided by Imperial College London
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White Papers
Towards the Emulation of RAID
Mar 2010
The artificial intelligence solution to Internet QoS is defined not only by the analysis of local-area networks, but also by the private need for rasterization. In the research, the authors...
Provided by International Institute of Technology
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Whitepapers
A Review on Substrate Integrated Waveguide and Its Microstrip Interconnect
Oct 2012
Substrate Integrated Waveguides (SIW) are used for transmission of Electromagnetic waves. They are planar structures belonging to the family of Substrate Integrated Circuits. Because of their...
Provided by IOSR Journal of Engineering
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Whitepapers
Triple-Star: A Coding Scheme with Optimal Encoding Complexity for Tolerating Triple Disk Failures in RAID
Mar 2012
Low encoding/decoding complexity is essential for practical storage systems. This paper presents a new Maximum Distance Separable (MDS) array codes, called Triple-Star, for tolerating triple disk...
Provided by University of Electronic Science and Technology
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Whitepapers
A Novel Approach to Use ZnO Thin Film as a Switching in Dynamic Random Access Memory (DRAM) Cell
Apr 2012
Resistance switching Random Access Memory (RRAM) has drawn considerable attention for the application in non-volatile memory element in semiconductor memory devices. A ZnO thin film now assumed to...
Provided by International Journal of Computer Applications
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Whitepapers
The Computerized Pen Drive
Mar 2012
This paper proposes an extremely innovative and creative pen-drive model which is totally computerized. The Imagination of a pen drive with a display and in-build USB ports has resulted in the...
Provided by International Journal of Computer Applications
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Whitepapers
Design of Reversible Random Access Memory
Oct 2012
Reversible logic has become immensely popular research area and its applications have spread in various technologies for their low power consumption. In this paper, the authors proposed an...
Provided by International Journal of Computer Applications
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Whitepapers
On the Reliability of RAID Systems: An Argument for More Check Drives
Feb 2012
In this paper, the authors address issues of reliability of RAID systems. They focus on "Big data" systems with a large number of drives and advanced error correction schemes beyond RAID 6. Their...
Provided by Cornell University
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Whitepapers
Partial-MDS Codes and Their Application to RAID Type of Architectures
May 2012
A family of codes with a natural two-dimensional structure is presented, inspired by an application of RAID type of architectures whose units are Solid State Drives (SSDs). Arrays of SSDs behave...
Provided by Cornell University
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Whitepapers
Parallel Mass Transfer Simulation of Nanoparticles Using Nonblocking Communication
Jan 2010
This paper presents experiences and results obtained in optimizing parallelization of the mass transfer simulation in the High Gradient Magnetic Separation (HGMS) of nano-particles using...
Provided by Science and Development Network (SciDev.Net)
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Whitepapers
Design of Low Power Double Data Rate 3 Memory Controller With AXI Compliant
Jun 2012
As system bandwidths continue to increase, memory technologies have been optimized for higher speeds and performance. The next generation family of Double Data Rate (DDR) RAMs are DDR3 RAM. DDR3...
Provided by International Journal of Engineering and Advanced Technology (IJEAT)
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Whitepapers
Device Driver Fault Simulation Using KEDR
Jun 2012
The failure resilience of a system is very important for availability and reliability. The systems like servers or systems where reliability and availability is highly demanding data loss is...
Provided by International Journal of Advanced Research in Computer Engineering & Technology
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Whitepapers
Current Mode Sense Amplifier for SRAM Memory
May 2012
The sense amplifier is one of the most important components of semiconductor memories used to sense stored date. This plays an important role to reduce the overall sensing delay and voltage....
Provided by IJERT - International Journal of Engineering Research and Technology
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Whitepapers
On Some Propagation Characteristics of Tropical Atmospheric and Cosmic Radio Noise
Jul 2011
Sources responsible for generating noise in the magnetospheric and ionospheric cavities with reference to the relative power levels in different frequency bands are examined. Some propagation...
Provided by International Journal of Engineering Science and Technology
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Webcasts
How to Know How Much RAM Should You Get for Your Computer
Jan 2012
In this Webcast the presenter describes about the usage of RAM in the computer. The presenter describes always get more RAM for the computer. One can never have too much RAM. Having too much RAM...
Provided by Videojug
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White Papers
Spread Spectrum Magnetic Resonance Imaging
Mar 2012
The authors propose a novel compressed sensing technique to accelerate the Magnetic Resonance Imaging (MRI) acquisition process. The method, coined spread spectrum MRI or simply s2MRI, consists of...
Provided by University of Lausanne
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White Papers
Design and VLSI Implementation of DDR SDRAM Controller for High Speed Applications
Jul 2011
Synchronous DRAM (SDRAM) has become a mainstream memory of choice in design due to its speed, burst access and pipeline features. For high-end applications using processors, the interface to the...
Provided by International Journal of Computer Science and Information Technologies
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White Papers
Design and FPGA Implementation of DDR3 SDRAM Controller for High Performance
Aug 2011
The demand for faster and cheaper memories has been increasing by the day. Hence, these memory devices are rapidly developing to give high density and high memory bandwidths. However, with the...
Provided by Academy & Industry Research Collaboration Center
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White Papers
To Reduce SRAM Sub-Threshold Leakage Using Stack and Zig-Zag Techniques
Apr 2012
The growing market of portable electronics devices demands lesser power dissipation for longer battery life and compact system. Considerable attention has been given to the design of low-power and...
Provided by International Journal of Scientific Engineering and Technology
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White Papers
Deep Sub-Micron SRAM Design for DRV Analysis and Low Leakage
Nov 2011
This paper deals with the design opportunities of Static Random Access Memory (SRAM) for lower power consumption and propagation delay. Initially, the existing SRAM architectures are investigated,...
Provided by International Journal of Advances in Engineering & Technology (IJAET)
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White Papers
Analysis of Leakage Reduction Technique on Different SRAM Cells
Jan 2012
Leakage components is very important for estimation and reduction of leakage power, especially for low power applications. This provides the motivation to explore the design of low leakage SRAM...
Provided by International Journal of Engineering Trends and Technology
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White Papers
FIOS: A Fair, Efficient Flash I/O Scheduler
Jan 2012
Flash-based Solid-State Drives (SSDs) have the potential to eliminate the I/O bottlenecks in data-intensive applications. However, the large performance discrepancy between Flash reads and writes...
Provided by University of Rochester
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White Papers
Design and Modelling of Paralleled RAM Architecture
Jan 2012
In this paper a structural approach to the design of Two-Dimensional (2D) addressing mode Static Random Access Memory (RAM) using Very High Speed Integrated Circuit Hardware Description Language...
Provided by International Association of Computer Science & Information Technology (IACSIT)
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White Papers
Reducing Hybrid Disk Write Latency With Flash-Backed I/O Requests
Aug 2007
One of the biggest bottlenecks in desktop-based computing is the hard disk with I/O write latency being a key contributor. I/O write latency stems from the mechanical nature of hard disks, with...
Provided by University of California
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White Papers
Improving Disk Array Reliability Through Expedited Scrubbing
May 2010
Disk scrubbing periodically scans the contents of a disk array to detect the presence of irrecoverable read errors and reconstitute the contents of the lost blocks using the built-in redundancy of...
Provided by Santa Clara University
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White Papers
Reliability Modelling of Disk Subsystems With Probabilistic Model Checking
Sep 2011
The authors discuss how probabilistic model checking, a variant of model checking, can be useful in modelling multiple failures in disk subsystems, as it allows specification of probabilities or...
Provided by Indian Institute of Science
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White Papers
Design Issues for a Shingled Write Disk System
Apr 2010
If the data density of magnetic disks is to continue its current 30-50% annual growth, new recording techniques are required. Among the actively considered options, shingled writing is currently...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Hardware Efficient Approach for Memoryless-Based Multiplication and Its Application to FIR Filter
Nov 2011
In conventional memory-based multiplication design, the multiplier is replaced by a read only memory (ROM). Since the memory size increases exponentially with the input length, in this paper, a...
Provided by Academy Publisher
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White Papers
Hardware/Software Techniques for DRAM Thermal Management
Dec 2010
The performance of the main memory is an important factor on overall system performance. To improve DRAM performance, designers have been increasing chip densities and the number of memory...
Provided by Northwestern University
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White Papers
Performance Characteristics of Hybrid MPI/OpenMP Implementations of NAS Parallel Benchmarks SP and BT on Large-Scale Multicore Clusters
Jun 2011
The NAS Parallel Benchmarks (NPB) are well-known applications with fixed algorithms for evaluating parallel systems and tools. Multicore clusters provide a natural programming paradigm for hybrid...
Provided by Texas A&M University
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White Papers
Power-Aware Predictive Models of Hybrid (MPI/OpenMP) Scientific Applications on Multicore Systems
Jun 2011
Predictive models enable a better understanding of the performance characteristics of applications on multicore systems. Previous work has utilized performance counters in a system-centered...
Provided by Texas A&M University
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White Papers
Two-Tier Bloom Filter to Achieve Faster Membership Testing
Mar 2008
Bloom filters are widely used with many applications in the domain of networks. One application of interest is representing large file lists; for example lists of shared files in servers or caches...
Provided by University of South Florida
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White Papers
Application of Nanojunction-Based RRAM to Reconfigurable IC
Aug 2008
In this paper, a novel reconfigurable architecture, rFPGA, is developed by utilizing high-density resistive memory (RRAM) circuits as FPGA components. Different from the existing CMOS-nano hybrid...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Assessment of a PML Boundary Condition for Simulating an MRI Radio Frequency Coil
Jun 2008
The dimensions and resolutions of a discretized domain for calculating electromagnetic fields can be restrained by the memory and computational capacity of the computer. As a result, the...
Provided by Hindawi Publishing
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White Papers
Low Profile EBG Resonator Antennas
Mar 2009
An Electromagnetic Band Gap (EBG) antenna is a planar structure which is composed of a cavity and an EBG material. In most applications, the height of the EBG antenna is half wavelength. The...
Provided by Hindawi Publishing
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White Papers
Mutual Coupling in Antenna Arrays
Apr 2010
Mutual coupling is an electromagnetic phenomenon which exists in many antenna arrays. In most of the usual cases it is detrimental to the antenna operation, although there are some examples in...
Provided by Hindawi Publishing
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White Papers
PRML Detection of Multi-Level DVD Channels With Run-Length-Limited Modulation
Jun 2007
Multi-level optical recording using Run-Length-Limited (RLL) modulation is a novel method to significantly increase the information recording density without changing optical or mechanical...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Spatial Correlation for DoA Characterization Using Von Mises
Jul 2011
This paper presents mathematical expressions for the spatial correlation between elements of linear and circular antenna arrays, considering cosine, Gaussian, and Von Mises distributions, for the...
Provided by Hindawi Publishing
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White Papers
Optimization of a 12.5 GHz Microstrip Antenna Array Using Taguchi's Method
Jul 2011
This paper presents Taguchi's optimization method implemented in the design of a single feed (without any matching network) 5×5 microstrip antenna array operating around 12.5GHz. The proposed...
Provided by Hindawi Publishing
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White Papers
Scattering of a Plane Wave by an Anisotropic Plasma-Coated Conducting Sphere
Aug 2011
The electromagnetic field in homogeneous plasma anisotropic medium can be expressed as the addition of the first and second spherical vector wave functions in plasma anisotropic medium. The...
Provided by Hindawi Publishing
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White Papers
Optimized Operator-Splitting Methods in Numerical Integration of Maxwell's Equations
Apr 2011
Optimized operator splitting methods for numerical integration of the time domain Maxwell's equations in Computational ElectroMagnetics (CEM) are proposed for the first time. The methods are based...
Provided by Hindawi Publishing
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White Papers
Design and Optimization of an EBG Antenna with an Efficient Electromagnetic Solver
Sep 2011
A novel Electromagnetic BandGap (EBG) antenna has been designed, optimized, and analyzed using an efficient electromagnetic solver based on the moment method. Very good agreement between...
Provided by Hindawi Publishing
-
White Papers
Introduction to Agile Software Development
Oct 2010
What is Agile? How can Agile help improve my organization? This paper discusses answers to these questions. First comes an introduction to the two broad schools of thought common to software...
Provided by CollabNet
-
White Papers
What is Agile ALM
Jan 2011
Application Lifecycle Management (ALM) is the management of the software application lifecycle from initial development to final release. ALM encompasses all of the practices, processes and tools...
Provided by CollabNet
-
White Papers
USB 3.0
Jan 2009
USB 3.0 is an emerging technology that will enhance the current USB 2.0 standard in numerous ways. The demand for large hard drives and devices, such as cameras and jump drives, in recent years...
Provided by East Carolina University
-
White Papers
Incident Response: Speed Can Mean the Difference Between Success and Failure
Nov 2009
When it comes to investigations and incident response speed is all important. The faster an examiner gets the data in a consumable form the faster an incident can be diagnosed and resolved. Even...
Provided by AccessData
-
White Papers
Redundant Optical Storage System Using DVD-RAM Library
May 2009
A Digital Virtual Disk (DVD) Random Access Memory (RAM) Redundant Array of Inexpensive Libraries (RAIL) optical storage system has been developed and tested at NTT Integrated Information & Energy...
Provided by NTT Communication Science Laboratories
-
White Papers
Line Balancing in the Hard Disk Drive Process Using Simulation Techniques
Jan 2010
Simulation model is an easy way to build up models to represent real life scenarios, to identify bottlenecks and to enhance system performance. Using a valid simulation model may give several...
Provided by World Academy of Science, Engineering and Technology
-
White Papers
An Analysis of Hard Drive Energy Consumption
Oct 2008
The increasing storage capacity and necessary redundancy of data centers and other large-scale IT facilities has drawn attention to the issue of reducing the power consumption of hard drives. This...
Provided by University of Cambridge
-
White Papers
RE: Hard Drive Reliability and RAID 0
Jul 2008
With the advent of the RAIDFrame, High-Rely entered a unique world of which there was little comparison. The RAIDFrame currently offers RAIDPacs in either a RAID 5 configuration (recommended) or...
Provided by Highly Reliable Systems
-
White Papers
Prediction of Hard Drive Failures Via Rule Discovery From AutoSupport Data
Sep 2009
The ability to accurately predict an impending hard disk failure is important for reliable storage system design. The facility provided by most hard drive manufacturers, called S.M.A.R.T....
Provided by Indian Institute of Science
-
White Papers
Seagate Barracuda ES.2 SAS Hard Drives and LSI MegaRAID SAS/SATA Adapters: Ideal for Low-Cost Servers and Nearline Applications
Dec 2008
With SCSI technology dwindling and Serial ATA (SATA) and Serial Attached SCSI (SAS) technology gaining ground, many customers question which hard drive and RAID adapter are best for their specific...
Provided by LSI
-
White Papers
Mems Sugar Enabled Nano-Modeling of Elements in Hard Disk Drive System Along With Reliability Implications
Feb 2010
The paper has demonstrated the impact of developments in nanotechnology to Hard Disk Drive (HDD) technology. The paper has put forth a proposition to enhance the modeling of future storage devices...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Packing a Multidisperse System of Hard Disks in a Circular Environment
Feb 2009
This paper considers the problem of finding the densest closed packing of hard disks with proposed different radii in a circular environment, such that the radius of the circumcircle is minimal....
Provided by American Physical Society
-
White Papers
Improvement of Hard Disk Drive's Arm Bending Machine Using Fuzzy Logic
Jun 2008
Hard Disk Drive's arm (HDD's arm) is one of the key elements in the HDD assembly. This element has to have the height of the arm measured from the reference be in the required range To get such...
Provided by Naresuan University
-
White Papers
PID Controller Design for Following Control of Hard Disk Drive by Characteristic Ratio Assignment Method
Dec 2009
The author present PID controller design for following control of hard disk drive by characteristic ratio assignment method. The study in this paper concerns design of a PID controller which...
Provided by King Mongkut's Institute of Technology Ladkrabang
-
White Papers
Enterprise-Class Versus Desktop Class Hard Drives
Apr 2008
In today's economic landscape server system integrators are challenged to balance data and system reliability with cost. It is important to balance the type, capacity, and number of hard drives in...
Provided by Intel
-
White Papers
Controlling the Rising Risk of Removable Storage Devices in the Enterprise
Aug 2007
While removable storage technologies make employees more productive, they also present new threats to IT security. The huge storage capacities and extremely fast transfer rates of today's portable...
Provided by GuardianEdge Technologies
-
Case Studies
Scheufelen GmbH Assures 24x7 Production With NetApp FC SAN
Sep 2008
Scheufelen GmbH produces more than 300,000 tons of premium coated paper each year with annual revenues of approximately ?236 million. The paper factory in Lenninger Valley is in family hands and...
Provided by NetApp
-
Whitepapers
Using IBM i Virtual Tape Support to Perform Saves and Restores to a Tape Drive in a Hosting Partition
Jan 2010
Starting with IBM i version 6.1 (V6R1) and POWER6 hardware, IBM i can now host IBM i. Previous support was limited to AIX and Linux. A client logical partition (LPAR) is a partition that is using...
Provided by IBM
-
Whitepapers
Performance Value of Solid State Drives Using IBM i
Jan 2010
Solid State Drives (SSDs) offer a number of advantages over traditional Hard Disk Drives (HDDs). With no seek time or rotational delays, SSDs can deliver substantially better I/O performance than...
Provided by IBM
-
White Papers
Making Cents of Tape Vs. Disk: The Complete Guide on What to Choose and Why
Apr 2010
Perhaps the most interesting thing about the tape verses disk argument is that there is still an argument. Most storage mediums transition from old to new without even so much as a fuss as the...
Provided by Nexsan
-
Whitepapers
Hard Disk Drives Vs. Solid State Drives: A Performance Evaluation
May 2009
Solid State Drives are high-performance plug-and-play data storage devices that contain no moving parts. This paper attempts to highlight performance characteristics of Solid State Drives (SSDs)...
Provided by LSI
-
White Papers
Seagate Barracuda ES.2 SAS Hard Drives and LSI MegaRAID SAS/SATA Adapters
Jan 2009
Parallel SCSI may be nearing obsolescence due to certain fundamental limitations. But the fact remains that for nearly two decades it had dominated the hard drive market through its...
Provided by LSI
-
White Papers
Beyond Software RAID
Sep 2009
A Virtual RAID Adapter (VRA) is a unique and new class of pure, host-based software RAID solution. It combines the key advantages of pure software RAID with many of the key advantages of hardware...
Provided by Dot Hill Systems
-
White Papers
Mtron Flash SSD Single Drive and Raid Array Benchmarks
Dec 2007
The Mtron drives perform very well. With 40 uS access times, the random and linear read performance is excellent. In terms of write performance, the linear performance is again excellent. The...
Provided by Easy Coding
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Case Studies
Information Solutions Provider Upgrades to Cisco 4Gbps FICON Switching and Storage Infrastructure in Record Time
May 2008
Thomson Transaction Services (TTS) wanted to complete overhaul of FICON SAN infrastructure in less than two months without disrupting service or interfering with daily business and increase...
Provided by Cisco Systems
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White Papers
High-Performance RAID Storage for Post-Production Workflows
Jul 2010
As NLE systems such as Apple Final Cut Pro, Avid Media Composer, and Adobe Premier continue to add support for higher spatial resolutions (2k, 4k, etc.) and high-quality codecs such as ProRes 4444...
Provided by Dot Hill Systems Corp
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White Papers
The Value of Using ECC Memory in Embedded Applications
Oct 2009
This paper provides an introduction to Error Correcting Code (ECC) DRAM. It discusses the risks of a system encountering random memory errors and the approaches for combating them. DRAM is...
Provided by Advanced Micro Devices
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White Papers
Issue Tracking: Agile Development Environment
Oct 2010
The term "issue tracking software" is most often associated with a bugtracker. However, in software development, the definition of an "issue" is much broader. As more organizations embrace Agile...
Provided by CollabNet
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White Papers
White Paper: RAID for CCTV
Nov 2009
Everyone wants to record CCTV video. And although everyone wants a reliable recording system, the truth is that this reliability is based on a number of factors. This white paper briefly examines...
Provided by Bosch
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White Papers
Minuet: Rethinking Concurrency Control in Storage Area Networks
Jan 2009
Clustered applications in storage area networks (SANs), widely adopted in enterprise datacenters, have traditionally relied on distributed locking protocols to coordinate concurrent access to...
Provided by University of California
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White Papers
Multicast Support for a Storage Area Network Switch
Apr 2007
Efficient support of multicast traffic in Storage Area Networks (SANs) enables applications such as remote data replication and distributed multimedia systems, in which a server must access...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Integrating Dell Equallogic SANs With Citrix Xenserver
Oct 2008
Hypervisor-based virtualization offers enterprises opportunities for cost savings, increased security and greater operational flexibility, availability and efficiency. By creating an paper layer...
Provided by Dell
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White Papers
Running Title: Investigating SANS/CWE Top 25 Programming Errors
Apr 2009
On January 12, 2009, experts from more than 30 cyber security organizations jointly released a consensus list of the top 25 most dangerous programming errors (http://www.sans.org/top25errors/)....
Provided by East Carolina University
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White Papers
Deploying the Hitachi NAS Platform in VMware VSphere Environments Using the Hitachi Adaptable Modular Storage 2000 Family
Dec 2009
Explosive growth in NAS filers that is required to meet user demand results in administrative headaches and increasing equipment costs. Deploying VMware vSphere 4 on the Hitachi NAS Platform 3080...
Provided by Hitachi Data Systems
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Whitepapers
Managing an FLR-Enabled NAS Environment With the EMC Celerra FLR Toolkit
Aug 2010
EMC Celerra File-Level Retention (FLR) is a feature that provides a software infrastructure for users to secure files on a production file system and retain the files on cost-effective...
Provided by EMC
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White Papers
Exploring RAID Configurations
Aug 2008
To address the limits of today's slow mechanical disks, this paper explored a number of data layouts to improve RAID performance. The authors found that by dedicating more disks to hosting popular...
Provided by Florida State University
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White Papers
Dual-Crosshatch Disk Array: A Highly Reliable-RAID Architecture
Jan 2010
This paper proposes a highly reliable RAID architecture called a Dual-Crosshatch Disk Array. It used the proposed interleaved 2d-parity scheme, a low overhead triple-erasure correcting parity...
Provided by Iowa State University
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White Papers
NetApp RAID-DP?: Dual-Parity RAID 6 Protection Without Compromise
Apr 2010
As disk drive densities continue to increase, and companies adopt SATA disk drives to reduce storage costs, data loss due to concurrent disk drive failure and error in a RAID group has become a...
Provided by NetApp
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White Papers
A Response Time Distribution Model for Zoned RAID
Jun 2008
RAID systems are widely deployed, both as standalone storage solutions and as the building blocks of modern virtualised storage platforms. An accurate model of RAID system performance is therefore...
Provided by Imperial College London
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White Papers
Towards the Emulation of RAID
Mar 2010
The artificial intelligence solution to Internet QoS is defined not only by the analysis of local-area networks, but also by the private need for rasterization. In the research, the authors...
Provided by International Institute of Technology
