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storage hardware
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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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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
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
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
-
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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White Papers
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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White Papers
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
True Fabric Interoperability for Today SANs
Apr 2007
Brocade is committed to providing native fabric interoperability throughout its integrated family of Storage Area Network (SAN) directors and switches. This means that SAN users can expand their...
Provided by Brocade Communications Systems
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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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White Papers
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
EMC DiskXtender for NAS Windows, UNIX, and Linux Editions
May 2007
As much as 8o percent of primary storage is taken up by inactive data, creating the need for data management solutions that drive efficiencies into IT infrastructure. Network-attached storage...
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
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
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White Papers
Globally Clocked Magnetic Logic Circuits
Nov 2009
Magnetic spin valve devices enable the design of logic and memory elements that are suitable for use when constructing digital systems. A master-slave flip-flop design is proposed that can be...
Provided by University of Washington
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White Papers
On Avoiding Spare Aborts in Transactional Memory
Aug 2009
This paper takes a step toward developing a theory for understanding aborts in Transactional Memory systems (TMs). Existing TMs may abort many transactions that could, in fact, commit without...
Provided by Association for Computing Machinery
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White Papers
SMV: Selective Multi-Versioning STM
Mar 2010
The authors present Selective Multi-Versioning (SMV), a new STM that reduces the number of aborts, especially those of long read-only transactions. SMV keeps old object versions as long as they...
Provided by Technion - Israel Institute of Technology
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White Papers
Data Remanence in Microcontrollers
Apr 2007
Data remanence affects several memory types that are used in smartcards and microcontrollers. As a result, some information still can be extracted from memory that has been erased. This could...
Provided by University of Twente
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White Papers
DRAM Errors in the Wild: A Large-Scale Field Study
Jun 2009
Errors in Dynamic Random Access Memory (DRAM) are a common form of hardware failure in modern compute clusters. Failures are costly both in terms of hardware replacement costs and service...
Provided by Association for Computing Machinery
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White Papers
Understanding Latent Sector Errors and How to Protect Against Them
Jan 2010
Latent Sector Errors (LSEs) refer to the situation where particular sectors on a drive become inaccessible. LSEs are a critical factor in data reliability, since a single LSE can lead to data loss...
Provided by University of Toronto
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White Papers
Reliable Adaptable Network RAM
Jul 2008
The authors present reliability solutions for adaptable Network RAM systems running on general-purpose clusters. Network RAM allows nodes with over-committed memory to swap pages over the network,...
Provided by Swarthmore College
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White Papers
MemScale: Active Low-Power Modes for Main Memory
Mar 2011
Main memory is responsible for a large and increasing fraction of the energy consumed by servers. Prior work has focused on exploiting DRAM low-power states to conserve energy. However, these...
Provided by Association for Computing Machinery
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White Papers
Bandwidth, Area Efficient and Target Device Independent DDR SDRAM Controller
Jun 2009
The application of the Synchronous Dynamic Random Access Memory (SDRAM) has gone beyond the scope of personal computers for quite a long time. It comes into hand whenever a big amount of low price...
Provided by Gwangju Institute of Science and Technology
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White Papers
The Case for RAMClouds: Scalable High-Performance Storage Entirely in DRAM
Dec 2009
Disk-oriented approaches to online storage are becoming increasingly problematic: they do not scale gracefully to meet the needs of large-scale Web applications, and improvements in disk capacity...
Provided by Stanford University
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White Papers
Fast Crash Recovery in RAMCloud
Mar 2011
RAMCloud is a DRAM-based storage system that provides inexpensive durability and availability by recovering quickly after crashes, rather than storing replicas in DRAM. RAMCloud scatters backup...
Provided by Stanford University
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White Papers
Impact of Process Variation on Endurance Algorithms for Wear-Prone Memories
Jan 2011
Non-volatile memories, such as Flash and Phase-Change Memory, are replacing other memory and storage technologies. Although these new technologies have desirable energy and scalability properties,...
Provided by European Design and Automation Association
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White Papers
Should We Worry About Memory Loss?
Apr 2011
In recent years the High Performance Computing (HPC) industry has benefited from the development of higher density multi-core processors. With recent chips capable of executing up to 32 tasks in...
Provided by University of Warwick
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White Papers
Fast Multiplication of Large Permutations for Disk, Flash Memory and RAM
Jul 2010
Permutation multiplication (or permutation composition) is perhaps the simplest of all algorithms in computer science. Yet for large permutations, the standard algorithm is not the fastest for...
Provided by Association for Computing Machinery
-
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
-
White Papers
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
-
White Papers
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
-
White Papers
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
-
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
True Fabric Interoperability for Today SANs
Apr 2007
Brocade is committed to providing native fabric interoperability throughout its integrated family of Storage Area Network (SAN) directors and switches. This means that SAN users can expand their...
Provided by Brocade Communications Systems
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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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White Papers
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
EMC DiskXtender for NAS Windows, UNIX, and Linux Editions
May 2007
As much as 8o percent of primary storage is taken up by inactive data, creating the need for data management solutions that drive efficiencies into IT infrastructure. Network-attached storage...
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
