Henry Newman


Articles by Henry Newman:

»Tape Storage, Fibre Channel and Technology Innovation
The effect of the evolution of Ethernet on the data storage market offers a case study in the causes of technology market disruption and innovation. (4/20/10)

»Storage Networking Product Roadmaps Gone Bad
How to spot signs that an IT vendor might not execute on its product strategy. (4/2/10)

»Choosing the Right Solid State Drive for Your Storage Network
Issues like wear leveling and your SAS or RAID controller will determine whether SSDs succeed in your storage networking environment. (3/25/10)

»Solid State Drive Reliability and Performance in Storage Networking
here are many reliability and performance issues to consider before adding SSDs to your enterprise storage networking environment. (2/12/10)

»Solid State Drives in Enterprise Applications
SSDs can improve database and file system performance, but there are a number of issues that need to be addressed to make the most of the pricey drives. (1/29/10)

»I/O Bottlenecks: Biggest Threat to Data Storage
New technologies like phase change memory could make storage networks irrelevant unless the industry bands together to address I/O bottlenecks. (12/31/09)

»The Future of Data Storage: FCoE, SSD Mergers, But No Clouds
Enterprise storage columnist Henry Newman sees FCoE and SSD mergers coming, but there are no clouds in his forecast. (12/21/09)

»Error Correction: An Urgent Need for Files
The digital future will require a level of file and data integrity that doesn't exist today, but there are some possible solutions. (12/3/09)

»Why NAS Might Overtake SAN Storage
Not only might NAS replace SAN in the coming world of Ethernet-based storage, but the distinctions between the two might also disappear. (11/16/09)

»Storage Networking: The Basics
Much has changed since storage networks first appeared — and the biggest changes may be yet to come. (10/26/09)

»Why Cloud Storage Use Could Be Limited in Enterprises
Bandwidth and data integrity issues could limit enterprise use of external storage clouds. (10/9/09)

»RAID's Days May Be Numbered
The long-running data storage technology could be headed for trouble. We look at the problem — and potential solutions. (9/17/09)

»Enterprise Technologies Will Change the Consumer PC Market
Some high-end data storage technologies could radically change your home PC in the not too distant future. (8/28/09)

»SSDs, pNFS Will Test RAID Controller Design
The storage world as we know it is about to change — and not all RAID vendors are ready. (7/24/09)

»Falling 10GbE Prices Spell Doom for Fibre Channel
Recent steep drops in the price of 10Gb Ethernet NICs mean that Fibre Channel's decade-long dominance will soon be over. (6/18/09)

»File System Benchmarks Need to be Reformed
File system benchmarks can be difficult to evaluate, creating tough choices for storage customers. We offer some tips on what to look for. (6/5/09)

»Brother, Can You Spare a Petabyte?
Even in tough times, there's more to data storage purchasing decisions than saving money. (5/1/09)

»Rocks Don't Need To Be Backed Up
Commentary: What a 4,000-year-old Egyptian obelisk can teach us about data backup, archiving and preservation of our history — and why it's critical that we get started now. (3/27/09)

»File System Management Is Headed for Trouble
The POSIX file system interface isn't up to the task of managing today's data, resulting in costly fixes for users to solve problems like data integrity and regulatory compliance. It doesn't have to be that way. (2/24/09)

»Storage Security Is More than Just Key Management
It will take a whole lot of effort to get end-to-end data security, but it has to be done. (1/16/09)

»Predicting the Future of Storage Technology
After batting .800 on this year's predictions, it's time once again for our intrepid enterprise storage columnist to peer into his crystal ball and see what's in store for the storage market for 2009 and beyond. (12/18/08)

»Building a Storage Architecture for E-Discovery
E-Discovery systems pose unique challenges for storage architects if they want to keep up with data growth, performance and backup and recovery demands. (12/1/08)

»Storage Virtualization: Good News for Consultants
Storage virtualization has some limitations that could make it ill-suited for high-performance environments. (11/21/08)

»Helping Storage Keep Up With Server Virtualization
If you virtualize your server environment without taking storage into consideration, your performance will likely suffer. (10/29/08)

Three Acronyms That Could Change The Storage World
The storage networking world could be profoundly changed by three emerging technologies. (9/12/08)

»Solving the Storage Error Management Dilemma
Disk drives, tapes and storage networks can create inadvertent errors. What the storage industry needs is a comprehensive framework to discover them before they become a problem. (8/18/08)

»Data Corruption: Dedupe's Achilles Heel
If you're thinking about purchasing a data de-duplication solution, you need to take a hard look at the issue of data corruption. (7/16/08)

»Linux File Systems: Ready for the Future?
Despite the outcry from the open source faithful, Linux file systems will require some changes to handle the 100 TB environments that will become commonplace in the not too distant future. (5/29/08)

»Linux File Systems: You Get What You Pay For
Linux file systems have a number of limitations that make them a poor choice for large and high-performance computing environments. (5/9/08)

»Gearing Up For Solid State
Flash-based solid state drives are beginning to show up in enterprise storage, and while promising for high-performance applications, they have some reliability issues that must be addressed. (5/2/08)

» The Future of NFS Arrives
NFSv4.1 and Parallel NFS will finally bring the 24-year-old protocol into the high-speed networking age. (3/26/08)

» Building a Perfect Storage World
If users, vendors and standards bodies all got along, this is what the storage world might look like. (3/3/08)

» Can Storage Benchmarks Be Trusted?
Hardware isn't the only benchmark category that could use an overhaul; file system benchmarks can be just as misleading. (2/21/08)

» All We Are Saying Is Give Tape a Chance
Online backup vendors have got it all wrong by using disk instead of tape. (1/16/08)

» Storage Horizon 2008: Looking Back, Looking Ahead
Our resident storage guru steps out onto a limb to see what's in store for the storage market in 2008, including some big news for SAS, IP storage and undetectable errors. (12/21/07)

» When Bits Go Bad
Silent data corruption, or "bit rot," can wreak a lot of havoc, yet little has been done about it. (12/14/07)

» Preparing for Exascale Archives
As data archives get bigger and bigger, storage users will need help from standards groups in the form of better commands and interfaces. (11/29/07)

» RAID-6 Is Here to Stay. Deal With It.
RAID-6 has grown in popularity as a way to get the most out of SATA drives. But if you're planning on using RAID-6, you need to make sure that your RAID controller is up to the task. (11/19/07)

» Cooling Storage 'Hot Spots'
Henry Newman has a treat for storage users: a way to improve performance that also requires less hardware. (10/31/07)

» My Totally Excellent Data Corruption Adventure — Not!
A home PC mishap leads our intrepid storage columnist to consider ways to avoid data corruption. (9/28/07)

» Using Fear to Sell Storage
Storage vendors use your fear of data disaster to sell you their products. We give you three rules to follow to make sure you get beyond the hype and get what you need. (8/21/07)

» Xbox, PS3 and Wii: The Future of Storage
Just like the PC dominated the 1990s, gaming will become the dominant technology of the future. (8/9/07)

» How iSCSI Lost the War
Why iSCSI never overtook Fibre Channel - and why it never will. (6/21/07)

» InfiniBand Faces a New Hurdle
The new Fibre Channel over Ethernet standard could spell trouble for InfiniBand. (6/4/07)

» The Real Cost of Storage, Part 2
The results of our comparison of the real cost of Fibre Channel and SATA may surprise you. (5/9/07)

» The Real Cost of Storage
When power, cooling, performance and reliability are considered, SATA may not have much of a cost advantage over Fibre Channel after all. (4/25/07)

» A Historic Moment for Storage I/O
PCI Express could enable storage performance breakthroughs, because for the first time the bus is fast enough to run any card at rate. (3/15/07)

» When Big Databases Pose Big Storage Problems
Database growth has outstripped storage performance increases for a long time, and problems are beginning to appear. (2/8/07)

» Lost in Translation
Applications written in languages such as Java and Perl could hold surprises for storage users. (1/10/07)

» Storage Horizon 2007: Looking Back, Looking Ahead
Our ace storage columnist predicts a number of surprises for the year ahead, including that NAS performance might catch up with SANs. (12/22/06)

» I/O Standards: What Went Wrong
The weak link in the data path is the hodgepodge of groups responsible for different parts of the I/O stack. (12/8/06)

» Super Storage, Coming to a Data Center Near You
Supercomputing 2006 showcased a number of new storage technologies that could make their way into enterprises. (11/17/06)

» Solving the I/O Problem
Some proposed changes to POSIX standards could greatly improve file system performance. (10/11/06)

» Creating an Architecture for Streaming Data
Unless you're creating and editing high-resolution video, NAS might be all you need. (9/29/06)

» InfiniBand: Is This Time for Real?
It may have taken years longer than expected, but a number of factors have converged to make InfiniBand a force to be reckoned with. (9/14/06)

» The Secret Life of Data Tapes
Data tapes have limits and a finite lifespan, and -- if you care about your data -- you better know what they are. (8/16/06)

» Restoring Data That Matters
We've said it before and we'll say it again: backups are only as good as your ability to restore. (7/19/06)

» RDMA TCP/IP: Coming Soon to a Network Near You
With PCI Express boosting network performance, the TCP/IP stack may be due for an overhaul next. (6/15/06)

» When Tape and RAID Don't Get Along
When tape and RAID data rates don't match, the result can be a big performance bottleneck. (5/18/06)

» Tape Wind Quality Improves, But...
Vendors have made strides to address tape wind quality issues, but problems remain, not the least of which is what to do with all your old data tapes. (4/26/06)

» FC SANs: Not For SMBs
Vendors have made strides developing Fibre Channel solutions for small businesses, but there are a number of reasons why SMBs may want to stick with IP-based storage.(3/30/06)

» Waiting for Metadata Standards
Information lifecycle management (ILM) will remain difficult until metadata standards are adopted, but storage users have some options in the meantime. (3/10/06)

» ILM and Databases: No Easy Choices
Users trying to combine information lifecycle management with databases face some difficult decisions. (1/27/06)

» Vendor Warning Signs
We examine a number of warning signs that bear watching when dealing with IT vendors. (1/19/06)

» Storage Horizon 2006: Looking Back, Looking Ahead
The annual column in which our enterprising storage columnist grades his predictions from last year and boldly looks ahead to next year. (12/21/05)

» Storage Headed for Trouble
Long-term storage performance trends suggest trouble down the road for storage users. And unless vendors and management react now, it's only going to keep getting worse. (12/16/05)

» Storage Budgeting Tips
When budgeting for storage, focus on getting your requirements met. (11/23/05)

» Choosing the Right NAS
There is much to consider when buying network-attached storage (NAS). Henry Newman looks at the steps you need to take to get a system that's right for you. (9/22/05)

» Testing Backup and Restore: Why It Matters
Lessons learned from a lost weekend. (8/25/05)

» Getting Backup Right
In planning a backup architecture, one issue must come first. (8/19/05)

» Managing Data for a Lifetime, Part 2
We peer into our crystal ball and imagine a solution to the problem of long-term data retention. (7/18/05)

» Managing Data for a Lifetime
Implementing data lifecycle management can be a difficult and complex task. In the first of a two-part series, we look at the limitations of current technologies for managing data over the long haul. (7/14/05)

» Why Tape Won't Die
Rumors of tape's demise have been greatly exaggerated. (6/16/05)

» HIPAA and SOX: What You Need To Know
Henry Newman examines the storage issues you need to consider to comply with regulations such as HIPAA and Sarbanes-Oxley. (5/20/05)

» Shared File Systems, Part 2: Why Pay More?
Sometimes performance needs require that you skip network-attached storage and pay up for Fibre Channel-based shared file systems. (5/2/05)

» Shared File Systems: Why Pay More?
Shared file systems cost more than NAS, but sometimes it makes sense to pay up for greater performance. (4/8/05)

» Virtualization: What's In It For You?
If done right, storage virtualization can save you time and money, but it's not always the best solution. We look at some issues to consider before you take the plunge. (3/16/05)

» Users Must Help Ease Storage Pain
If users won't pay for management tools, vendors won't develop them. A look at why standards may not cure storage management ills. (2/10/05)

» 1, 2, 4, 8, 10: The Evolution of Fibre Channel
Fibre Channel users will be faced with some tough choices over the next year or two. We look at some issues to consider when choosing your Fibre Channel upgrade path. (1/13/05)

» The Storage Horizon: Looking Back, Looking Ahead
The annual column in which enterprising columnist Henry Newman makes bold predictions about what may lie ahead for the storage industry. (12/21/04)

» A Storage Framework for the Future
Object-Based Storage Devices could be the standard that replaces block devices and SCSI technology. (11/11/04)

» Let's Bid Adieu to Block Devices and SCSI
Storage devices have been working the same way for 35 years. The common protocol to talk to devices has been around for 18 years, with very little in the way of changes. The time has come to replace SCSI and block devices. (11/22/04)

» Getting Failover Right
It's not easy, but with a little planning and testing, host bus adapter and RAID failover can be done without hurting performance. (10/7/04)

» The Perils of Long-Term Storage
Your tapes may be designed to last for 30 years, but will you still be able to read them then? Henry Newman outlines some issues to consider as you upgrade your systems over time. (9/22/04)

» Tale of the Tape: Beware Wind Quality
In part 3 of our series on data replication, EnterpriseStorageForum contributor Henry Newman uncovers a little-known problem that could pose a big threat to your stored data. (8/10/04)

» Preparing for a Disaster, Part 2
In the second part of our series on disaster preparedness, Henry Newman looks at replication in HSM systems and reveals the key to long-term archiving. (7/21/04)

» Preparing for a Disaster
Henry Newman discusses replication and transport options for disk-based data recovery. (7/8/04)

» Understanding Storage Requirements
Henry Newman advises readers to understand their storage needs and budget before setting out to find a solution. (6/8/04)

» Storage Focus: File System Fragmentation
As file systems have continued to grow in size, fragmentation has become an increasingly important issue. Henry Newman tackles the topic in his latest column, looking at what exactly file system fragmentation is, what causes it, why it can result in performance problems, and how it can be effectively handled to ensure high performance. (5/20/04)

» Resolving Finger-Pointing in Storage
When something goes awry in your data center, the worst thing that can happen is for one or more of your storage vendors to start pointing fingers at other vendors – or at you – but unfortunately, this happens quite frequently. Henry Newman uses a case study to offer tips and advice for effectively mitigating finger-pointing. (4/22/04)

» Purchasing Professional Storage Services, Part 2
With storage architectures growing more and more complex and services becoming a larger part of storage costs, it's important to understand all the options available for configuring and servicing storage solutions. Henry Newman continues a discussion on the pros and cons of the various professional servicing options available to enterprises. (3/31/04)

» Purchasing Professional Storage Services, Part 1
With storage architectures growing more and more complex and services becoming a larger part of storage costs, it's important to understand all the options available for configuring and servicing storage solutions. Henry Newman embarks on a two-part article that addresses the pros and cons of the various professional servicing options available to enterprises. (3/18/04)

» Storage King for a Day: Dreaming of Storage
When Henry Newman dreams, he dreams big, with the end result a revolutionary storage appliance that capitalizes on the critical shortcomings of current product offerings. (2/26/04)

» Storage Focus: Databases and Storage Architecture
Determining how best to assign and configure storage resources for databases can be a daunting challenge. Add budget and time constraints to the mix, and it becomes even more difficult. Henry Newman reveals how breaking down the seemingly impossible into manageable steps can help. (1/29/04)

» Benchmarking Storage Systems, Part 3
Our benchmarking storage systems series concludes with a focus on writing the specification for the benchmark and the process for analyzing and scoring vendor responses. (1/8/04)

» Benchmarking Storage Systems, Part 2
Our benchmarking storage systems series continues with a focus on developing representations of your hardware and software environment, as well as a consideration of the pros and cons of using your applications and real data in a benchmark as opposed to developing emulations of your workload. (12/11/03)

» Benchmarking Storage Systems, Part 1
Henry Newman breaks down the components of a storage benchmark and explains how each of the hardware and software pieces can have a significant impact on the performance, reliability, and price of the storage system. (11/13/03)

» Storage Outlook: What's on the Storage Horizon?
Storage technology overall has seen an evolutionary rather than a revolutionary year. Should we expect more of the same over the next 24 months? 36? 48?(10/31/03)

» Overcoming Disaster Recovery Obstacles for HPC Sites
High Performance Computing sites have unique needs and requirements that complicate architecting disaster recovery plans. As Henry Newman reveals, while there are no simple answers, devising an effective disaster recovery strategy for an HPC site is not an impossible task. (10/9/03)

» Fibre Channel Directors: Myths, Realities, and Evaluations
Without any standards or accepted definitions in place for Fibre Channel director-class switches, how can you make sure you're getting your money's worth? Henry Newman embarks on a fact-finding mission to help you potentially save money. (9/18/03)

» Storage Winners and Losers: Hedging Your Bets
The evolution of the storage industry mandates that some companies will rise while others fall. Explore the rather tricky science of predicting which vendors and technologies will succeed and which will fail over the long run. (8/19/03)

» Securing Data Across SANs, WANs, and Shared File Systems
The end-to-end security of corporate data is becoming an issue of increasing importance, yet the ideal of being able to secure data through every aspect of all systems within a heterogeneous environment remains years away. Henry Newman explores what currently works and what doesn't in the world of data security. (8/6/03)

» Interoperability: The Trials and Tribulations of Heterogeneous Installations
The promises from hardware and storage vendors that everything will work together in true "plug and play" fashion all too often fly out the window when you start mixing the products of different vendors. Henry Newman takes a look at some of the interoperability issues that can creep up in the installation, debugging, and operation of heterogeneous hardware and software. (7/17/03)

» Successfully Modeling and Simulating Systems, Part 2
The process of modeling and simulating systems has been used in the development of large computer systems for years, and is a requirement in some environments as part of the architecture design process. Henry Newman explores the methods and issues involved in systems modeling and simulation. (6/27/03)

» Successfully Modeling and Simulating Systems, Part 1
The process of modeling and simulating systems has been used in the development of large computer systems for years, and is a requirement in some environments as part of the architecture design process. Henry Newman explores the processes and reasons for systems modeling and simulation. (6/20/03)

» The Art of Storage Benchmarking
The benchmarking process for storage is often quite complex, time consuming, and costly, but it's also one of the first critical steps in the storage architecture and acquistions process. Henry Newman breaks down storage benchmarking by focusing on the key considerations, providing insight into the inner workings, and offering suggestions on how to optimize the process. (6/11/03)

» A Trip Down the Data Path: RAID and Data Layout
RAID controllers have built-in algorithms to cache data, improve I/O latency, and reduce the amount of I/O from disk to cache, yet they have no knowledge of how the data will be accessed or how the files are mapped to the physical devices. As Henry Newman explains, it's up to the architects, storage team, and administrators to assist the RAID controller with its caching algorithms. (5/13/03)

» 25 Years of Innovation: The Life of Laurence P. Schermer
Henry Newman's column this month is a tribute to a close personal friend and technical genius who died tragically in April of 2003. In writing to honor his memory, Henry also shows how one person can and has changed the technology we all use today. (4/24/03)

» Implementing RAID in Enterprise Environments
Henry Newman introduces two types of RAID, cache-centric and storage-centric, and identifies several important issues to consider when deciding which type would be optimal for your enterprise environment. (4/8/03)

» File Systems and Volume Managers: Understanding the Internals
Henry Newman's fourth article in a monthly column on storage hardware, software, and applications I/O provides a basis for better evaluating file system tuning parameters and discerning what they really mean. (3/12/03)

» File Systems and Volume Managers: History and Usage
The third article in Henry Newman's monthly column on storage hardware, software, and applications I/O takes an in-depth look at how file systems and volume managers work internally. (3/4/03)

» Operating Systems System Calls and I/O
Henry Newman's second article in a monthly column on storage hardware, software, and applications I/O focuses on the operating system and the associated systems calls for I/O. (2/6/03)

» A Trip Down the Data Path: I/O and Performance
Henry Newman presents the first in a monthly column on storage hardware, software, and applications I/O. For the next few months Henry will be covering the data path from the application to the storage devices, including the operations systems, file systems, HBAs and RAIDs. (1/15/03)

» Back to the Future with Tape Drives
Over the last 30 years tape technology has not changed as much compared with disk-based storage, but in most environments (especially enterprise environments) tape is still a requirement for reliability. Even if you have an off-site remote mirror, in most cases tapes are still used. (12/31/02)

» Storage I/O and the Laws of Physics
The title might seem merely catchy, but when it comes to managing storage, simple physics define the limitations under which you'll have to work. Data's movement from applications to hardware devices is limited by physical constraints within the computer and its storage hardware. (12/20/02)

» Choosing a File System or Volume Manager
Though file systems have only changed in a methodical evolutionary way over the last 35 years, you have a number of choices that require examination before you can pick the best file system for your application environment. (11/14/02)

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