Email Alerts
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What you need to know about all solid-state arrays
In the cover story of the August 2012 issue of Storage magazine, Chris Evans provides an overview on the SSD market in general and examines the emergence - and unique quirks you should know - of all-solid-state storage arrays. Explore the August 2012... E-Zine
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Exploring systems that detect and repair hard disk problems automatically
A trend in storage product messaging these days is the theme of self-healing storage - the ability of a system to detect and repair hard disk problems automatically. In this month's cover story, independent storage expert Marc Staimer explains how an... E-Zine
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Dell and EqualLogic win best midrange array
The March 2009 issue of Storage Magazine includes a cover story announcing the winners of the Midrange Arrays Quality Awards. Also in this issue, get information about remote office backups, disaster recovery plan testing, deduplication, and an eye-o... E-Zine
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The top email archiving strategies for storage managers
Peter Fitch at Rudolph Technologies leverages his storage array's migration capabilities to move data among tiers without disrupting his users. Also, learn 10 key factors for email archiving. E-Zine
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Multiprotocol arrays provide NAS and SAN in a single box
Multiprotocol arrays support block- and file-based storage, giving users the best of both worlds: NAS and SAN in a single box. Also in this issue: Users rate the top tape libraries, and the New York Mets take a swing at dedupe. E-Zine
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Big 3 backup apps adapt to disk
Black & Decker's Ian McLeavy slashed his backup times by making NetWorker work with disks -- but he still relies on homegrown scripts for snapshots. Also, read more about the ins and outs of searching archives, how to accelerate your SAN, and how voi... E-Zine
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Boosting data storage array performance
Keep your storage array from laboring under the load of resource-hungry apps by configuring it for defined I/O workloads. Also, read more about hands-on tests of encryption appliances. E-Zine
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The best high-end storage arrays of 2005
What's the best high-end array in 2005? Here are your choices for best in features, reliability, service and support. Also, learn more about WAN transports, new tools to help classify data, and how to archive data but still find it fast. E-Zine
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Exploring the most innovative midrange systems
Chris Berthaut needed better performance for Hibernia National Bank's storage -- and he got it with nine midrange arrays. Our exclusive special report tells why midrange systems are so hot and profiles 14 innovative systems. Also get information on s... E-Zine
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A look inside Hitachi's TagmaStor high-end arrays
Hitachi's TagmaStore arrays are big and fast, but the intelligence to potentially control an enterprise-worth of heterogeneous storage is what makes them interesting. E-Zine
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Hitachi's enterprise storage arrays back on top
Eclipsing a strong field of enterprise storage array contenders, Hitachi made an impressive run by sweeping all five Quality Awards ratings categories. Feature
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The pros and cons of using data reduction systems
Analyst Stephen Foskett outlines the pros and cons of using data reduction systems to slim down your data center footprint. Feature
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StorSimple Inc. 5010, 7010
StorSimple 5010, 7010 appliances use SSDs to speed local performance for primary storage, and treat the cloud as a storage tier. Automated tiering and primary dedupe are included. 2011 Products of the Year
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Storage systems
Guide
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Data storage tutorials
SearchStorage.com's tutorials offer storage professionals comprehensive training on topics such as SANs (storage area networks), NAS (network attached storage), backup, data storage devices, data management, and RAID (redundant array of inexpensive d... Tutorial
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SAS 2.0 improvements spur shift from Fibre Channel drives to SAS drives
SAS 2.0 increases interface speed to 6 Gbps, improves connectivity and facilitates better signal-to-noise ratio, which will propel the shift to SAS drives over next five years. FAQ
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Storage disk array training courses
These storage training course listings include a range of disk array classes, on topics like serial-attached SCSI (SAS) disks, serial ATA (SATA) disks and various aspects of Fibre Channel (FC) SAN disk arrays. Learning Guide
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Virtual storage via HDS USP VM disk array helps Canadian city upgrade to VMware ESX Server 3.5
City of Coquitlam, B.C., encounters no major obstacles in virtual storage implementation, as part of an upgrade to an HDS USP VM disk array and VMware ESX Server 3.5. Case Study
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Data deduplication and compression on primary storage can reduce data footprint
Data deduplication and compression on primary storage may not produce the data reduction seen with backups, but various techniques produce significant results with unstructured data. FAQ
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EMC Celerra: Primary storage data reduction through deduplication, compression
EMC's Celerra takes a hybrid approach to primary storage data reduction, using both compression and data deduplication to achieve about 50% to 60% space savings. Special Report
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Dell Enterprise Forum: Convergence, flash cache still on roadmap
Dell storage news focused on Compellent at its enterprise forum, but execs promise EqualLogic upgrades and integration between platforms. News | 06 Jun 2013
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Big Blue's billion-dollar bet on SSD includes all-flash storage array
IBM rolls out FlashSystem all-flash arrays -- rebranded Texas Memory Systems products IBM acquired in 2012 -- as part of an aggressive flash push. News | 12 Apr 2013
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Object-based storage draws praise, objections
SNW verdict on object storage: it doesn't have to be difficult to implement, but when is it necessary? News | 04 Apr 2013
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Virtual server value still outweighs virtual storage
Storage admins and vendors say they want virtual storage to act more like virtual machines, but is that possible? News | 03 Apr 2013
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Storage tiers: SAS interface, MLC flash rising
SAS vs. SATA battle in enterprise data storage shows hard drives with SAS interface trending up; cheaper MLC SSDs outnumber SLC in enterprise. News | 26 Mar 2013
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Enterprises still waiting for SSD prices to drop
Market research shows flash isn't denting hard drive sales yet, which is attributed mainly to still-high solid-state drive prices. News | 15 Mar 2013
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Automated tiering helps digital forensics firm get the most out of SAN
Digital forensics firm D4 extends its storage capability and saves on expensive disks with Dell Compellent's Data Progression automated tiering. News | 14 Mar 2013
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HDS' Yoshida on virtual data storage: Appliances don't go far enough
Hitachi Data Systems CTO Hu Yoshida discusses virtual data storage challenges and the effects of server virtualization on enterprise storage. News | 22 Feb 2013
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HP StoreSystem: New converged system combines 3PAR, StoreOnce
HP's new StoreSystem converged system combines 3PAR StoreServ storage and software with StoreOnce deduplication. News | 19 Feb 2013
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Dell SAN strategy examined after move to go private
Even before the company decided to go private, the Dell SAN business was in transition as it integrated technologies collected through acquisition. News | 07 Feb 2013
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I/O performance in need of a fix
Despite technological advances, unacceptable I/O performance could hold the entire industry back. Here are some solutions that have materialized. Tip
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ATA over Ethernet protocol overview for data storage managers
The ATA over Ethernet (AoE) protocol, backed by Coraid, is used by some data storage managers for low-cost, high-volume storage. Learn 10 AoE protocol facts Tip
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Use MAID, intelligent power management as green storage options to control energy consumption
MAID and intelligent power management (IPM) are green storage options that align enterprise data storage performance and energy consumption levels. Learn what you should look for in a product with MAID or IPM-enabled capabilities. Tip
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Tutorial on solid-state disk (SSD) devices
Solid-state disk (SSD) devices use much less power and produce less heat than hard disks. But until their prices come down, they'll at best be niche devices. Tip
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Big storage in small packages
IT departments are thirsty for storage capacity, but IT managers simply won't put up with storage that requires more physical resources. Tip
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Tech Roundup: Enterprise arrays
Enterprise arrays are big storage boxes designed for big companies -- and the competition among vendors keeps getting more intense. Tip
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Midrange arrays get a makeover
Two fixtures of the midrange modular array scene have received substantial makeovers, and more are on the way. Tip
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CDP: Super snapshots -- eventually
This tip details two different definitions of CDP, the offerings from vendors in each camp and how continuous data protection differs from snapshots. Tip
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Disk-based backup for SAN and NAS
Disk-as-disk backups involve using disk drives behaving as disk drives -- the disks aren't pretending to be tape. Tip
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Checklist: Five steps to maximizing disk capacity
Before you commit precious budget resources to buying more storage hardware, be sure you're getting the most possible value out of what's already deployed in your data center. Tip
- See more Tips on Disk arrays
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Creating half a mirror out of 3 drives totaling 300 GB
Storage management expert Ashley D'Costa answers a reader's question: "Can I create a logical array from my disk bay, which has two disks totaling 300 GB by installing RAID 0?" Ask the Expert
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SATA port multiplier vs. SATA multilane
What is the difference between a SATA port multiplier and SATA multilane? Ask the Expert
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Upgrading high-end arrays
We are currently using an HDS9960 array and are planning to upgrade early next year to another enterprise array. We're in the process of evaluating solutions from Sun/HDS, IBM and EMC. Are there any other vendors of high-end arrays that we should loo... Ask the Expert
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Active/active vs. active/passive arrays
Storage expert Greg Schulz outlines the pros and cons of active/active and active/passive arrays. Ask the Expert
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Storage and memory: What is their relationship?
Ask the Expert
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SATA, Fibre Channel and ATA disks on the same array?
Ask the Expert
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How much hard disk drive space should I actually use?
Ask the Expert
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Clariion CX700 vs. Symmetrix 8830
Ask the Expert
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Disk vs. tape, for low-cost storage
Ask the Expert
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Will nearline disk systems make tape obsolete?
Backup expert Pierre Dorion offers advice on remote data replication and network bandwith limitation. Ask the Expert
- See more Expert Advice on Disk arrays
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active/active array
Active/active (also called dual active) is a storage array configuration in which two (or more) storage controllers work together to process inputs/outputs (I/Os). Definition
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multi-level cell (MLC) flash
Multi-level cell (MLC) flash writes two data segments to the same cell, effectively doubling the capacity of flash storage media. Definition
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terabyte (TB)
A terabyte (TB) is a measure of computer storage capacity that is 2 to the 40th power or approximately a trillion bytes (that is, a thousand gigabytes). Definition
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array-based memory
Array-based memory is an evolving solid-state storage technology similar to flash memory but with potentially greater storage capacity. The increased capacity results from the fact that array-based memory is three-dimensional (3D) while most traditio... Definition
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Kilo, mega, giga, tera, peta, and all that
Prefix multipliers are used in data storage, data communications, electronics, and physics to denote extremely small and large quantities. Read definitions for terms including kilo, mega, giga, tera and peta. Definition
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array
In general, an array is a number of items arranged in some specified way - for example, in a list or in a three-dimensional table. Definition
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gigabyte (GB)
A gigabyte (GB) is a measure of computer data storage capacity and is "roughly" a billion bytes. Definition
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storage medium
In computers, a storage medium is any technology (including devices and materials) used to place, keep, and retrieve data. Definition
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byte
In most computer systems, a byte is a unit of data that is eight binary digits long... (Continued) Definition
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column address strobe
In computer memory technology, CAS (column address strobe) is a signal sent to a dynamic random access memory (DRAM) that tells it that an associated address is a column address. A data bit in DRAM is stored in a cell located by the intersection of ... Definition
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Storage Radio: HP takes 3PAR storage array to midmarket
HP's move to provide some clarity around its products, and an announcement of its new 3PAR storage arrays, top this week's Storage Radio headlines. Podcast
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Storage Radio: Hitachi VSP offers Accelerated Flash storage module
This week's Storage Radio podcast discusses Hitachi's entry into the solid-state market with an Accelerated Flash storage module for Hitachi VSP. Podcast
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Expert video: Scale-up vs. scale-out storage explained
In this video from Storage Decisions 2012, Evaluator Group senior analyst Randy Kerns discusses scale-up vs. scale-out storage adoption and usage. Video
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Week in review podcast: Flash storage arrays see increased adoption
Listen to the top news from the Storage Media Group; we discuss all-flash storage arrays from Kaminario, Dell's newest storage arrays and get a UK update about virtual DR software. Podcast
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Gartner analyst on data deduplication for primary storage
Primary storage data deduplication will take hold first with network-attached storage (NAS) and then block-based options over the next 18 months, says Gartner analyst, who advises users to architect with new products in mind. Podcast
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Podcast: Solid-state drives entering enterprise storage environments
What should a storage administrator be doing today in terms of planning for solid-state drives entering the storage environment? Jeff Janukowicz, research manager at IDC for solid-state drives and hard drive components, discusses the impact SSDs are ... Podcast
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Boost Array Performance Podcasts
As data wends it way from hosts, through the fabric and to the array, it encounters many potential bottlenecks. But that also means there are a number of ways to improve storage subsystem performance. The key to the tuning process is a thorough under... Podcasts
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Dell Enterprise Forum: Convergence, flash cache still on roadmap
Dell storage news focused on Compellent at its enterprise forum, but execs promise EqualLogic upgrades and integration between platforms. News
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Big Blue's billion-dollar bet on SSD includes all-flash storage array
IBM rolls out FlashSystem all-flash arrays -- rebranded Texas Memory Systems products IBM acquired in 2012 -- as part of an aggressive flash push. News
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Object-based storage draws praise, objections
SNW verdict on object storage: it doesn't have to be difficult to implement, but when is it necessary? News
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Virtual server value still outweighs virtual storage
Storage admins and vendors say they want virtual storage to act more like virtual machines, but is that possible? News
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Storage tiers: SAS interface, MLC flash rising
SAS vs. SATA battle in enterprise data storage shows hard drives with SAS interface trending up; cheaper MLC SSDs outnumber SLC in enterprise. News
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Enterprises still waiting for SSD prices to drop
Market research shows flash isn't denting hard drive sales yet, which is attributed mainly to still-high solid-state drive prices. News
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Automated tiering helps digital forensics firm get the most out of SAN
Digital forensics firm D4 extends its storage capability and saves on expensive disks with Dell Compellent's Data Progression automated tiering. News
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HDS' Yoshida on virtual data storage: Appliances don't go far enough
Hitachi Data Systems CTO Hu Yoshida discusses virtual data storage challenges and the effects of server virtualization on enterprise storage. News
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Hitachi's enterprise storage arrays back on top
Eclipsing a strong field of enterprise storage array contenders, Hitachi made an impressive run by sweeping all five Quality Awards ratings categories. Feature
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HP StoreSystem: New converged system combines 3PAR, StoreOnce
HP's new StoreSystem converged system combines 3PAR StoreServ storage and software with StoreOnce deduplication. News
- See more All on Disk arrays
About Disk arrays
Disk arrays allow for storing information on multiple devices, which is critical to enterprise organizations with big storage needs. Find the latest information on disk arrays on this topic page.
Storage Management Strategies for the CIO