Storage Management Strategies for the CIOEmail Alerts
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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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Using a storage partition in your data storage infrastructure
Learn about the common use cases for a storage partition in a data storage infrastructure, as well as the differences between a storage partition and a LUN. FAQ
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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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Primary storage data reduction advancing via data deduplication, compression
Primary storage data reduction is becoming more practical as hardware to support performance-impacting data deduplication and compression techniques matures. Special Report
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Storwize claims good data compression rates, no performance degradation on STN-6000 appliance
Storwize's STN-6000 inline appliance acts on primary storage using real-time compression; the company claims data reduction ratios as high as 15:1 and no performance degradation. Special Report
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Primary storage data reduction: Data deduplication and compression tools
Learn about the current primary storage data reduction marketplace -- including tools that handle data deduplication and compression for primary storage data reduction -- and find out where the market is headed. Special Report
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Ocarina ECOsystem deconstructs before compression, deduplication for primary storage data reduction
Ocarina's ECOsystem appliance achieves its primary storage data reduction through a combination of post-process compression and data deduplication, though critics say its performance impact is too high. Special Report
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NetApp: Post-process deduplication limits performance hit in primary storage data deduplication
NetApp's post-process deduplication approach to primary storage data deduplication limits the performance penalty to about 20% percent, and the company claims its deduplication on VMDK files delivers 70% space savings. Special Report
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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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Enterprise data storage technologies rise from the dead
Greg Schulz discusses enterprise data storage technologies that have been declared dead, like RAID and Fibre Channel, but are still productive in storage infrastructures and still produced by vendors. Interview
- See More: Essential Knowledge on Disk drives
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Week in review: Nirvanix completes new round of funding
In our week in review podcast, Senior News Director Dave Raffo talks about the week’s top storage news with Assistant Editor John Hilliard. News | 04 May 2012
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NetApp refreshes FAS storage arrays, adds SSDs and inline compression
NetApp adds FAS3200 midrange and FAS6200 enterprise storage arrays, support for solid state drives (SSDs) -- without automated tiering -- and inline compression. Article | 08 Nov 2010
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6 Gbps SAS drives signal end of line for Fibre Channel disk drives
Shift to 6 Gbps SAS drives signals the end of Fibre Channel disk drives, as manufacturers plan no upgrades or improvements beyond current 4 Gbps FC iteration. Article | 21 Jun 2010
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LSI delivers Flash-based PCIe card with 6 Gbps SAS interface
LSI PCIe card – with Seagate solid state modules -- will compete with Fusion-io cards in a solid-state storage market moving past its latest hype cycle; LSI also launches 6 Gbps SAS switch for direct attached storage (DAS). Article | 16 Mar 2010
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Seagate's Pulsar enters solid-state drive market for servers
Seagate Technology, the world's largest hard drive manufacturer, releases its Pulsar enterprise solid-state drive (SSD) product for servers, and claims SSDs for external storage will follow. Article | 08 Dec 2009
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Dataram enters solid-state storage market with XcelaSAN
Memory controller vendor Dataram wades into the current Flash-as-cache vs. Flash-as-disk debate with its new XcelaSAN storage acceleration device. Article | 28 Sep 2009
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Pliant claims up to 180,000 IOPS per drive with new Lightning Enterprise Flash Drive
Pliant's Lightning EFD family is welcomed into an SSD market that needs more competition, analysts say, but the firm has yet to announce channel or OEM partnerships for products. Article | 14 Sep 2009
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Low-cost MLC NAND flash gains in enterprise solid-state storage
New specialty NAND flash devices from Fusion-io and enterprise MLC from STEC are seen as solid-state storage alternatives to higher cost SLC, but wide performance gulf remains. Article | 08 Sep 2009
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STEC Inc. CTO looks at the future of flash and solid-state drives
STEC Inc. president and CTO Mark Moshayedi discusses enterprise MLC SSDs, the need for more market education and competition, and the next evolution after NAND. Article | 17 Aug 2009
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STEC ships enterprise-ready MLC solid-state drives, but acknowledges tradeoffs
STEC ships enterprise-ready multi-level cell (MLC) solid-state drives (SSDs) to its OEM partners, but warns of performance and endurance tradeoffs with a cheaper cost per gigabyte. Article | 13 Aug 2009
- See More: News on Disk drives
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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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Self-healing systems and RAID technology
Find out how Atrato, DataDirect Networks, Panasas and Xiotech use RAID technology in self-healing systems and also deal with hard disk drive (HDD) failures. Tip
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Is SAS-2 a viable alternative to Fibre Channel drives?
Cheaper 6 Gbps SAS-2 devices are challenging Fibre Channel's position in the data storage market . Find out if SAS-2 is a good fit for your data storage infrastructure. Tip
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Solid-state drives vs. hard disk drives: How to justify the cost of an SSD
Learn about the best use cases for solid-state drives (SSDs) and why applications that directly impact revenue are a perfect fit for the technology. 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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How to add solid-state storage to your enterprise data storage systems
Learn four ways to complement your enterprise storage systems with solid-state storage, including adding solid-state drives (SSDs) instead of disk drives, two ways to effectively use NAND flash and the benefits of using standalone SSD arrays. Tip
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Fail-in-place systems: Avoiding hard disk drive failures
Fail-in-place storage systems, such Atrato's V1000 and Xiotech's Emprise 5000 or ISE, can virtually eliminate hard disk drive replacement service calls. Tip
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What are the differences between SATA II vs. SATA I?
New SATA II-based drives will make their way into the enterprise because of three features: port multipliers, port selectors and native command queuing. Tip
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Using SAS and SATA for tiered storage
This podcast offers detailed information about SAS and SATA so you can strike the right balance between SAS and SATA in a tiered storage environment. Tip
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IBM Tivoli Storage Manager and disk backups
This is the third of a four-part series on IBM's Tivoli Storage Manager disk backup software. This tip discusses integration of disk as a backup media in a TSM environment. Tip
- See More: Tips on Disk drives
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Why does my EMC 45 TB drive yield only 41 TB of usable storage?
Storage expert Ashley D'Costa answers a reader's question: "When is a 300 GB drive not a 300 GB drive?" Ask the Expert
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SATA controllers
Storage expert Greg Schulz answers a reader's question: "Is a dual-channel SATA controller the same as a two-port SATA controller?" Ask the Expert
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SATA plugs on motherboards?
SAN expert Greg Schulz discusses SATA and ATA compatible disk drives. Ask the Expert
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FATA vs. FC disk drives
Storage expert Greg Schulz compares FATA and FC disk drives. Ask the Expert
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SATA port: Can you run multiple drives off of one?
Storage networking expert Greg Schulz discusses how to run multiple drives off a SATA port. Ask the Expert
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SATA and SCSI compatibility
Storage expert Chris Poelker discusses SATA/SCSI compatibility issues in this expert advice article. Ask the Expert
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How to compare FC and SCSI
Storage expert Greg Schulz offers advice on how to compare FC and SCSI technology, and technology in general. Ask the Expert
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SATA for small Exchange environments?
This advice details whether SATA can be used for Exchange environments of about 50 people or less. Ask the Expert
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Tiered storage with SATA
Planning is the most important step when setting up a tiered-storage system using lower-cost disk. Ask the Expert
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SATA disk drive duty cycle
Ask the Expert
- See More: Expert Advice on Disk drives
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storage capacity planning
The goal of storage capacity planning is to predict how much storage an organization will require so that just enough disk space can be purchased to meet the needs of users and applications. Definition
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solid-state drive (SSD)
An SSD (solid-state drive or solid-state disk) is a storage device that stores persistent data on solid-state flash memory. (Continued...) Definition
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disk-to-disk-to-tape (D2D2T)
Disk-to-disk-to-tape (D2D2T) is an approach to computer storage backup and archiving in which data is initially copied to backup storage on a disk and then later on copied again to tape. Definition
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holographic disk drive
A holographic disk drive is a holographic storage device that uses a laser to store data to optical media in three dimensions, maximizing storage capacity by using the media's depth... (Continued) Definition
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backup robot
A backup robot is an automated external USB storage device that supports multiple removable SATA hard drives. The device offers small businesses and consumers many of the benefits of smart storage without the cost or complexity of RAID systems. (Cont... Definition
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Robson
Robson is a mass storage system similar to a hybrid hard drive (HHD)... (Continued) 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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hybrid hard drive (HHD)
A hybrid hard drive (HHD) is a mass storage device that contains both a conventional hard drive and a flash memory module... (Continued) Definition
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hard-drive encryption
Hard-drive encryption is a technology that encrypts the data stored on a hard drive using sophisticated mathematical functions... (Continued) Definition
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Secure Digital card (SD card)
A Secure Digital (SD) card is a tiny memory card used to make storage portable among various devices, such as car navigation systems, cellular phones, eBooks, PDAs, smartphones, digital cameras, music players, camcorders, and personal computers...(Co... Definition
- See More: Definitions on Disk drives
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Week in review podcast: HDD shortage, AWS cloud gateway; and more
Listen to the top news of the week from the Storage Media Group: The impact of HDD shortages, a new Amazon l cloud storage gateway -- and more headlines. 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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Week in review: Nirvanix completes new round of funding
In our week in review podcast, Senior News Director Dave Raffo talks about the week’s top storage news with Assistant Editor John Hilliard. News
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Week in review podcast: HDD shortage, AWS cloud gateway; and more
Listen to the top news of the week from the Storage Media Group: The impact of HDD shortages, a new Amazon l cloud storage gateway -- and more headlines. Podcast
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storage capacity planning
The goal of storage capacity planning is to predict how much storage an organization will require so that just enough disk space can be purchased to meet the needs of users and applications. Definition
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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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NetApp refreshes FAS storage arrays, adds SSDs and inline compression
NetApp adds FAS3200 midrange and FAS6200 enterprise storage arrays, support for solid state drives (SSDs) -- without automated tiering -- and inline compression. Article
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solid-state drive (SSD)
An SSD (solid-state drive or solid-state disk) is a storage device that stores persistent data on solid-state flash memory. (Continued...) Definition
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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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Self-healing systems and RAID technology
Find out how Atrato, DataDirect Networks, Panasas and Xiotech use RAID technology in self-healing systems and also deal with hard disk drive (HDD) failures. Tip
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Using a storage partition in your data storage infrastructure
Learn about the common use cases for a storage partition in a data storage infrastructure, as well as the differences between a storage partition and a LUN. FAQ
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6 Gbps SAS drives signal end of line for Fibre Channel disk drives
Shift to 6 Gbps SAS drives signals the end of Fibre Channel disk drives, as manufacturers plan no upgrades or improvements beyond current 4 Gbps FC iteration. Article
- See More: All on Disk drives
About Disk drives
Disk drives used in enterprise-level disk arrays are SAS, SATA and Fibre Channel, 3.5-inch or 2.5-inch, they now store up to 1 TB. Read news about hard disk drive technology on this topic page.