Data reduction and deduplication
Deduplication is one of the most useful data reduction technologies in data backup and recovery. Learn about file-level vs. block-level dedupe products, and about global vs. source dedupe. Explore resources on data reduction and deduplication, including tips on how to choose a data deduplication tool.
Top Stories
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Tip
02 Oct 2024
How to improve backup performance
Achieving and maintaining optimal backup performance is a continuous process that requires a proactive approach to monitoring, analysis and optimization. Continue Reading
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Tip
20 Sep 2024
Increase backup efficiency with a data destruction policy
Data destruction policies are often rooted in security and storage capacity concerns, but reducing the overall amount of data can greatly improve the efficiency of backup jobs. Continue Reading
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News
12 Sep 2024
Druva's Dru Investigate guards backup data from cyberattacks
The latest generative AI service from Druva, Dru Investigate, adds a new copilot option to its backup software that identifies anomalies and offers remediation suggestions. Continue Reading
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News
05 Aug 2024
GenAI lags traditional AI and ML for enterprise data backup
Enterprises are using AI and ML technologies with their backups for classification or security over recent generative AI tools like chatbots, industry analysts say. Continue Reading
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Definition
03 Apr 2024
data minimization
Data minimization aims to reduce the amount of collected data to only include necessary information for a specific purpose. Continue Reading
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Definition
11 Mar 2024
asynchronous replication
Asynchronous replication is a store-and-forward approach to data backup and protection. Continue Reading
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News
09 Feb 2024
DigitalOcean now offers daily backup capability for VMs
The latest feature for IaaS cloud provider DigitalOcean enables daily backups and faster recoveries, but enterprises still require more for mission-critical workloads. Continue Reading
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Definition
31 Jan 2024
data deduplication hardware
Data deduplication hardware is disk storage that eliminates redundant copies of data and retains one instance to be stored. Continue Reading
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Definition
23 Oct 2023
data reduction
Data reduction lowers the amount of capacity required to store data. Continue Reading
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News
17 Oct 2023
StorPool adds fast erasure coding to block storage
Latest release of StorPool Storage enables high-performance data protection for block storage using erasure coding on standard SSDs for fast recovery of demanding applications. Continue Reading
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Definition
28 Jul 2023
MP3 (MPEG-1 Audio Layer 3)
MP3 (MPEG-1 Audio Layer 3) is a method to compress and store audio. An MP3 can compress a music file by up to 95% of its original CD-quality size while maintaining good enough audio quality. Continue Reading
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Feature
09 Mar 2023
How SSD data reduction can help enterprises
Data reduction techniques have been difficult to achieve on SSDs, but vendors appear to be making progress. The more effective the data reduction, the more affordable SSDs become. Continue Reading
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Definition
19 Jan 2023
LZW compression
LZW compression is a method to reduce the size of Tag Image File Format (TIFF) or Graphics Interchange Format (GIF) files. Continue Reading
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Tip
20 Dec 2022
Use magnetic tape backup to ease storage capacity concerns
Does your organization struggle to store and protect all its data? Magnetic tape storage might be a smart, cost-efficient route, as data volumes continue to increase. Continue Reading
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Definition
23 Nov 2022
image-based backup
Image-based backup creates a copy of an operating system and all the data associated with it, including the system state and application configurations. Continue Reading
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Tip
26 Oct 2022
5 unstructured data backup challenges and how to handle them
Unstructured data backup requires the management and protection of vast amounts of data while keeping it available and secure. Is your backup strategy up to the challenge? Continue Reading
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Tip
13 Jul 2022
Key differences in software RAID vs. hardware RAID
Hardware RAID generally costs more than software RAID but may offer better performance. Consider factors like cost, performance needs and OSes to find the best fit. Continue Reading
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Definition
12 Jul 2022
image compression
Image compression is a process applied to a graphics file to minimize its size in bytes without degrading image quality below an acceptable threshold. Continue Reading
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Tip
29 Apr 2022
Do the costs of the 3-2-1 backup rule outweigh the benefits?
Data backup admins have relied on the 3-2-1 backup rule for years, but rising costs could indicate a need to modify the traditional data protection strategy. Continue Reading
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News
19 Apr 2022
Aparavi update focuses on managing, eliminating PII
Aparavi Platform's new capabilities include automation tools to isolate personally identifiable information and other sensitive unstructured data. Continue Reading
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News
23 Feb 2022
Veritas NetBackup 10 promises multi-cloud data automation
The latest release of Veritas NetBackup refocuses its data protection and management capabilities on Kubernetes containers, SaaS tools and more frequent updates. Continue Reading
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News
10 Feb 2022
Vast Data, Commvault partner for faster backup, recovery
Vast Data is using its high-performance flash as a backup target for Commvault's software, bringing its efforts to compete with HDDs to the purpose-built backup appliance market. Continue Reading
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Definition
11 Oct 2021
lossless and lossy compression
Lossless and lossy file compression describe whether all original data can be recovered when the file is uncompressed. Continue Reading
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Tip
30 Jun 2021
Challenges of NAS mirror backup: Cost, hardware constraints
NAS mirror backup is a useful way to back up data, but comes with challenges, such as cost and data replication frequency. Learn how to navigate the constraints of NAS mirror backup. Continue Reading
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News
05 Mar 2021
HPE SimpliVity gains cloud backup and Kubernetes CSI plug-in
SimpliVity has added integration with HPE Cloud Volumes Backup and HPE StoreOnce to enable easier backup at the edge, as well as a new Kubernetes CSI plug-in. Continue Reading
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Feature
11 Jan 2021
Dell data protection products portfolio keeps evolving
Follow the rebranding and renaming transitions of the multitude of Dell data protection products acquired and cultivated over the past 30 years. Continue Reading
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Tip
30 Dec 2020
Data sanitization techniques: Standards, practices, legislation
An effective data sanitization process lessens the chance that your organization's valuable data could be stolen or compromised, and enhances compliance. Continue Reading
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Guest Post
18 Dec 2020
How to implement asynchronous replication in Apache Pulsar
David Kjerrumgaard explains how asynchronous replication works in Apache Pulsar for those still learning to use this platform as part of their data backup strategy. Continue Reading
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Answer
21 Aug 2020
Best practices for intelligent data management use
The intelligent data management platform helps organizations get more out of their data. Explore why this trend has taken off and three best practices for use. Continue Reading
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News
10 Aug 2020
Flexible Metal bends toward Arcserve backup
Flexible Metal's IT manager was trying to do site-to-site replication for backup and DR using Veritas Backup Exec but found it too slow. Arcserve was faster and more reliable. Continue Reading
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Tip
07 Jul 2020
The importance of data backup policies and what to include
It's important to document your data backup and recovery policy. Take the first step and download our template and use this structure for developing other IT policies. Continue Reading
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Tip
01 Jul 2020
Hardware replication vs. software replication: The differences
Hardware replication and software replication have different use cases and pros and cons, so it's important to do your research before choosing one over the other. Continue Reading
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Feature
08 Nov 2019
Select enterprise data backup software to fit data protection needs
While some backup and recovery software applies to the entire enterprise, other products address environment-specific data protection, virtualization and the public cloud. Continue Reading
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Feature
30 Oct 2019
5 considerations before buying data center backup software
Backup and recovery software should support various OSes and environments such as VMware, as well as applications running in public cloud IaaS and SaaS platforms. Continue Reading
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News
25 Oct 2019
Veritas Flex appliance line extends out to the edge
Veritas makes an edge play with a smaller Flex appliance running NetBackup, designed for remote offices to deduplicate data at the source before it is migrated to a data center. Continue Reading
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Guide
15 Oct 2019
Backup deduplication: A complete guide
Backup deduplication has moved from cutting-edge technology to mainstream staple. Learn about the different types, benefits and challenges of deduplication. Continue Reading
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Tip
13 Aug 2019
How a backup administrator can manage large volumes in 3 steps
Backup administrators have a tall task: managing a vast amount of data. Even if the volume is seemingly growing out of control, it's possible to keep a handle on it. Continue Reading
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Definition
04 Mar 2019
data deduplication
Data deduplication is a process that eliminates redundant copies of data and reduces storage overhead. Continue Reading
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News
25 Feb 2019
Synology Active Backup boosts recovery speeds for Shiseido
Worried about slow recovery times and the impact ransomware might cause endpoint devices, Shiseido swapped in Synology Active Backup to reduce recovery time to 30 minutes. Continue Reading
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Answer
25 Feb 2019
How do I decide when to deduplicate data and where?
On its surface, data deduplication is a positive because it deletes redundant data. Use the technology carefully, but at the right moment for the best results. Continue Reading
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News
13 Feb 2019
New Dell EMC all-flash Isilon hardware compresses NAS data
Dell EMC Isilon F810 all-flash NAS array and ClarityNow software tackle unstructured file data through increased performance and data reduction over previous versions. Continue Reading
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Infographic
11 Feb 2019
A secondary storage management answer to mass fragmentation
A study finds mass secondary data fragmentation across storage silos is negatively affecting IT staff morale and the ability of enterprises to comply with regulations. Continue Reading
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News
05 Feb 2019
Dell EMC backup appliance lines support GCP, Alibaba Cloud
Dell EMC backup appliances get a software update that improves speed and expands public cloud support, showing a conscious push for multi-cloud and midsize customers. Continue Reading
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News
14 Jan 2019
Quantum backup appliance portfolio grows by two
The Quantum backup appliance lineup gets refreshed with the addition of the DXi4800 and DXi9000 series. But the vendor is staying away from integrated appliances at the moment. Continue Reading
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Answer
08 Jan 2019
What are 3 best practices for compressed backups?
Learn important details about the use of hardware and software data compression, as well as redundancy, that could help your organization improve its backup process. Continue Reading
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Tip
29 Nov 2018
Unlock storage savings with Windows Server deduplication
Windows Server comes with a data deduplication feature to reduce the organization's storage crunch, but it's important to plan around some potential drawbacks. Continue Reading
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Tip
24 Oct 2018
Compression, deduplication and encryption: What's the difference?
Learn the distinctions and similarities among data compression, dedupe and encryption as these data protection methods gain importance in everyday storage. Continue Reading
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Tutorial
09 Oct 2018
Inline deduplication vs. post-processing: Data dedupe best practices
Will inline or post-processing deduplication work better for your data protection platform? There are several products on the market that offer these capabilities. Continue Reading
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News
06 Aug 2018
Quest launches QoreStor for appliance-free dedupe
Quest strips the data deduplication software out of DR appliances, launching it as the independent QoreStor application, which supports any vendor's backup hardware. Continue Reading
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News
05 Jul 2018
New Quantum CEO Lerner sees a future in rich media
The former Cisco exec hopes to use Quantum's high-ingest technology and tape storage to serve a growing need in the surveillance, medical and entertainment markets. Continue Reading
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Buyer's Guide
30 May 2018
Simplify the integrated data backup appliance buying process
Learn how to assess your organization's needs for an integrated backup appliance and to evaluate the different data backup systems on the market to find the right fit. Continue Reading
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Feature
16 May 2018
Select a data backup appliance with robust functionality
Many leading appliance-based data backup systems include functions such as backup, archiving, disaster recovery and replication, and they can be used for test/development and analytics. Continue Reading
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Tip
03 May 2018
Inline deduplication fits well with hyper-converged IT
Of the two main types of deduplication, most HCI vendors choose inline over post-process because of the performance benefits and lower levels of total storage required. Continue Reading
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Opinion
01 May 2018
Cohesity's hyper-converged secondary storage takes on data growth
An out-of-the-box secondary storage strategy to deal with the coming deluge of file and object data promises to overcome scalability, management and capacity limits of NAS. Continue Reading
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Feature
25 Apr 2018
Exploring the leading appliance-based data backup systems
Learn how leading integrated backup appliance systems address key considerations, including capacity and performance, and what operational benefits they offer. Continue Reading
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Definition
10 Apr 2018
inline deduplication
Inline deduplication is the removal of redundancies from data before or as it is being written to a backup device. Continue Reading
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Feature
08 Mar 2018
Ten ways to protect intellectual property and trade secrets
Industrial espionage is on the rise, and more data means more risk. Find out how to control the growth of data stores and secure your organization's most valuable assets. Continue Reading
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Feature
26 Feb 2018
Data backup appliance offers simplicity and efficiency
Learn how an integrated backup appliance can help sites with scalability issues or no dedicated backup team streamline the design and implementation of their backup architecture. Continue Reading
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Feature
11 Feb 2018
Cohesity DataPlatform 4
Cohesity's converged data protection product, DataPlatform, integrates appliances with backup, archiving and data analytics while shrinking secondary storage's data footprint. Continue Reading
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Opinion
06 Jul 2017
ECX 2.6 includes intelligent data management
Catalogic Software's approach to snapshot creation and management delivers pragmatic features to DevOps and more with the release of ECX 2.6. Continue Reading
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News
08 May 2017
Dell EMC IDPA changes vendor's backup strategy
The Dell EMC Integrated Data Protection Appliance is the vendor's first integrated enterprise backup target. What does this mean for physical Data Domain appliances? Continue Reading
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Answer
24 Apr 2017
How does deduplication in cloud computing work and is it beneficial?
The deduplication process reduces the amount of data in a storage system, but dedupe in the cloud may be more valuable to the cloud provider than the customer. Continue Reading
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Answer
28 Nov 2016
What are some new data deduplication techniques?
Copy data management is just one technology utilizing recent innovations in the backup deduplication space, combatting sprawl and managing snapshots. Continue Reading
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Quiz
29 Jul 2016
Test your copy data storage management knowledge
Every organization makes copies of data, but could they be gobbling up vital amounts of storage space? Take this quiz to see if you know copy data management best practices. Continue Reading
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Feature
11 Feb 2016
Oracle Zero Data Loss Recovery Appliance
The Oracle Zero Data Loss Recovery Appliance is integrated with RMAN and Oracle Enterprise Manager and is designed to drastically reduce data-loss exposure. Continue Reading
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Answer
25 Nov 2014
What is Data Domain Boost and what is it used for?
SearchDataBackup Senior Site Editor Andrew Burton explains what EMC's Data Domain Boost software is designed for, how it works, and which products it supports in this Expert Answer. Continue Reading
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Tip
05 Dec 2013
Techniques for performing EFS recovery
IT pros face the daunting task of EFS-encrypted data, but Brien Posey offers EFS recovery tricks in this tip. Continue Reading
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Tip
07 Aug 2013
The keys to a compliance-ready records retention schedule
Data retention and destruction have become key elements of compliance, making a retention schedule essential to a successful GRC program. Continue Reading
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Photo Story
10 Apr 2013
Backup challenges: Slow backup and recovery, growing capacity demands
Our recent survey data indicates slow backup and recovery, growing capacity demands and virtual server backup remain IT pain points. Continue Reading
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News
04 Jun 2012
HP StoreOnce Catalyst accelerates dedupe
HP StoreOnce Catalyst speeds the dedupe process by deduping at the application and backup servers before moving data to the B6200 backup target. Continue Reading
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Tip
29 Aug 2011
The benefits of deduplication and where you should dedupe your data
With a growing number of vendors offering data deduplication solutions, we review the benefits of deduplication and specific dedupe products. Continue Reading
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News
18 May 2011
Quantum plans source-side dedupe for DXi
Quantum's CEO Jon Gacek revealed that the company plans to add source-side data deduplication to its DXi disk backup platform during a quarterly earnings call this week. Continue Reading
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Feature
01 Nov 2010
Solving common data deduplication system problems
Still not getting the deduplication ratios vendors are promising? Learn about the most common problems with deduplication systems and how to fix them. Continue Reading
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Tutorial
08 Mar 2010
Data deduping explained: Deduplication in data backup environments tutorial
Learn everything you wanted to know about data deduping in our tutorial on data deduplication and data backup. Continue Reading
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Tip
18 Sep 2009
Dedupe dos and don'ts: Data deduplication technology best practices
Learn best practices for implementing data deduplication into your backup system from backup expert W. Curtis Preston. Continue Reading
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News
25 Jun 2009
Does data deduplication to tape storage make sense?
Tools now exist to deduplicate data to tape, but the concept still has a way to go before it catches on because of potential costs and management issues. Continue Reading
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Tip
11 May 2009
Understanding data deduplication ratios in backup systems
Data deduplication ratios can be very confusing. Learn about how to estimate a data deduplication ratio in your backup system and how to evaluate a dedupe product in this tip. Continue Reading
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Tip
06 Apr 2009
Data deduplication technology: The business case for dedupe
If you've considered implementing data deduplication, you may be asked how it will benefit your business. This tip will help you decide if dedupe is right for your business. Continue Reading
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Tutorial
11 Mar 2009
Data backup and recovery technology tutorials
Learn about the latest data backup and recovery technology trends in our technology tutorials. Continue Reading
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Tip
09 Mar 2009
A comparison of data compression and data deduplication technologies for SMBs
Data deduplication can often refer to technologies that aren't really deduplication at all. In this tip, we'll discuss the different types of data compression, the pros and cons of each and offer recommendations for SMB storage environments. Continue Reading
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Tip
24 Nov 2008
Data deduplication methods: Block-level versus byte-level dedupe
Block-level and byte-level data deduplication methods deliver the benefit of optimizing storage capacity. When, where and how the processes work should be reviewed for your data backup environment and its specific requirements before selecting one approach over another. Continue Reading
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Tip
20 Oct 2008
Top 10 things to ask a vendor when buying backup software
Before you rush out to buy new data backup software, here are 10 questions you should ask potential backup vendors to help you decide what is best for your backup environment. Continue Reading
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Tip
08 Sep 2008
The pros and cons of file-level vs. block-level data deduplication technology
Some data deduplication approaches operate at the file level, while others examine data at a block level. This tip explores advantages and disadvantages of each method. Continue Reading
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Tutorial
27 May 2008
A step-by-step guide to implementing data deduplication
The best way to select, implement and integrate data deduplication can vary depending on how the deduplication is performed. Learn some general principles that you can follow to select the right data deduplication approach and then integrate it into your environment. Continue Reading
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Tip
26 Jun 2007
How to estimate your data deduplication ratio
This tip details the factors that influence data deduplication ratio (the ratio of data before deduplication to the amount of data after deduplication), so you can estimate the data deduplication ratio you can reasonably expect to achieve. Continue Reading
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Tip
06 Feb 2007
In-band vs. out-of-band deduplication
This tip compares and contrasts in-band and out-of-band deduplication and offers some pros and cons of each approach Continue Reading