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Disk-based data backup and recovery tutorial

Will 2009 be the year you embrace disk-based data backup and recovery? Respondents of Storage magazine's 2009 Storage Priorities survey said the average amount of disk capacity they expect to add next

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year is 39 TB.

In a tough economy, storage administrators looking to stretch storage budgets are doing so by implementing disk-based backup technologies like virtual tape libraries and data deduplication. This disk-based backup and recovery tutorial takes a look at disk-based backup's evolution over the past few years and offers a roundup of recent disk backup news and expert advice.

Table of contents
 Disk-based backup in 2009
 Migrating from tape to disk
 Virtual tape libraries
 Data deduplication
 Disk-based backup advice and tips
 Disk backup news

Disk-based backup in 2009

2009 is going to be a tough year for IT, but disk sales are expected to grow, according to IDC. IDC predicts that shipments of external disk system terabytes will increase at a rate of 60% from 2004 to 2009 and that revenue will increase from $22.6 billion in 2004 to $26.3 billion in 2009. For a look at this year's most important disk-based backup and recovery trends, read this article.

Migrating from tape to disk

There are many things to consider before you migrate from disk to tape. But have you really considered all of the implications of this technological change? You first need to analyze the advantages and disadvantages of disk-based backup to help you decide if it's worth it for you to transition from tape to disk. Read this article for a step-by-step explanation of migrating from tape to disk.

Virtual tape libraries for backup and recovery

Virtual tape libraries (VTLs) can improve your backup and recovery speeds and increase data availability while reducing data protection costs. VTLs are implemented either via software- or software-based appliances by vendors like FalconStor, IBM Corp. and Sepaton Inc. But a VTL is a major investment. Here are 10 questions to ask a potential vendor to help you decide  which VTL is right for you.

Data deduplication

Data deduplication was one of this year's hottest backup and recovery trends. Record sales were reported for data deduplication products. Lauren Whitehouse, an analyst at the Enterprise Strategy Group discusses the differences between block-level versus byte-level dedupe in this column.

Disk backup expert advice

Do you want to know how to speed up disk-based backups, the real differences in VTLs or the cost of tape versus disk? Bookmark our special section on  disk backup tips and how-to articles to stay up to date on the latest technologies.

Disk-based backup news

There were several new product developments in disk-based backup in latter half of 2009. FalconStor rolled out a NAS interface for data deduplication; NetApp released its long-awaited VTL data deduplication; and Symantec and CommVault connected backup software to Dell's MD1000i hardware to create Dell's first disk-to-disk backup appliance. Check out our disk-based data backup and recovery news section. Bookmark this page to stay up to date on the latest product announcements, case studies, trends and more.

 

This was first published in January 2009

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