Author Archives: Marc Crespi

Backup Appliance Performance Comparison

Switzerland is lovely this time of year! Speaking of Switzerland, I have long been an avid reader of Storage Switzerland.  I especially find George Crump’s articles to be not only informative but written in an engaging manner.  The most recent … Continue reading

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Disk Backup System: Pay as You Grow Instead of Paying More Up-Front

5 keys to scalability with disk-based backup systems – Part 3 of 5 In part two of this blog series, we discussed how a grid-based system (instead of a single-controller/disk shelf model) allows backup performance to be maintained as your … Continue reading

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Importance of Scalability with Disk Backup Systems as Data Grows

5 keys to scalability with disk-based backup systems – Part 2 of 5 In the first part of this blog series, we discussed the cost effectiveness of disk-based backup and addressed how data deduplication can make disk backup affordable through … Continue reading

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5 Keys to Scalability with Disk Backup Systems

5 keys to scalability with disk-based backup systems – Part 1 of 5 As your business grows, so does the amount of data it generates, and the amount of storage capacity needed to properly retain the data often cascades out … Continue reading

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ExaGrid Disk Backup Performance vs EMC Data Domain

In follow-up to the ExaGrid announcement of our EX13000E and its industry-leading price/performance and disk backup performance per TB, I’d like to address the understandable confusion Eric Hagstrom of EMC fell into in his recent blog questioning ExaGrid’s performance numbers. Our … Continue reading

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Disk Backup: A Better Way to Backup Virtualized Servers

If you’re one of the increasing number of IT professionals who is dealing with how to backup your virtualized servers, you may be pleased to know about some new disk backup capabilities now available that can help you solve difficult … Continue reading

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8 Considerations when Evaluating Disk Backup with Data Deduplication

In the previous blog post, we discussed how the movement from tape to disk backup with data deduplication is underway. In this post, we will discuss 8 key considerations when evaluating disk backup with data deduplication approaches. Now that it … Continue reading

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The Movement from Tape to Disk Backup with Data Deduplication

The movement from tape to disk-based backup with data deduplication is now well underway. Disk backup eliminates all the problems of tape.  Backing up to disk is faster than backing up to tape and disk backups are more reliable and … Continue reading

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Scalability in Disk Backup vs Primary Storage: Data Growth Challenges

This represents the 2nd installment in a series of 5 blog posts covering the importance of scalability in disk-based backup with deduplication products.  In previous entries, I talked about how important a product’s architecture is to its overall scalability. Specifically, … Continue reading

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Difference between Data Movement in Disk Backup vs. Primary Storage

In my last blog post, I outlined 5 key reasons scalability is critical in disk-based backup architectures. Specifically, I wrote about how critical it is that a product’s architecture truly matches its intended use case. If you look at the … Continue reading

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