Disk To Disk To Tape

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Overcoming the Challenges of Tape with a Disk-Based Backup Solution by ExaGrid Systems, Inc.
administering tape, backing up to tape and restoring files from it can be time consuming, unreliable and complex. Disk has always been an easier, more reliable alternative, but until recently its high acquisition cost has made it untouchable for...
Satisfying the 7 Requirements of Cost-Effective Disk-based Backup by ExaGrid Systems, Inc.
a scalable, cost-effective disk-based backup solution that works with your existing backup application. Learn how it satisfies the 7 requirements of cost-effective disk-based backup and the advantages it has over other solutions. Organizations...
The Benefits of Second Generation Disk-Based Backup Technology by ExaGrid Systems, Inc.
As disk prices are falling, backup to disk has become a reality. However, many organizations quickly find that without compression and data de-duplication that the amount of disk required to maintain backup retention is cost prohibitive.

Over the past...
Disk-based Data Protection Options: The Changing Data Protection Landscape by ExaGrid Systems, Inc.
45;based data protection options to allow you to select the best technology for each of the data types to be protected in your environment. Over the past 40 years of computing, the standard way of protecting primary disk storage data was to backup that...
Moving to Disk-based Backup? Seven Key Questions to Ask by ExaGrid Systems, Inc.
Backing up to disk instead of tape eliminates the hassles of tape, provides faster backups and restores, improves security and streamlines operations. Learn about the 7 critical questions to ask when considering a move to disk-...
Major Considerations in Moving to Disk-based Backups by ExaGrid Systems, Inc.
mix of disk and tape components to meet the backup capacity, performance, reliability, and security requirements of your environment. This paper explains the process of selecting the right mix of disk and tape components to meet the backup...
The Advantages of Deduplication-Based Disk Systems for Onsite Backup Storage by Diligent Technologies Corporation, an IBM Company
companies still copy these backups to tape for offsite storage, some companies have figured out ways to either stop shipping tapes or to stop using them altogether...
VTL Data Management Issues by Storage Magazine
and cataloging the transfer of data to tape. With the proliferation of virtual tape libraries within storage environments, storage managers face an increased number of decisions in regards to managing and cataloging the transfer of data to tape.

As disk...
Using Tape Virtualization to Improve Backup Performance by Sun Microsystems, Inc.
review of Sun Microsystems' tape virtualization solutions, identifying how their offerings can best be leveraged to produce an optimized backup infrastructure. Virtual tape library (VTL) technology is arguably the easiest way to introduce...
Using Disk-based Backup for Better Backups and Restores by ExaGrid Systems, Inc.
and markets, popularly priced, easy-to- use image capture products. The IT staff at Concord Camera was struggling with long backup windows and concerned about the company's ability to restore data from tape in the event of an emergency. Finally, this...
Backup & Recovery by SearchStorage.com
decide which type of backup drive to purchase? There are only eight critical decision factors, and this paper covers each of these factors in detail. How do you decide which type of backup drive to purchase? There are big drives, small drives, fast...
US AFB Implements ProtecTIER™ — Cuts Backup Time by 50 Percent While Maximizing the Use of Existing Storage Resources by Diligent Technologies Corporation, an IBM Company
seven LTO-3 tape drives, and a virtual tape disk-to-disk solution using SATA drives. In choosing the virtual tape solution, the team worked with Ken Payne of Abba Technologies. One thing that sparked the team's interest was the proposed use of Diligent Technologies' unique...
ESG - A Compelling Disk Backup Story by ExaGrid Systems, Inc.
This ESG white paper explores how disk-based backup has emerged and why it is so critical in today's storage environments. Read this white paper to also learn how one company has blossomed in the disk market and the products they offer. Over the past few years...
Data Protection Using Premium Features: PowerVault™ MD3000 and MD3000i by Dell, Inc.
premium features include Virtual Disk Snapshot and Virtual Disk Copy. Dell offers key-enabled premium features to help enhance the functionality of the PowerVault MD3000 and MD3000i storage arrays. These optional premium features include Virtual...
D2D2T Backup Architectures and the Impact of Data De-duplication by Quantum Corporation
of de-duplication in a disk-to-disk-to-tape (D2D2T) backup and recovery environment. No one technology by itself solves all the challenges for backup and recovery at every point in the data lifecycle. Different access and retention...
Gartner Names "ExaGrid Cool Vendor" in Data Protection by ExaGrid Systems, Inc.
option than traditional backup-to-tape methods. The "Cool Vendors in Data Protection" report points to a focus on new and less-expensive disk-based backup options that make the use of disk for faster backup and recovery a more viable option than...
Enterprise-ready VTLs by Storage Magazine
disk-based backup. By storing data to disk rather than tape, the VTL speeds data backup and retrieval without requiring users to change their existing backup processes. This is because, to the backup server and backup application, the VTL looks like a...
HP Data Protector Software Advanced Backup to Disk Integration with Virtual Tape Libraries White Paper by Hewlett-Packard Company
by utilizing the Advanced Backup to Disk functionality available with the HP Data Protector Software. This white paper provides a better understanding of the integration of HP Data Protector Software with Virtual Tape Libraries by utilizing the...
IT Briefing: Data Deduplication and Disk Backups: An End-User's Guide to Success by ExaGrid Systems, Inc.
to do an efficient job of backing up to disk. Tape-based backup solutions are fraught with problems. Restore time from tape is prohibitive and tape proliferation is a concern. These problems can be solved by backing up to disk; data deduplication reduces the...
EMA Whitepaper: Simple, Reliable, Fast De-duplication Data Protection Platform by Diligent Technologies Corporation, an IBM Company
is outpacing most firms' ability to add disk capacity to their VTLs. This phenomenon has led to a strong demand for data de-duplication. Data de-duplication is a technology that finds and eliminates redundant data within a disk repository. The...
Quantum DXi 7500 Support for Veritas NetBackup 6.5 VTL-Direct-to-Tape Feature from Symantec by Quantum Corporation

The DXi7500 is designed to protect sites with 15TB to more than 100TB of primary data, offering Enterprise capacity and performance, active-active HA architecture, integrated direct tape creation, and choice of data de-...
Transforming Your Backup Through Data De-Duplication by Quantum Corporation
data de-duplication technology to become part of a complete backup and retention solution set that also includes conventional disk backup, tape, replication, and encryption. Quantum's solutions allow data de-duplication technology to...
Beyond Virtual Tape Libraries: End-to-End Data Protection with Syncsort Disk-to-Disk Solutions by Syncsort
45;term needs. Read this white paper to learn why D2D backup solutions are the ideal data protection technologies for y... Today, IT network administrators responsible for data protection are struggling with similar quandaries. While VTL data storage...
Disk Based Backup - Implementation Techniques by Dell | EqualLogic
techniques for disk-to-disk backups, what to be aware of when evaluating VTL, and how to equip your organization for changes in data protection technologies. In this document, you'll gain expert insight from W. Curtis Preston...
ESG: Disk-based Backup With Data De-duplication by ExaGrid Systems, Inc.
on testing of the ExaGrid backup to disk solution with a focus on ease of deployment, performance, disk capacity optimization, WAN-efficient remote replication and scalability. A growing number of organizations are embracing disk-based backup solutions...
ProtecTIER: Changing the Game With An Enterprise-class Disk-based Data Protection Solution by Diligent Technologies Corporation, an IBM Company
is the first enterprise-class disk-based data protection solution that enables customers to effectively increase the capacity of disk systems by 25 times or more. Read about this world-class solution here. Diligent Technologies' ProtecTIER...
Fast and Simple Recovery of Your Critical Microsoft Applications by Symantec Corporation
44; high-performance, disk-to-disk-to-tape backup and recovery. Companies today face the ever-increasing challenge of managing the explosive growth of valuable data. Symantec Backup Exec™ 12.5 for Windows servers is the gold...
Converging System and Data Protection in Windows Environments by Symantec Corporation
In this whitepaper learn how Symantec Backup Exec12 for Windows Servers and Symantec Backup Exec System Recovery 8 are complementary solutions that deliver complete Windows based data and system protection and recovery. Symantec Backup Exec 12 for Windows Servers and Symantec Backup Exec System Recovery 8 are complementary...
Related Best Practices
How to implement snapshots
It can take up to 12 hours or more to process a full backup job and move the entire backup volume to tape or disk. For many companies, that's just too much time. IT departments can use snapshots to capture entire storage environments, or simply track changes to the state of mission-critical systems. Snapshots can establish recovery points in just a fraction of the time... More...
How to implement disk-to-disk backups
and location are needed. Below are a series of best practices that can ease implementation of disk-to-disk (D2D) backup.

Preprocess files before moving

Processing a backup job takes time and demands significant work from the backup server. Some storage or backup administrators choose to process the entire backup job to the local server first, and then move the backup... More...

How to improve tape backup performance and reliability
drives. Experts note that some organizations can ease shoeshining by processing the backup job to disk first, and then streaming the completed job to the tape system. This approach allows all of the server's processing power to focus on moving backup data rather than creating the backup and moving data at the same time.

Use data reduction technologies to shrink the... More...

FAQ's
Server-free backup FAQ
present that data to some other system or device that can copy the data to tape. The typical way that this is done is via a dedicated backup server. So, you have a server that's being backed up. It's using data that's on the storage area network (SAN), which is being controlled and split off and snapped by a backup server... More...
Data deduplication FAQ
going on. You have recoveries going on. You have data being moved off to tape. It just becomes a much more complex, dynamic environment.

Some of the technologies I personally think are enterprise-ready are Dilligent Technologies and Sepaton. Both companies have had products on the market for some time now... More...

What type of data reduction ratios should you realistically expect using deduplication?
at it in that context, you'll hear advertised ratios of anywhere from 10 to 500X.

But, realistically, I think it's safe to assume a ratio of anywhere between 13 to 17X. You'll probably see lower ratios on target-based deduplication, and you'll see higher ratios on source-based deduplication just because of how... More...