Access "Enterprise-ready VTLs"
This article is part of the Vol. 7 No. 6 August 2008 issue of Betting on an enterprise-level virtual tape library (VTL)
Most virtual tape libraries will accelerate backups, but there are key differences among them when it comes to scaling, interoperability and management. For a growing number of organizations, a virtual tape library (VTL) provides a cost-effective addition to their 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 traditional tape library. Benefits include squeezing ever-larger data sets into tight backup windows, retrieving data quickly when required for legal or regulatory reasons, and reducing the operational and reliability risks related to tape. However, not all VTLs are created equal. The larger and more complex the storage environment, the more attention users should pay to how the VTL provides scalability, performance, manageability and deduplication which, by storing only unique bits of data, can reduce disk capacity and bandwidth needs by as much as ... Access >>>
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Lights, camera, storage!
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Ask the Experts: Tape media failure
Is there a way to anticipate tape media failures?
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Enterprise-class virtual tape libraries (VTLs) are an increasingly cost-effective destination for data that needs to be backed up or restored quickly, and isn't quite ready for offsite archiving. But the more complex the storage environment, the more attention users should pay to how the VTL provides scalability, performance, manageability and deduplication.
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Storage-as-a-service (SaaS) companies learned from the mistakes of their dot-com era predecessors. Today, SaaS is being driven by economic factors, as well as runaway data growth, compliance requirements, security issues and disaster recovery mandates. And a few well-established storage heavyweights entering the market hasn't hurt any.
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iSCSI is a mature protocol for accessing storage and a solid alternative to Fibre Channel. Technologies such as blade servers and server virtualization benefit from iSCSI as it lets you minimize the number of connections required. And because everything is IP-based, there's no more need to waste slots for host bus adapters, which simplifies your configuration.
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Snapshots, continuous data protection and deduplication are making their way into traditional backup products. By capturing, transferring and storing less data in the backup process, organizations can back up more data to disk--retaining data on disk for longer periods of time or enabling disk-to-disk backup for more sets of data than before.
- Storage Bin 2.0: The life and death of information
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