Access "Virtual tape libraries in depth"
This article is part of the Vol. 8 Num. 8 November/December 2009 issue of Hot storage trends and technology for 2010
For disk-based backup, VTLs have been a relatively easy way to replace traditional tape libraries. With added features such as deduplication, they can be an attractive alternative to other disk target systems. Virtual tape libraries (VTLs) are dead, right? Weren't they supposed to be temporary solutions that would be long forgotten once everyone started backing up to "real" disk? While that might be what the VTL naysayers had in mind, we're more than a few years into the VTL "fad" and many of the products are doing just fine. What happened was that an industry segment morphed to encompass both VTLs and intelligent disk targets (IDTs), a segment that was ultimately validated when EMC Corp. acquired Data Domain for $2.4 billion. We'll review some of the factors that led to the development of VTLs, the current state of VTL technologies and products (including the newer features they now offer), and then we'll end with a look into the future of VTLs and IDTs. Why VTLs came about The VTL/IDT market has become so overshadowed by the data deduplication craze that ... Access >>>
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In our annual assessment, we pick five technologies we think will impact your storage operations in 2010. Read how VMware backup, solid-state storage, thin provisioning, 8 Gbps Fibre Channel and data dedupe for primary storage can change how you manage storage.
Virtual tape libraries in depth
by W. Curtis Preston
Virtual tape libraries (VTLs) have been a relatively easy way to replace traditional tape libraries, but as other disk backup targets emerged, many thought VTLs would disappear. Now, with added features such as dedupe, they can be an attractive alternative to other disk target systems.
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