- Virtual Tape Library Software
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- Virtual Tape Library Software Reviews
- Virtual Tape Library Vtl Software Sdk
Evolution Of The Virtual Tape Library VTLs have been around a long time, as shown in Figure 1. When tape was slow and backup windows were shrinking in mainframe datacenters three decades ago, somebody smart came up with the idea of 'front-ending' the tape system with a cache of disk drives. FalconStor is a modern, comprehensive, and easy-to-use data management software platform for your most demanding storage and data use cases. FalconStor is a modern, comprehensive, and easy-to-use data management software platform for your most demanding storage and data use cases. Virtual Tape Library (VTL) Data Mastery Platform (FDMP.
- What is a Virtual Tape Library? QUADStor VTL Introduction Tape technology remains the most cost effective backup solution till date. With current tape technology, tape media have a lifetime of 30 years or more and therefor are the number one choice for data archival. In recent years disk based backup gained popularity due to a drop in disk prices and due a lesser need for manual intervention.
- A virtual tape library (VTL) is a data storage virtualization technology used typically for backup and recovery purposes. A VTL presents a storage component (usually hard disk storage) as tape libraries or tape drives for use with existing backup software.
- The AWS Storage Gateway service can be configured to act as a Virtual Tape Library (VTL) that spans from your on-premises environment, where your production applications are, to the AWS cloud's highly scalable, redundant and durable storage services, Amazon S3, Amazon S3 Glacier, and Amazon S3 Glacier Deep Archive.
- Achieve low-cost tape archive that is encrypted for protection and managed by the local VTL software. Migrate virtual tapes to Amazon Web Services (AWS) S3 object storage and Hitachi Content Platform (HCP) for archive purposes in the cloud, and set up policies on virtual tape libraries to automatically migrate tape data when a tape is ejected.
Virtual Tape Library Software
A virtual tape library (VTL) is a data storagevirtualization technology used typically for backup and recovery purposes. A VTL presents a storage component (usually hard disk storage) as tape libraries or tape drives for use with existing backup software.
Virtualizing the disk storage as tape allows integration of VTLs with existing backup software and existing backup and recovery processes and policies. The benefits of such virtualization include storage consolidation and faster data restore processes. For most mainframe data centers, the storage capacity varies, however protecting its business and mission critical data is always vital.
Most current VTL solutions use SAS or SATAdisk arrays as the primary storage component due to their relatively low cost. The use of array enclosures increases the scalability of the solution by allowing the addition of more disk drives and enclosures to increase the storage capacity.
The shift to VTL also eliminates streaming problems that often impair efficiency in tape drives as disk technology does not rely on streaming and can write effectively regardless of data transfer speeds.
Virtual Tape Library Software Online
By backing up data to disks instead of tapes, VTL often increases performance of both backup and recovery operations. Restore processes are found to be faster than backup regardless of implementations. In some cases, the data stored on the VTL's disk array is exported to other media, such as physical tapes, for disaster recovery purposes (scheme called disk-to-disk-to-tape, or D2D2T).
Alternatively, most contemporary backup software products introduced also direct usage of the file system storage (especially network-attached storage, accessed through NFS and CIFS protocols over IP networks) not requiring a tape library emulation at all. They also often offer a disk staging feature: moving the data from disk to a physical tape for a long-term storage.
While a virtual tape library is very fast, the disk storage within is not designed to be removable, and does not usually involve physically removable external disk drives to be used for data archiving in place of tape. Since the disk storage is always connected to power and data sources and is never physically electrically isolated, it is vulnerable to potential damage and corruption due to nearby building or power grid lightning strikes.
- 1History
History[edit]
The first VTL solution was introduced by Cybernetics in 1992 under the name HSTC (high speed tape cache).[1] Later, IBM released a Virtual Tape Server (VTS) introduced in 1997. It was targeted for a mainframe market, where many legacy applications tend to use a lot of very short tape volumes. It used the ESCON interface, and acted as a disk cache for the IBM 3494 tape library. A competitive offering from StorageTek (acquired in 2005 by Sun Microsystems, then subsequently by Oracle Corporation) was known as Virtual Storage Manager (VSM) which leveraged the market dominant STK Powderhorn library as a back store. Each product line has been enhanced to support larger disk buffer capacities, FICON, and more recently (c. 2010) 'tapeless' disk-only environments.
Other offerings in the mainframe space are also 'tapeless'. DLm has been developed by EMC Corporation, while Luminex has gained popularity and wide acceptance by teaming with Data Domain to provide the benefits of data deduplication behind its Channel Gateway platform. With the consequent reduction in off-site replication bandwidth afforded by deduplication, it is possible and practical for this form of virtual tape to reduce recovery point objective time and recovery time objective to near zero (or instantaneous).
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Outside of the mainframe environment, tape drives and libraries mostly featured SCSI. Likewise, VTLs were developed supporting popular SCSI transport protocols such as [SCSI Parallel Interface|SPI]] (legacy systems), Fibre Channel, and iSCSI.
The FalconStor VTL is the foundation of nearly half of the products sold in the VTL market, according to an Enterprise Strategy Group analyst.[2]
In mid-2010s VTLs got a rebirth thanks to hi-capacity 'archive' drives from Seagate and HGST and more popular 'tape in cloud' and Disk-to-Disk-to-Tape (often in cloud) scenarios. [3]
Tape Virtualization to tape[edit]
In 2017, Consolitape LLC released the first virtual tape appliance using tape as a host medium.
See also[edit]
- Disk staging for an alternative approach
References[edit]
- ^'History of VTL/IBM'.
- ^'InfoStor ESG Report on FalconStor Virtual Tape Library'.
- ^'The Rise, Fall, and Rise, of Virtual Tape Libraries'.
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Virtual_tape_library&oldid=919953984'
VTL Features
Cloud Storage Support
StarWind VTL transparently extends existing on-premises backup storage pools to Azure, AWS or other public cloud storage services. This serves two purposes. First, organizations can transparently scale up storage capacity without purchasing any extra hardware. Second, public cloud storage offers the most appealing $/GB rate for long-term data archival.
On-premises S3 Object Storage Support
Virtual Tape Library Software Reviews
StarWind VTL dramatically simplifies storage management for organizations by interconnecting isolated storage silos. It allows using any industry-standard object storage arrays to expand the local storage pools. This way VTL unifies storage management and automates organization’s data flow between primary backup storage, on-premises object storage, and public cloud storage.
Ransomware Protection
Ransomware can't encrypt tape libraries so virtual tape is a safer backup repository compared to NAS or SAN. Additional copies in Amazon S3 and Glacier deliver complete data security even if the entire on-premises infrastructure is compromised.
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StarWind Web-based Management
StarWind Web-based Management provides system administrators with the ability to access and manage their StarWind storage infrastructure via HTML5 web console from any location. This functionality delivers full control over storage-related operations from PC, Android, iOS or Windows mobile devices.
Learn more Scale-Up and Scale-Out
Virtual Tape Library Vtl Software Sdk
StarWind VTL allows both scale-up and scale-out architectures. Capacity is transparently increased by local object storage and public cloud storage. Adding more VTL instances scales the performance and shrinks the backup window by running multiple parallel backup operations.
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