A manual tape library mtl is an installationdefined set of tape drives and a customerdefined set of tape volumes with mount capability on those tape drives. By enabling virtualized hard drive space as a tape device, backup managers are able to integrate vtls with existing backup software and current backup and recovery processes and procedures. Andrew hancock vmware vexpert ee fellow vmware and virtualization consultant. The best of tape and disk backup by yosemite technologies, page 4 of 8. Virtual tape library is a piece of software which will emulate wired verity of tape libraries and tape drives. Vtls were an ideal dropin replacement where you wanted all benefits of having disk as the backup target while still using the tape heavy procedures built into. Virtual tape library hardware agnostic and commodity hardware starwind vtl uses commodity servers and faster and cheaper highcapacity hdd to emulate traditional tape hardware. Acting like a tape library with the performance of modern disk drives, data is deposited onto disk drives just as it would onto a tape library, only faster. Benefits of virtual tape systems include better backup and. Veeam 7 and iscsi virtual tape library disktape veeam. Pdf traditional tape backup systems have begun to wear out their welcomes in some businesses, which are turning to the virtual tape technologies.
A virtual tape library vtl enables the storage medium to be switched from tapes to disks while continuing to use the existing tape backup software. Physical libraries, standalone drives and virtual tape libraries. Veeam 7 and iscsi virtual tape library disktape post by veremin. Provide benchmarks supporting performance claims 3. Virtual tape library article about virtual tape library by. You can rescan a selected tape library to update its network status. Evolution of the virtual tape library vtls have been around a long time, as shown in figure 1. Apr 18, 2020 a virtual tape library vtl combines tape backup emulation software with hard disk architecture to provide a superior archival backup solution. Vtls were an ideal dropin replacement where you wanted all benefits of having disk as the backup target while still using the tapeheavy procedures built into. Highend virtual tape library systems can use more than 1,000 sata drives, offering hundreds of terabytes of raw storage, while emulating dozens of tape drives and thousands of tape cartridges, so they appear exactly like a tape library to many different backup software products. Added a hardware compression feature that uses a certified hardware accelerator board to save disk space by compressing files so that more data can be stored by a virtual tape drive. This support allows volumes to be associated with manual tape libraries so that only those volumes defined for a specific manual tape library can be mounted on drives in that library. A virtual tape library solution can perform 10times tape speeds for backups. Supported devices and configuration veeam backup guide for.
A virtual tape library vtl is a storage system consisting of hard disk drives hdds that looks and acts like a physical tape library. Backup streams are however written to and restored from disk. It is faster, more flexible, more robust, and more costeffective than tape backup. Vtl software, virtual tape library software, vtl, virtual tape library, tape library software definition. This book guides you through the configuration and usage of oracles storagetek. The virtual tape library system emulates the former magnetic tape devices and data formats, but performs much faster data backups and recovery. The robot control is a scsi medium changer device that appears as lun 1 on a bridged tape drive. A lot of factors go in to selecting the right size virtual tape library vtl for customers, such as the initial backup data set, daily change rate, retention period and data reduction rates from deduplication and compression. We have an hp msl2024 robotic library which contains 2 drives. The lto library appears to working well with tape jobs but sometime the tape discovery job start nearly the tape backup job and then both jobs stuck on 0% discovery job at 0%, backup job at starting new tape backup session. Virtual tape library vtl market size, share, growth.
Partitions of the physical or virtual tape libraries presented to the veeam backup server. The manual tape library provides this ability by recognizing the real underlying device type rather than the device type that is being emulated. A vtl presents a storage component as tape libraries or tape drives for use with. Virtual tape library user guidepreface this book guides you through the configuration and usage of oracle s storagetek vtl plus 2. Ibm tape library guide for open systems ibm redbooks. If i look at the license summary screen on the be server it shows that we have library expansion option. This opens up the attachment of zseries host to 3592 tape drives in the 3584 tape library through the 3592 tape controller model j70 and the 3494 vts. But backup streams are written to and restored from disk. Virtual tape library vtl market size, share, growth, trends. 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.
The solution must be certified to work with hps enterprise virtual array, and commvault, our enterprise backup software 4. A vtl presents a storage component usually hard disk storage as tape libraries or tape drives for use with existing backup software. Ibm totalstorage 3953 library manager model l05 and tape. Nov 04, 2016 a virtual tape library vtl is a diskbased backup system which appears to the backup host as a real tape library system. Since vtl uses disktodisk d2d backup, it is sometimes referred to as vtl d2d. How to add virtual tape library vtl to system center data. You must add tape to the library and mark it as free in order to prevent future backups from failing.
You can also rightclick the necessary library in the working area and select. A virtual tape library vtl is a data storage virtualization technology which is used for data backup and data archiving purposes. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Added qlogic multiid support for virtualtape library on red hat linux kernels 32bit version based on the 2. One such promising technology which is quickly gaining acceptance is the virtual tape library vtl. Virtual tape backup solutions can be used as a secondary backup stage on the way to tape, or. A virtual tape library vtl is a diskbased library that emulates the traditional tape devices and formats, and can be installed onto any disk space. Benefits of virtual tape systems include better backup and recovery times and lower operating costs. Virtual tape libraries white papers vtl software, virtual. The library shows the tape barcode, status, and size, amount of the tape used, and the gateway the tape is associated with. Refer to the manufacturers documentation to see if a diskbased storage subsystem supports vtl emulation mode. By defining these libraries, associating the media with these libraries and properly defining the sms constructs, the allocation of drives and the mounting of the appropriate media can be accomplished. Tapes for computers are similar to tapes used to store.
Tape library msl6000 series storage pdf manual download. Using disk arrays, one can potentially store up to a terabyte of data or more in a few largecapacity hard disks that take up little more room than a laptop. The virtual tape library works sequentially like tape and writes data to disk in tape format. Ibm tape library configuration free download as powerpoint presentation. With virtual tape, backups complete faster and more reliably, with little or no change. Because a vtl completely emulates a standard library, the introduction of virtual tape is seamless and transparent to existing tape backuprecovery applications. When tape was slow and backup windows were shrinking in mainframe datacenters three decades ago, somebody smart came up with the idea of frontending the tape system with a cache of disk drives. The following are just a few of the many vtl options available. Quadstor vtl introduction tape technology remains the most cost effective backup solution till date. A virtual tape library is also convenient in other ways. The solution provides better customer lifetime value and security by ensuring better protection through automated tape workflows and dr shipping to the cloud. This ensures that restores will be initiated quickly. Relative high capacity, removability, and long data retention all have kept magnetic tape media as the primary media for data backups and storage.
In this ibm redbooks publication we provide a detailed explanation of the new virtual tape support provided by i5os v5r4. Virtual tape library specifications searchdatabackup. You can also rightclick the necessary library in the working area and select rescan. Within a library partition, only one generation of lto drives are supported. A virtual tape device is a special hard drive file thats made available to your network that is normally used for file backup and recovery proposes. Using virtual tape libraries with veritas netbackup software 5 with no cost imposed when configuring additional vtl drives assuming the maximum allowable number of drives has not been reached virtual drives can be allocated specifically for restore operations. With integrated wanoptimized replication and physical tape.
A virtual tape library is a data storage virtualization technology used typically for backup and recovery purposes. Using virtual tape libraries with veritas netbackup software. Virtual tape libraries with the everrising amounts of data being produced, companies must utilize more efficient storage systems. The rise, fall, and rise, of virtual tape libraries. It cuts down the cost of backup and accelerates performance, because backup process takes less time, without overlapping with production. Virtual tape library vtl with deduplication storage. The virtual tape library solution disk to disk backup must provide sustained backup a nd restore throughput performance of at least 1tbhour 2. Follow our stepbystep process to make sure the vtl you recommend to customers is the right size. Quadstor is an open source virtual tape library vtl, it is a diskbased backup system which appears to the backup host as a real tape library system. Vtls were useful in a time when enterprise backup software packages really only revolved around tape libraries. Pdf hybrid raidtapelibrary storage system for backup.
We cover the concepts, planning, and use of virtual tape support. Ibm tape library configuration computer data storage. The vi5990l is focused on providing centralized management for local and remote tape resources that enables enterprisewide data management and security strategies for backup and archiving. Backup and recovery media services brms is an important program product for system i5 customers to enable management of their system and data backups. In recent years disk based backup gained popularity due to a drop in disk prices and due a lesser need for manual. You could use this cache as a virtual tape library. Virtual tape library introduction tape is not dead and never will be. The biggest advantage of a vtl over other disk based backup solutions is its seamless integration into an existing tape backup infrastructure. Virtual tape library vtl systems use disk storage to improve backup and restore processes, allowing many organizations to move from tape to disk. Nov 14, 2011 a virtual tape library vtl is physically a highly intelligent optimized diskbased storage appliance.
Since vtls emulate tape storage systems, organizations of all sizes can integrate diskbased backup into systems with tape based libraries relatively pain free. The number of free tapes in the library is less than or equals the threshold value of. The manual tape library provides more flexibility, enabling you to use various tape volumes in a given manual tape library. Virtual tape means that there is no physical tape to mount, thereby decreasing mount times dramatically, removing any physical restrictions on the number.
Open the tape infrastructure view select the libraries node in the inventory pane select a necessary library in the working area and click rescan library on the ribbon. Nov 07, 2016 a virtual tape library, or vtl, is a diskbased technology that emulates a tape library for backup and restore. Virtual tape library consists of a storage component generally a hard disk as tape libraries or tape drives for use with the existing backup software. When you have a large number of tapes in the library, the console supports searching for tapes by barcode, by status, or by both. There are a number of smaller companies as well as wellknown storage system vendors that offer virtual tape library systems for the largest enterprises down to small to midsized businesses smbs. I want to find wwn no for a particular tape device connected to san. Physically, it looks like a 5u rackbased expansion chassis full of disk units. Virtual tape technology the vi5990l virtual tape library is a diskbased storage system that transparently appears to the mainframe applications as standard 348034903590 tape drives. Using raid arrays that read the disks as a single large drive, the data is located in one place rather than spread among cartridges. It is an intelligent diskbased library that emulates traditional tape devices and tape formats. Read my previous post on open source virtual tape library for more information.
May 10, 2005 the totalstorage 3953 library manager model l05 brings the 3592 tape controller model j70 and the 3494 vts models b10 and b20 into the 3584 tape library world. The volumes can be physically stored in shelf storage located near the mtl, but since these volumes are specifically defined as residing in the mtl, they are known as libraryresident. Step by step installation of virtual tape libraryquadstor. The aws storage gateway service can be configured to act as a virtual tape library vtl that spans from your onpremises environment, where your production applications are, to the aws clouds highly scalable, redundant and durable storage services, amazon s3, amazon s3 glacier, and amazon s3 glacier deep archive. View and download hp tape library msl6000 series setting up online. Hi all, still struggling to get to grips with be2012, this time with tape library options.
Jun 16, 2006 virtual tape library a vtl, or virtual tape library, is an archival backup solution that combines traditional tape backup methodology with lowcost disk technology to create an optimized backup and recovery solution. With current tape technology, tape media have a lifetime of 30 years or more and therefor are the number one choice for data archival. Virtual tape library vtl for vendors looking to enhance tapecentric applications with seamless cloud and object storage support, we offer starwind virtual tape library vtl oem. Virtual tape is an archival storage technology that makes it possible to save data as if it were being stored on tape although it may actually be stored on hard disk or on another storage medium. A virtual tape library vtl is a technology for data backup and recovery that uses tape libraries or tape drives along with their existing software for backup. A decade of enhancing removable storage 26052 merit cir. Rescanning tape libraries veeam backup guide for hyperv. See virtual tape system and storage virtualization. Virtual tape library vtl systems use disk storage to improve backup and restore processes, allowing many organizations to move from tape to disk backups without disrupting current practices. Backup to disk as disk was nonexistant or severely lacking of features.
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