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TechNote:
Virtual Tape Libraries
Sepaton Virtual Tape Libraries for D2D Backup
Sophisticated IT users are now asking for Virtual Tape Library backup capabilities, and InfraStor is now able to offer Sepaton's range of VTL appliances with capacities that scale from 4.8TB to multiple PetaBytes.
The Sepaton Virtual Tape Library (VTL) appliances provide all of the
benefits of a traditional backup system with the benefits of a
host-based D2D system, while removing the problems provided by each.
The Sepaton VTL offers IT administrators a familiar tape technology
interface without the frequent failures of tape-based backup jobs.
Based on Serial ATA Disk RAID: A Sepaton VTL emulates tape libraries and/or tape formats on disk. It includes the tape emulation server, the SATA RAID arrays, and a file system optimized for backups. The VTL can also provide the same media management (tape cataloging, media expiration etc.) capabilities that the administrator is used to, while most host-based D2D systems fail in this regard. There are no storage management tasks. Capacity is dynamically allocated as needed.
Integrated Appliance: Provided as a turnkey appliance, with an on-site support program included, the Sepaton VTL does not require changes in the backup software in use today. The VTL is configured and ready to install into the existing network environment. In most cases, backups should be possible within 30 minutes.
Issues of disk and file system compatibility, configuration, and security are not a concern for the IT administrator. When the backup job runs, it will deposit the data onto the VTL just as it would onto a tape library, only many times faster. More importantly, data restores will also be many times faster.
Content Aware Storage: Leveraging their content-aware storage capabilities, Sepaton VTL's also offer advanced capabilities, including remote site-to-site replication, content-based compression, synthetic full backups, and end-user access to backup data.
Virtual Tape -
Use it because a failure of a tape backup isn't just an "Oops!"…
It's a breach of your Risk Management policies and SLA's.
Backup Failures Eliminated: With the backup now being performed in a very short window, a simple migration of the backup data from disk to tape can be accomplished during regular business hours for off-site storage. Finally, backup processes that are data-centers' most failure-prone operations, can be "virtually" guaranteed to succeed.
The Business Case: The ROI is based on:
- The essential elimination of the costs of failure, including regulatory penalties
- The ability to guarantee fast, successful restoration of business critical data
- Reduced administrative overhead costs for backup processes
- Knowledge-worker productivity improvements
- Savings on tape handling
- Savings on outside tape storage and retrieval
- Reduced capital costs for tape drive and robotics upgrades
- Reduced tape hardware maintenance costs
Key Point Summary
Sepaton Virtual Tape Libraries:
- Scale in capacity to multiple PetaBytes
- Offer up to 10 times the throughput of tape.
- Can be partitioned with up to 256 logical drives and 64 logical libraries.
- Use a file system optimized for tape emulation.
- Use existing backup applications and appear logically as SCSI-attached tape libraries on a SAN.
- Offer advanced features such as remote replication, and content-based compression.
- Appliances require no storage management overhead. Capacity allocation is automatic, and dynamic.