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Several factors determine the VTA’s performance in a particular environment.
The following are actual results achieved in the described user environment.
User Profile
|
Mainframe | 9672 | |
Operating System | VSE/ESA v2.6 | |
Dasd | Shark 100+ 3390-3 | |
Tape Manager | BIM EPIC |
Primary Backup Software Dr. D.
|
Real Tape | Virtual Tape Appliance (VTA) | |
24 3490E w/ACL, 2 ESCON channels | USI VTA, 128 virtual drives, 2 ESCON channels. | |
10,000 cartridges on 10 racks | 2TB SATA Raid | |
Appr. 600 sq. feet, raised floor space. | 6u on a 19 inch rack. |
Nightly Backups
|
70 jobs, 24 partitions | 70 jobs, 32 partitions | |
Duration 4.5 hrs | Duration 1.3 hrs | |
135 Cartridges | 70 virtual tape files, 67GB | |
Biggest file, 30 cartridges | Biggest file, 22GB |
Weekly Backups
|
84 jobs, 24 partitions | 84 jobs, 32 partitions | |
Duration 5.5 hrs (includes restore/reorgs) | Duration 1 hr. | |
150 Cartridges | 84 virtual tape files, 60GB |
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