Save and restore rates, User mix concurrent runs, 1 tb/hr – Intel AS/400 RISC Server User Manual
Page 252
15.9.4 User Mix Concurrent
User Mix will generally portray a fair population of customer systems, where the real data is a mixture of
programs, menus, commands along with their database files. The new ultra tape drives are in their glory
when streaming large file data, but a lot of other factors play a part when saving and restoring multiple
smaller objects.
380
GB/HR
358
GB/HR
333
GB/HR
321
GB/HR
290
GB/HR
277
GB/HR
231
GB/HR
213
GB/HR
176
GB/HR
150
GB/HR
135
GB/HR
69
GB/HR
R
1010
GB/HR
995
GB/HR
965
GB/HR
932
GB/HR
858
GB/HR
782
GB/HR
699
GB/HR
627
GB/HR
504
GB/HR
399
GB/HR
272
GB/HR
140
GB/HR
S
12 GB total
Library size
workload
was used
for
modeling
this, as
described in
section
15.3
12
11
10
9
8
7
6
5
4
3
2
1
# 3580.002
Tape drives
Table 15.9.4.1 iV5R2 16 - 3580.002 Fiber Channel Tape Device Measurements (Concurrent)
(Save = S, & Restore = R)
IBM i 6.1 Performance Capabilities Reference - January/April 2008
©
Copyright IBM Corp. 2008
Chapter 15. Save/Restore Performance
252
1 TB/HR
1
2
3
4
5
6
7
8
9
10
11
12
# 3580 model 002 Tape Drives
0
200
400
600
800
1000
1200
GB/HR
Save
Restore
Save and Restore Rates
User Mix Concurrent Runs