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SSDSC1NB240G401, SSDSC2BB600G401 manual
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Dec
ember 2013
329903
-
001US
Intel
S
SD DC S3500 Series
Workload
Characterization
in RAID Configurations
White Paper
Contents
Main
Intel SSD DC S3500 Series Workload Characterization in RAID Configurations
White Paper
Intel
SSD DC S3500 Workload Characterization in RAID Configurations
White Paper December 2013 2 329903-001US
Contents
Tables
Figures
1.0 Revision History
2.0 Supporting Documentation
3.0 About This Guide
4.0 Overview
4.1 What Impacts SSD IO Performance
As randomness increases, IOPS decreases, and latency increases.
4.2 Queue Depth and Latency
4.3 Why Mixed Workload Is Important
4.4 Drive Endurance
4.5 Selection of RAID Controller
5.0 RAID 1
5.1 Test System Specifications
5.2 Intel SSD DC S3500 Series in RAID 1 Performance Characterization Data
Figure 1. RAID 1 Random 100% Write @ 4KB Transfer Size with Average Latency
Figure 2. RAID 1 Random 70% Read @ 4KB Transfer Size with Average Latency
Figure 3. RAID 1 Random 90% Read @ 4KB Transfer Size with Average Latency
Figure 4. RAID 1 Random 100% Read @ 4KB transfer size with Average Latency
5.3 RAID 1 Consistency
Figure 5. RAID 1 Maximum Latency for 2-drive and 8-drive Configurations
5.4 RAID 1 Performance Conclusions
6.0 RAID 5
6.1 Test System Specifications
6.2 Intel SSD DC S3500 Series in RAID 5 Performance Characterization Data
Figure 6. RAID 5 Random 100% Write @ 4KB Transfer Size with Average Latency
Figure 7. RAID 5 Random 70% Read @ 4KB Transfer Size with Average Latency
Figure 8. RAID 5 Random 90% Read @ 4KB Transfer Size with Average Latency
Figure 9. RAID 5 Random 100% Read @ 4KB Transfer Size with Average Latency
6.3 RAID 5 Consistency
Figure 10. RAID 5 Maximum Latency for 3-drive and 8-drive Configurations
6.4 RAID 5 Performance Conclusions
7.0 Summary
8.0 Appendix
8.1 RAID Levels
