1. Tim Feldman
Technologist
Product Development
@timfoon
OpenStack Icehouse Design Summit
November 2013

2. Agenda
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3. Workload Generation, Tracing and Analysis
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4. Detailed look a 3 of 60 drives
disk
s2b1/sdn
(low)
s3b1/sdd
(ave)
s3b1/sdp
(high)
trace duration [minutes]
29.2
29.1
29.1
command rate [IOPS]
37.4
52.5
57.9
data transferred [GB]
20.8
23.6
25.9
data throughput [MB/s]
11.9
13.5
14.8

5. swift-bench 20-MiB objects
Sequential Run Counts and Data Transfer Counts by Sequential Run Size
100%
90%
80%
high seq'l run count
90% of the disk ops
move 1% of the data
med. seq'l run count
low seq'l run count
high data xfer count
60%
50%
40%
med. data xfer count
30%
low data xfer count
20%
10%
0.1
1
10
100
1000
Sequential Run Length [KiB]
10000
0%
100000
Cumulative Portion
70%

6. swift-bench 20-MiB objects
Sequential Run Counts and Data Transfer Counts by Sequential Run Size
100%
90%
80%
60%
high seq'l run count
med. seq'l run count
50%
low seq'l run count
high data xfer count
40%
med. data xfer count
30%
low data xfer count
20%
10%
0.1
1
10
100
1000
Sequential Run Length [KiB]
10000
0%
100000
Cumulative Portion
70%

7. When, where and how big

8. A new open storage platform

9. Disintermediated Hardware and Software

10. Disintermediate
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11. Disaggregated Storage

12. Disaggregate
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13. Seagate’s Kinetic Open Storage
Platform

14. SAS
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versus
Kinetic Open Storage
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15. Kinetic
Device
Functional
Model

16. Kinetic Open Storage API
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Partition
Collection
Name
Chunk id

17. Kinetic Open Storage API
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18. Kinetic Open Storage API
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19. Kinetic Open Storage API
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20. Kinetic Open Storage API
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21. Kinetic Open Storage API
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22. Kinetic-Swift In Action
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23. Kinetic-Swift Topology

24. Kinetic Open Storage Platform