Ampere_Arm_Processors_for_Ceph_WP_v1_00_20230222_1_fcd19200fb.pdf
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Ampere® Arm® Processors for Ceph White Paper
Ampere Computing Proprietary and Confidential
AMP 2023-0015
Ampere® Altra® Family 64-Bit Multi-Core Processors
Ampere® Arm® Processors for Ceph White Paper
February 22, 2023
Document Issue 1.00
Ampere® Arm® Processors for Ceph White Paper
Document Issue 1.00
Ampere Computing Proprietary and Confidential
2
Contents
1. Executive Summary ................................................................................................................................................................. 6
1.1 Scope and Audience ........................................................................................................................................................ 6
2. Ceph Architecture Overview ................................................................................................................................................... 7
2.1 Ceph Components ........................................................................................................................................................... 7
2.2 Design Considerations for Ceph ...................................................................................................................................... 8
3. Ampere Tests and Validation of Ceph ..................................................................................................................................... 9
3.1 Ampere Test Bed Architecture and BOM ....................................................................................................................... 9
3.2 Hardware Components ................................................................................................................................................... 9
3.3 Software Components................................................................................................................................................... 10
3.4 Supermicro Servers ....................................................................................................................................................... 10
3.5 KIOXIA CD8 NVMes ........................................................................................................................................................ 10
3.6 Pre-Installation Checks and Best Practices ................................................................................................................... 10
3.6.1 BIOS Changes ........................................................................................................................................................ 10
3.6.2 System Memory .................................................................................................................................................... 10
3.6.3 PCIe Bifurcation ..................................................................................................................................................... 10
3.6.4 Network Interface Cards (NICs) ............................................................................................................................ 10
3.6.5 Sysctl ...................................................................................................................................................................... 11
3.6.6 MTU Settings for Cluster Network ........................................................................................................................ 11
3.6.7 Bandwidth Check Between Servers and Clients ................................................................................................... 11
3.6.8 OSD Disks ............................................................................................................................................................... 11
3.6.9 Run Baseline Tests on Disks .................................................................................................................................. 11
3.6.10 FIO (Flexible I/O) for Arm ...................................................................................................................................... 11
4. Ceph Installation .................................................................................................................................................................... 12
5. Performance Testing ............................................................................................................................................................. 13
5.1 Block Storage Tests ....................................................................................................................................................... 13
5.1.1 Single FIO Process on Cluster ................................................................................................................................ 13
5.1.2 Multiple FIO Processes on Cluster ........................................................................................................................ 14
5.2 Object Storage Tests ..................................................................................................................................................... 14
5.2.1 Summary ............................................................................................................................................................... 15
6. Continuous OSD Stress Tests ................................................................................................................................................. 16
6.1 Summary ....................................................................................................................................................................... 16
7. Interoperability tests Heterogeneous CPU Topology ........................................................................................................ 17
8. Power Consumption .............................................................................................................................................................. 18
8.1 Power Consumption: Four-node Cluster with Ampere Processors .............................................................................. 18
8.1.1 Summary ............................................................................................................................................................... 18
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