Release Notes
Dell PowerEdge R730xd Performance and Sizing Guide for Red Hat Ceph Storage - A Dell Red Hat Technical White Paper 3
Contents
Revisions .................................................................................................................................................................................................. 2
Glossary .................................................................................................................................................................................................. 4
Executive Summary ............................................................................................................................................................................... 5
1 Introduction .................................................................................................................................................................................... 6
2 Overview of Red Hat Ceph Storage ........................................................................................................................................ 10
2.1 Introduction to Ceph Storage Pools ............................................................................................................................. 12
2.2 Selecting a Storage Access Method .............................................................................................................................. 13
2.3 Selecting a Storage Protection Method .......................................................................................................................14
3 Test Setup and Methodology ....................................................................................................................................................16
3.1 Physical setup .....................................................................................................................................................................16
3.2 Hardware and Software Components ......................................................................................................................... 18
3.3 Deploying Red Hat Enterprise Linux (RHEL) ................................................................................................................ 21
3.4 Configuring the Dell PowerEdge Servers ..................................................................................................................... 21
3.5 Deploying Red Hat Ceph Storage .................................................................................................................................. 21
3.6 Performance Baselining .................................................................................................................................................. 22
3.7 Benchmarking with CBT ................................................................................................................................................. 24
4 Benchmark Test Results ............................................................................................................................................................. 29
4.1 Comparing Throughput/Server in Different Configurations .................................................................................. 30
4.2 Comparing Overall Solution Price/Performance ....................................................................................................... 31
4.3 Comparing Overall Solution Price/Capacity .............................................................................................................. 32
4.4 Comparing Server Throughput in Replication vs. Erasure-coded ........................................................................ 33
4.5 Comparing Server Throughput in JBOD and RAID0 modes .................................................................................. 34
5 Dell Server Recommendations for Ceph ............................................................................................................................... 35
6 Conclusions .................................................................................................................................................................................. 36
7 References .................................................................................................................................................................................... 37