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Dell HPC NFS Storage Solution High Availability Configurations with Large Capacities
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Appendix A: NSS-HA Recipe (Updated May 2012)
Contents
A.1. Pre-install preparation ..................................................................................... 39
A.1.1. NSS-HA cluster specification ........................................................................ 40
A.1.2. Checklist ................................................................................................ 42
A.2. Server hardware setup ..................................................................................... 43
A.2.1. Checklist ................................................................................................ 44
A.3. Server software configuration ............................................................................ 45
A.3.1. Install RHEL 6.1, configure swap disks, and install XFS packages. ........................... 45
A.3.2. Configure Multipath................................................................................... 46
A.3.3. Install Mellanox OFED package and set network IPs ............................................ 48
A.3.4. Install Operating system and storage management tools ...................................... 49
A.3.5. Network security setting ............................................................................. 50
A.3.6. Configure startup services. .......................................................................... 51
A.3.7. Configure fence devices ............................................................................. 51
A.3.8. Checklist ................................................................................................ 53
A.4. Performance tuning on the server ....................................................................... 54
A.4.1. Checklist ................................................................................................ 55
A.5. Storage hardware setup .................................................................................... 56
A.6. Storage configuration....................................................................................... 59
A.6.1. Checklist ................................................................................................ 61
A.7. NSS HA cluster setup........................................................................................ 62
A.7.1. Prepare ................................................................................................. 62
A.7.2. Create HA cluster ..................................................................................... 63
A.7.3. Verification ............................................................................................. 65
A.8. Quick test of HA setup ..................................................................................... 68
A.9. Useful commands and references ........................................................................ 69
A.9.1. Manually modify cluster configuration file ....................................................... 69
A.9.2. Manually stop, disable, start and relocate the cluster service ............................... 69
A.9.3. Debug HA cluster configuration .................................................................... 70
A.9.4. Remove a node from HA cluster .................................................................... 70
A.9.5. Configure the shared storage array manually .................................................... 71
A.10. Performance tuning on clients ......................................................................... 74
A.11. Scripts ...................................................................................................... 75
- Xin Chen, Garima Kochhar 1
- Dell HPC Engineering 1
- Version 2.1, May 2012 1
- Contents 3
- Figures 5
- Introduction 1 7
- NSS-HA solution review 7
- 2.1. Availability in NSS-HA 9
- NSS-HA architecture 3 10
- 3.1. Storage in NSS-HA 11
- Figure 5 12
- Table 1 13
- 4.1. Storage density 14
- 4.2. Storage configuration 15
- 4.5. Summary of changes 16
- Evaluation 5 17
- 5.2. Test bed 18
- NSS-HA test bed Figure 7 19
- 5.3. Tuning options 22
- 5.4. Functionality tests 23
- Performance tests 6 25
- Throughput in MB/s 26
- Throughput: MB/sec 28
- IB Random Write Performance 30
- IB Random Read Performance 31
- IB File Create Performance 32
- IB File Stat Performance 33
- IB File Remove Performance 33
- Conclusion 7 36
- References 8 37
- A.1.2. Checklist 42
- A.2. Server hardware setup 43
- A.2.1. Checklist 44
- -3.0.4-2.el6.x86_64.rpm 45
- A.3.2. Configure Multipath 46
- A.3.8. Checklist 53
- A.4.1. Checklist 55
- A.5. Storage hardware setup 56
- Port 0 Port 1 Port 0 Port 1 57
- A.6. Storage configuration 59
- A.6.1. Checklist 61
- A.7. NSS HA cluster setup 62
- A.7.2. Create HA cluster 63
- A.7.3. Verification 65
- A.8. Quick test of HA setup 68
- A.11. Scripts 75
- B.1. IOzone 76
- B.2. mdtest 78
- B.3. Checkstream 79
- B.4. dd 80
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