White Papers
Table Of Contents
- Executive Summary (updated May 2011)
- 1. Introduction
- 2. Dell NFS Storage Solution Technical Overview
- 3. NFS Storage Solution with High Availability
- 4. Evaluation
- 5. Performance Benchmark Results (updated May 2011)
- 6. Comparison of the NSS Solution Offerings
- 7. Conclusion
- 8. References
- Appendix A: NSS-HA Recipe (updated May 2011)
- A.1. Pre-install preparation
- A.2. Server side hardware set-up
- A.3. Initial software configuration on each PowerEdge R710
- A.4. Performance tuning on the server
- A.5. Storage hardware set-up
- A.6. Storage Configuration
- A.7. NSS HA Cluster setup
- A.8. Quick test of HA set-up
- A.9. Useful commands and references
- A.10. Performance tuning on clients (updated May 2011)
- A.11. Example scripts and configuration files
- Appendix B: Medium to Large Configuration Upgrade
- Appendix C: Benchmarks and Test Tools
Dell HPC NFS Storage Solution - High Availability Configurations
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Figure 17 - IPoIB File Remove Performance
6. Comparison of the NSS Solution Offerings
This document describes a method to build on the existing non-HA NFS Storage Solution offered by
Dell to provide High Availability features. Addition of the HA feature changes a few solution
components. Table 6 and
Table
7 summarize the differences and similarities between the HA and non-HA NSS configurations.
Table 6 - Comparison of Hardware Components
HARDWARE
COMPONENT
NSS without HA NSS with HA
Available Solution
Configurations
Small 20TB, Medium 40TB and Large
80TB
Medium 40TB and Large 80TB
Storage One, two or four MD1200s One MD3200; One or three MD1200s
Server Single PowerEdge R710 Two PowerEdge R710s
HBA for storage
connectivity
One or two PERC H800 cards One SAS 6Gbps card
Systems Management iDRAC enterprise optional iDRAC enterprise mandatory
Server Power Supply
Units (PSU)
Two power supply optional Two power supplies mandatory
PDUs Switched rack PDU optional Two switched rack PDUs mandatory
Private network No private network Gigabit Ethernet switch for private
0
5000
10000
15000
20000
25000
30000
35000
1 2 4 8 16 32 48 64
Number of remove() per sec
Number of clients
IPoIB File Remove Performance
Large Medium