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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options="noatime,allocsize=1g,nobarrier,inode64,logbsize=262144,wsyn
c" self_fence="0"/>
Reference https://bugzilla.redhat.com/show_bug.cgi?id=636554
- Check that the fence device for the iDRAC has the cmd_prompt parameter filed in and the
secure parameter set to 1 for both iDRAC devices.
<fencedevice agent="fence_drac5" cmd_prompt="admin1->"
ipaddr="15.15.10.201" login="root" name="15.15.10.201"
passwd="calvin" secure="1"/>
References https://bugzilla.redhat.com/show_bug.cgi?id=577913
https://bugzilla.redhat.com/show_bug.cgi?id=496749
http://linux.dell.com/wiki/index.php/Products/HA/DellRedHatHALinuxCluster/Cluster#Co
nfigure_iDRAC6_Fencing
b) Now increment the version number by one and propagate changes to all nodes.
ccs_tool update /etc/cluster/cluster.conf
Alternately, an updated version of the luci rpm can be used that incorporates these fixes.
luci rpm version : luci-0.12.2-24.el5_6.1.x86_64.rpm
Reference: http://rhn.redhat.com/errata/RHBA-2011-0033.html
Figure 19 - Cluster Resources