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 18 - Create a New Cluster
7) On both servers, check that the cman service is running.
# service cman status
8) On both servers, check the cluster status:
# clustat
Cluster status should show both servers online. If the cluster is up and running, go on to the next step.
[root@active ~]# clustat
Cluster Status for NSS_HA_CLUSTER @ Wed Mar 2 17:36:36 2011
Member Status: Quorate
Member Name ID Status
------ ---- ---- ------
active 1 Online, Local
passive 2 Online
9) Re-set any HA LVM configuration that might have changed as a result of cluster packages installed
by luci.
On both servers, edit /etc/lvm/lvm.conf and set locking_type to be 1
Remake the initrd
# mkinitrd -f /boot/initrd-2.6.18-194.el5.img 2.6.18-194.el5