White Papers

Dell HPC NFS Storage Solution High Availability Configurations with Large Capacities
v
Figures
Figure 1. Overview of the NSS-HA solution ........................................................................ 8
Figure 2. A failure scenario in NSS-HA ............................................................................. 9
Figure 3. NSS-HA architectural diagram ......................................................................... 10
Figure 4. NFS server configuration in NSS-HA ................................................................... 11
Figure 5. Steps to configure storage .............................................................................. 12
Figure 6. Storage and file system layout ......................................................................... 15
Figure 7. NSS-HA test bed .......................................................................................... 19
Figure 8. InfiniBand large sequential write performance ..................................................... 26
Figure 9. InfiniBand large sequential read performance ...................................................... 27
Figure 10. 10GbE large sequential write performance ......................................................... 28
Figure 11. 10GbE large sequential read performance .......................................................... 28
Figure 12. Single 10gbE client sequential performance ........................................................ 29
Figure 13. InfiniBand random write performance ............................................................... 30
Figure 14. InfiniBand random read performance ................................................................ 31
Figure 15. InfiniBand file create performance ................................................................... 32
Figure 16. InfiniBand file stat performance ...................................................................... 33
Figure 17. InfiniBand file remove performance .................................................................. 33
Figure 18. InfiniBand NFSv3 and NFSv4 file create performance ............................................. 34
Figure 19. InfiniBand NFSv3 and NFSv4 sequential performance ............................................. 35
Figure 20. InfiniBand NFSv3 and NFSv4 random performance ................................................. 35
Tables
Table 1. NSS-HA mechanisms to handle failures ............................................................... 13
Table 2. Sample storage capacities .............................................................................. 14
Table 3. New storage components in this release ............................................................. 16
Table 4. New server components in this release .............................................................. 17
Table 5. NSS-HA hardware configuration details .............................................................. 20
Table 6. NSS-HA software configuration details ............................................................... 21
Table 7. NSS-HA firmware and driver configuration details ................................................. 21
Table 8. NSS-HA client configuration details ................................................................... 22