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Improving NFS Performance on HPC Clusters with Dell Fluid Cache for DAS

Tables

Table 1.

NFS server and storage hardware configuration ...................................................... 8

Table 2.

NFS server software and firmware configuration ..................................................... 9

Table 3.

Hardware configuration for DFC ....................................................................... 10

Table 4.

Software and firmware configuration for DFC ...................................................... 10

Table 5.

I/O cluster details ........................................................................................ 11

Figures

Figure 1.

NFS storage solution ....................................................................................... 7

Figure 2.

NFS server ................................................................................................... 8

Figure 3.

Test bed ................................................................................................... 12

Figure 4.

PCIe SSD health ........................................................................................... 15

Figure 5.

Large sequential write performance.................................................................. 18

Figure 6.

Large sequential read performance .................................................................. 18

Figure 7.

Random write performance ............................................................................ 19

Figure 8.

Random read performance ............................................................................. 20

Figure 9.

Metadata file create performance .................................................................... 21

Figure 10. Metadata file stat performance ....................................................................... 21

Figure 11. Metadata file remove performance ................................................................... 22

Figure 12. Cold-cache sequential reads ........................................................................... 23

Figure 13. Cold-cache random reads ............................................................................... 23

Figure 14. CacheIO-DiskIO on cold-cache reads .................................................................. 24

Figure 15. Solution cabling .......................................................................................... 28