Dell PowerEdge External Media System 753 Manuel - Sayfa 3
Sunucu Dell PowerEdge External Media System 753 için çevrimiçi göz atın veya pdf Manuel indirin. Dell PowerEdge External Media System 753 38 sayfaları. Statement of volatility
Ayrıca Dell PowerEdge External Media System 753 için: Başlangıç Kılavuzu (12 sayfalar), Manuel (29 sayfalar), Manuel Kullanım (16 sayfalar), Konfigürasyon (16 sayfalar), Manuel (10 sayfalar)
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Improving NFS Performance on HPC Clusters with Dell Fluid Cache for DAS
Contents
Executive Summary ....................................................................................................... 5
1.
Introduction ........................................................................................................... 6
1.1.
Dell Fluid Cache for DAS (direct-attached storage) ..................................................... 6
2.
Solution design and architecture.................................................................................. 6
2.1.
NFS storage solution (baseline) ............................................................................. 7
2.2.
Dell Fluid Cache for DAS based solution .................................................................. 9
2.3.
I/O clients test bed ......................................................................................... 10
2.4.
Solution tuning ............................................................................................... 12
2.4.1.
Storage .................................................................................................. 13
2.4.2.
NFS server .............................................................................................. 13
2.4.3.
Dell Fluid Cache for DAS ............................................................................. 14
2.5.
Tracking solution health and performance ............................................................. 14
2.5.1.
Server health and monitoring ....................................................................... 14
2.5.2.
Dell PowerEdge Express Flash PCIe SSD health and monitoring .............................. 14
2.5.3.
Dell Fluid Cache for DAS health and monitoring ................................................. 16
3.
Performance ........................................................................................................ 16
3.1.
Sequential writes and reads ............................................................................... 17
3.2.
Random writes and reads .................................................................................. 19
3.3.
Metadata tests ............................................................................................... 20
3.4.
Cold-cache tests ............................................................................................. 22
4.
Conclusion ........................................................................................................... 25
5.
References .......................................................................................................... 25
Appendix A: Step-by-step configuration of Dell Fluid Cache for NFS .......................................... 27
Hardware checklist and cabling .......................................................................... 27
NFS server set up ............................................................................................ 28
NFS server configuration and tuning ..................................................................... 29
Virtual disk configuration .................................................................................. 31
XFS and DFC configuration................................................................................. 33
Useful commands and references ........................................................................ 34
Performance tuning on clients ............................................................................ 34
Appendix B: Benchmarks and tests ................................................................................... 35
IOzone ......................................................................................................... 35
mdtest ......................................................................................................... 37
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