Dell PowerEdge External Media System 753 Посібник - Сторінка 3
Переглянути онлайн або завантажити pdf Посібник для Сервер Dell PowerEdge External Media System 753. Dell PowerEdge External Media System 753 38 сторінок. Statement of volatility
Також для Dell PowerEdge External Media System 753: Посібник для початківців (12 сторінок), Посібник (29 сторінок), Посібник з використання (16 сторінок), Конфігурація (16 сторінок), Посібник (10 сторінок)
Друкувати сторінку
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
3