Hp StorageWorks Scalable File Share Manuel d'utilisateur télécharger pdf (Page 16)

Figure 1-2 Server Pairs

Figure 1-2 shows typical wiring for server pairs.

1.3.1.1 Server Memory Requirements

The Lustre Operations Manual section 3.1.6 discusses memory requirements for SFS servers. These

should be regarded as minimum memory requirements. Additional memory greatly increases

the performance of the system. HP requires a minimum of 4 GB for MGS and MDS servers, and

minimum memory for OSS servers according to the following guidelines, based on the number

of OSTs connected to the OSS server pair, at a rate of 2 GB per OST:

• 8 GB:

— 2x [MSA2000fc + 1xJBOD] = 4xOSTs per OSS pair = 2xOST per OSS

• 16GB:

— 4x [MSA2000fc + 1xJBOD] = 8xOSTs per OSS pair = 4xOST per OSS

— 2x [MSA2000fc + 3xJBOD] = 8xOSTs per OSS pair = 4xOST per OSS

• 32 GB:

— 4x [MSA2000fc + 3xJBOD] = 16xOSTs per OSS pair = 8xOST per OSS

More memory for the servers increases performance and is recommended when budgets allow.

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Hp StorageWorks Scalable File Share Manuel d'utilisateur Page 16