IBM 3950 X6 Guía de usuario descargar pdf (Pagina 15)

IBM System x3950 X6 15

The following rules apply when building a server configuration with eXFlash DIMMs:

The 200 GB and 400 GB eXFlash DIMMs cannot be mixed.

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RAID 1 mirroring is provided by the eXFlash DIMM device driver.

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Performance memory mode must be selected. RAS (lockstep) memory mode is not supported.

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Only RDIMMs are supported by eXFlash DIMMs; LRDIMMs are not supported

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eXFlash DIMMs can only installed on the Compute Books in the lower half of the server (processors

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1-4)

The maximum quantities of eXFlash DIMMs are as follows:

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Four processors: 16 eXFlash DIMMs

Six processors: 24 eXFlash DIMMs

Eight processors: 32 eXFlash DIMMs

Internal storage

The server supports 1.8-inch solid-state drives in the IBM eXFlash SSD units and 2.5-inch SSDs and

HDDs. Drives are installed in the Storage Book. The x3950 X6 has two Storage Books. The Storage Book

supports the following configurations:

4x 2.5-inch hot-swap drive bays

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8x 2.5-inch hot-swap drive bays

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4x 2.5-inch hot-swap drive bays + 8x 1.8-inch hot-swap SSD bays

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8x 1.8-inch hot-swap SSD bays

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16x 1.8-inch hot-swap SSD bays

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The following figure shows these configurations.

Figure 6. Internal drive configurations

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IBM 3950 X6 Guía de usuario Pagina 15