Dell DD and PowerProtect Hardware 8.0 Features and Specifications

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I/O modules

I/O module slot numbering

The eight I/O module slots are enumerated as Slot 0 (on the left when viewed from the rear) through Slot 7. Ports on an I/O module are enumerated as 0 through 3, with 0 being on the bottom.

Figure 1. I/O module slot numbering
I/O module slot numbering
  • 1. Slot 0
  • 2. Slot 1
  • 3. Slot 2
  • 4. Slot 3
  • 5. Slot 4
  • 6. Slot 5
  • 7. Slot 6
  • 8. Slot 7

I/O modules are only supported in fixed configurations. The fixed configurations define the exact slots into which the I/O modules may be inserted. The processors directly drive the eight I/O module slots, meaning all slots are full performance.

The non-optional SAS, NVRAM, and 10GBaseT I/O modules are allocated to fixed slots. The optional Host Interface I/O modules are used for front end networking and Fibre Channel connections. The quantity and type of these I/O modules is customizable, and there are many valid configurations.

slot map

I/O module slots 3–6 contain optional Host Interface I/O modules and can contain specific I/O modules or no I/O modules at all. Slot 0, Slot 1, Slot 2, and Slot 7 are populated with the required I/O modules and are not optional.

Table 1. I/O module slot mapping
Tier Slot 0 Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7
DLH NVRAM 8g Model 3Quad Port 10 GBase-TQuad Port 6 Gbps SASQuad Port 10GbE SR, Quad Port 10 GBase-T, or Dual Port 16 Gbps Fibre ChannelQuad Port 10GbE SR, Quad Port 10 GBase-T, or Dual Port 16 Gbps Fibre ChannelQuad Port 10GbE SR, Quad Port 10 GBase-T, or Dual Port 16 Gbps Fibre ChannelQuad Port 10GbE SR, Quad Port 10 GBase-T, or Dual Port 16 Gbps Fibre ChannelQuad Port 6 Gbps SAS
DLH Extended Retention/DD Cloud Tier
DLH High Availability NVRAM 8g Model 3Quad Port 10 GBase-T for HA interconnect Quad Port 6 Gbps SASQuad Port 10GbE SR, Quad Port 10 GBase-T, or Dual Port 16 Gbps Fibre ChannelQuad Port 10GbE SR, Quad Port 10 GBase-T, or Dual Port 16 Gbps Fibre ChannelQuad Port 10GbE SR, Quad Port 10 GBase-T, or Dual Port 16 Gbps Fibre ChannelQuad Port 10GbE SR, Quad Port 10 GBase-T, or Dual Port 16 Gbps Fibre ChannelQuad Port 6 Gbps SAS

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