Administrator Guide

Appendix A Storage array cabling
26 Dell EMC Ready Solutions for HPC BeeGFS High Capacity Storage | ID 424
A Appendix A Storage array cabling
This section presents how the metadata and storage servers are cabled to the PowerVault ME storage array.
A.1 ME4024 cabling
Table 5 shows the 12 Gb/s SAS cable connections between the MDS pair and one ME4024 that hosts the
MDTs.
Cabling metadata servers to the ME4024 array
Server SAS PCI slot SAS port ME4024 controller ME4024 controller port
metaA
Slot 1
Port 0
Controller 0
Port 3
metaA
Slot 4
Port 0
Controller 1
Port 1
metaB
Slot 1
Port 0
Controller 0
Port 1
metaB
Slot 4
Port 0
Controller 1
Port 3
Figure 12 illustrates the storage cabling with one port on each SAS controller connected to one storage array
RAID controller. This provides redundancy for the SAS controllers as well as at the RAID controllers
Cabling metadata servers to the ME4024 storage array
A.1.1 ME4084 cabling
This section shows the storage cabling for the three base configurations, small, medium and large.
Small configuration
RAID Controller 0
RAID Controller 1
R740 (metaA)
Slot 1
Slot 4
Port 0 Port 1 Port 0
Port 1
R740 (metaB)
SAS HBA SAS HBA
Port 0 Port 1
Port 0 Port 1
ME4024
3 SAS IN 2
1 SAS IN 0
3 SAS IN 2 1 SAS IN 0
SAS HBA
SAS HBA
Slot 1
Slot 4