Powervault md3620i iscsi storage arrays, Powervault md3620i storage tuning, Figure 3 – Dell POWEREDGE R720 User Manual
Page 9: Cabling diagram for single server configuration
Microsoft SQL Server 2012 Fast Track Reference Configurations using PowerEdge R720 and PowerVault MD3620i
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PowerVault MD3620i iSCSI storage arrays
PowerVault MD3620i storage arrays support 2.5 inch 6Gbps SAS disks, which enable better backend
performance. MD3620i supports up to two controllers. Each controller has two 10GbE host side ports
and one SAS out port, which is used to connect to any additional expansion enclosures. Each RAID
controller module contains 2GB of cache that is mirrored with the other controller's cache for high
availability and protected by a battery-powered cache offload mechanism.
Dell PowerVault MD3620i storage comes with its own Device Specific Module (DSM) software, included
in the MD3620i’s Resource DVD, which is fully integrated with Microsoft MPIO and helps you configure
multipath solutions.
Figure 3 depicts how the cables are connected in the configuration.
Cabling diagram for single server configuration
Figure 3.
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Reference architecture configuration tuning details
This section explains best practices and tuning guidelines to achieve the best performance using the
discussed reference architectures.
PowerVault MD3620i storage tuning
The following modifications are needed to optimize the storage for maximum sequential throughput:
• Enable Jumbo Frames on all storage iSCSI host ports
• Enable High Performance Tier feature on MD3620i