Configuration settings for MSA2000 systems

The MSA2000 System Storage® Management Utility (SMU) provides configuration settings and options that can be used with SAN Volume Controller clusters.

Target port options

Table 1 describes the port settings that are supported by the SAN Volume Controller.

Table 1. MSA2000 system port settings for use with the SAN Volume Controller
Option	Values (any limits on the possible values)	Description
Host Port Configuration	2 Gbps or 4 Gbps	Set according to the fabric speed.
Internal Host Port Interconnect	Straight-through	Set to Straight-through for a point-to-point fibre-channel connection.
Host Port Configuration	Point-to-Point	Set to Point-to-point for use with SAN Volume Controller.

LU options and settings

The MSA volumes can be created after you create a virtual disk (VDisk) (RAID 0 is not supported) or later added to the VDisk. LUNs can be configured in 16K, 32K, and 64K (default) chunks by using the advanced option. Table 2 describes the preferred options available when you create a logical unit (LU).

Table 2. Preferred options for logical units (LU)
Option	Value	Description
Expose to All Hosts	Yes	After the mapping of the volume to the SAN Volume Controller completes, this is modified to All other hosts (none no access). This can be done under the Assign Host Access Privileges frame.
Automatically assign LUNs	Yes	This forces option expose to all hosts and is necessary for consistent LUN numbering.
write-policy	write-back
optimization	any
read-ahead-size	default
independent	disable	This setting controls cache mirroring. Because SAN Volume Controller requires mirroring, the independent=disable option must be used.

Host options and settings for MSA2000 systems

There is no specific host option to present the MSA2000 systems to SAN Volume Controller clusters. Use Microsoft® Windows® 2003 (Microsoft Windows 2003) as the host setting for SAN Volume Controller.