SAS port usage

Planning during the product placement phase includes considering the specific use of each SAS port.

Table 1 lists the supported functions of the individual ports on the system.

Table 1. SAS port usage
Node type	SAS ports (in numerical order)
SAN Volume Controller (DH8 and SV1)	Wide port for attachment to an expansion enclosure For future use Wide port for attachment to an expansion enclosure For future use

Note: SAS port 1 is always the leftmost port no matter in which PCIe slot the SAS adapter is inserted.

Status Reporting

The lsportsas command displays two attributes for each SAS port:

Attachment: what currently is attached to the port (values: none/host/enclosure).
Type: what the port can be attached to (values: host/enclosure).