SAS port usage and status

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

SAS port usage

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)
FlashSystem 7200
  1. Wide port for attachment to an expansion enclosure
  2. For future use
  3. Wide port for attachment to an expansion enclosure
  4. For future use

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).