Connecting Enclosures - Huawei OceanStor T Series Quick Installation Manual

3c

Connecting enclosures

Connect expansion ports on the controller and disk enclosures to PRI ports on disk enclosures.
 Expansion ports on controller A must connect to PRI ports on expansion module A of the disk enclosure, whereas
expansion ports on controller B must connect to PRI ports on expansion module B of the disk enclosure.
Each SAS expansion port can be connected to a maximum of twelve disk enclosures, while SAS expansion port 0
on the controller enclosure (24 disks) can be connected to a maximum of 11 disk enclosures.
Scenario 1 Connecting ordinary disk enclosures
Controller
enclosure
Disk
enclosure 2
Expansion
module A
Expansion
module B
Disk
enclosure 1
12
Controller A
Controller B