Disk shelves are never connected to other ha pair s in the cluster.
Netapp sas cabling.
This page is dedicated to a few examples i ve put together in visio to highlight the correct sas and acp cabling combinations for netapp disk shelf cabling.
Qsfp to qsfp sas cables are used to connect disk shelves together and to connect disk shelves to the sas ports on the controller.
If you are using sas optical multimode om4 breakout cables with mini sas hd to lc connectors for patch panels the following.
The sas cabling rules regarding controller slot numbering rules shelf to shelf connection rules and controller to stack connection rules described in this guide are the same rules that apply to all sas disk shelves whether they have iom12 iom6 or iom3 modules.
Disk shelf cabling is always isolated within the ha pair that owns the disks.
Netapp disk shelf cabling examples.
However the information in this guide is specific to the unique characteristics of disk shelves with iom12 modules and.
Two types of controllers and two types of disk shelves are used in these examples.
The sas cable connectors are keyed.
Sas optical multimode aoc cables with mini sas hd to mini sas hd connectors can be used for controller to stack and shelf to shelf connections and are available in lengths up to 50 meters.
For disk shelves you insert a sas cable connector with the pull tab oriented down on the underside of the connector.