If you are using sas optical multimode om4 breakout cables with mini sas hd to lc connectors for patch panels the following.
Netapp sas cabling.
When oriented correctly into a sas port the connector clicks into place and if the disk shelf power is on at the time the disk shelf sas port lnk led illuminates green.
However the information in this guide is specific to the unique characteristics of disk shelves with iom12 modules and.
Netapp disk shelf cabling examples.
Disk shelves are never connected to other ha pair s in the cluster.
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.
For disk shelves you insert a sas cable connector with the pull tab oriented down on the underside of the connector.
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.
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.
Disk shelf cabling is always isolated within the ha pair that owns the disks.
Having a control path that is separate from the data path increases reliability and simplifies troubleshooting.
Two types of controllers and two types of disk shelves are used in these examples.