topic Load balancing for SAS shelves? in ONTAP Discussions https://community.netapp.com/t5/ONTAP-Discussions/Load-balancing-for-SAS-shelves/m-p/40783#M9679 <HTML><HEAD></HEAD><BODY><P>I noticed that for SAS shelves load balancing is done per-shelf, as opposed to per-disk for DS14 (i.e. all disks in one shelf are shown as having the same primary port). Just wanted to confirm - is it by design? This is with 8.0.2P6 7-Mode.</P></BODY></HTML> Thu, 05 Jun 2025 06:29:28 GMT aborzenkov 2025-06-05T06:29:28Z Load balancing for SAS shelves? https://community.netapp.com/t5/ONTAP-Discussions/Load-balancing-for-SAS-shelves/m-p/40783#M9679 <HTML><HEAD></HEAD><BODY><P>I noticed that for SAS shelves load balancing is done per-shelf, as opposed to per-disk for DS14 (i.e. all disks in one shelf are shown as having the same primary port). Just wanted to confirm - is it by design? This is with 8.0.2P6 7-Mode.</P></BODY></HTML> Thu, 05 Jun 2025 06:29:28 GMT https://community.netapp.com/t5/ONTAP-Discussions/Load-balancing-for-SAS-shelves/m-p/40783#M9679 aborzenkov 2025-06-05T06:29:28Z Re: Load balancing for SAS shelves? https://community.netapp.com/t5/ONTAP-Discussions/Load-balancing-for-SAS-shelves/m-p/40787#M9680 <HTML><HEAD></HEAD><BODY><P>I haven't looked to see but usually just look to see that there are two separate paths.&nbsp; I'll take a look closer on the next install or head swap with both types of shelves.&nbsp; With both paths active it might just be a reporting thing but maybe Jay can post on here how it is handled is storage show disk -p.&nbsp; </P><P></P><P>I also noticed yesterday also that disk assign -n 12 with a SAS shelf will assign 2 drives next to each other at a time (1-2, 5-6, 9-10, etc) instead of 12 contiguous drives (1-12).</P></BODY></HTML> Tue, 17 Apr 2012 15:33:25 GMT https://community.netapp.com/t5/ONTAP-Discussions/Load-balancing-for-SAS-shelves/m-p/40787#M9680 scottgelb 2012-04-17T15:33:25Z