https://community.netapp.com/t5/ONTAP-Hardware/can-I-hot-add-DS4246-shelf-to-a-existing-FAS2720-with-a-DS212C-shelf/m-p/468155#M12175 <P>Hello,</P><P>&nbsp; &nbsp; &nbsp; as per this document(<A href="https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_cable_an_IOM12E_platform_with_IOM6_and_IOM12_storage_shelves_in_Multi-Path_HA" target="_blank">https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_cable_an_IOM12E_platform_with_IOM6_and_IOM12_storage_shelves_in_Multi-Path_HA</A> ), FAS2720 with embedded shelf need meet strict rule when using a mix IOM6 &amp; IOM12 stack. The above document only states that a new cabling installation is permitted. Is it possible to hot-add a DS4246 to FAS2720 with a DS212C in a stack?(refer to the cabling figure below) I didn't find the document about. Please advise, thanks a lot.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="cabling.png" style="width: 400px;"><img src="https://community.netapp.com/t5/image/serverpage/image-id/34027iDFCB2F4B3A4B76C9/image-size/medium?v=v2&amp;px=400" role="button" title="cabling.png" alt="cabling.png" /></span></P><P> </P><P>&nbsp;</P><P>&nbsp;</P> Wed, 15 Jul 2026 17:12:32 GMT Daniel_66 2026-07-15T17:12:32Z https://community.netapp.com/t5/ONTAP-Hardware/can-I-hot-add-DS4246-shelf-to-a-existing-FAS2720-with-a-DS212C-shelf/m-p/468155#M12175 <P>Hello,</P><P>&nbsp; &nbsp; &nbsp; as per this document(<A href="https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_cable_an_IOM12E_platform_with_IOM6_and_IOM12_storage_shelves_in_Multi-Path_HA" target="_blank">https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_cable_an_IOM12E_platform_with_IOM6_and_IOM12_storage_shelves_in_Multi-Path_HA</A> ), FAS2720 with embedded shelf need meet strict rule when using a mix IOM6 &amp; IOM12 stack. The above document only states that a new cabling installation is permitted. Is it possible to hot-add a DS4246 to FAS2720 with a DS212C in a stack?(refer to the cabling figure below) I didn't find the document about. Please advise, thanks a lot.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="cabling.png" style="width: 400px;"><img src="https://community.netapp.com/t5/image/serverpage/image-id/34027iDFCB2F4B3A4B76C9/image-size/medium?v=v2&amp;px=400" role="button" title="cabling.png" alt="cabling.png" /></span></P><P> </P><P>&nbsp;</P><P>&nbsp;</P> Wed, 15 Jul 2026 17:12:32 GMT https://community.netapp.com/t5/ONTAP-Hardware/can-I-hot-add-DS4246-shelf-to-a-existing-FAS2720-with-a-DS212C-shelf/m-p/468155#M12175 Daniel_66 2026-07-15T17:12:32Z