topic Facing errors while creating Multipath-Raid using mdadm in Network and Storage Protocols https://community.netapp.com/t5/Network-and-Storage-Protocols/Facing-errors-while-creating-Multipath-Raid-using-mdadm/m-p/449343#M9977 <P><SPAN>Unique identifiers such as WWN, WWID or serial numbers changes when disk is transported to the client side.</SPAN><BR /><SPAN>I am using NVMe/TCP connection for disk sharing. I want to keep the unique identifiers of the disk same or set it by myself on client side.&nbsp;<BR />1) How can I achieve it?<BR /></SPAN>2) How can I set unique identifiers same - of the 2 logical disks on a server (which are actually same physical disk came via two different paths )<BR /><BR /></P> Wed, 04 Jun 2025 09:43:19 GMT Natasha2203 2025-06-04T09:43:19Z Facing errors while creating Multipath-Raid using mdadm https://community.netapp.com/t5/Network-and-Storage-Protocols/Facing-errors-while-creating-Multipath-Raid-using-mdadm/m-p/449343#M9977 <P><SPAN>Unique identifiers such as WWN, WWID or serial numbers changes when disk is transported to the client side.</SPAN><BR /><SPAN>I am using NVMe/TCP connection for disk sharing. I want to keep the unique identifiers of the disk same or set it by myself on client side.&nbsp;<BR />1) How can I achieve it?<BR /></SPAN>2) How can I set unique identifiers same - of the 2 logical disks on a server (which are actually same physical disk came via two different paths )<BR /><BR /></P> Wed, 04 Jun 2025 09:43:19 GMT https://community.netapp.com/t5/Network-and-Storage-Protocols/Facing-errors-while-creating-Multipath-Raid-using-mdadm/m-p/449343#M9977 Natasha2203 2025-06-04T09:43:19Z Re: Facing errors while creating Multipath-Raid using mdadm https://community.netapp.com/t5/Network-and-Storage-Protocols/Facing-errors-while-creating-Multipath-Raid-using-mdadm/m-p/449548#M9987 <P>I would recommend that <A href="https://kb.netapp.com/Support%2FGeneral_Support%2FHow_to_open_a_technical_case" target="_blank" rel="noopener">you open a technical case with NetApp Support</A> to assist.</P> <P>&nbsp;</P> <P>Do you have MPIO enabled?</P> Wed, 06 Dec 2023 23:11:47 GMT https://community.netapp.com/t5/Network-and-Storage-Protocols/Facing-errors-while-creating-Multipath-Raid-using-mdadm/m-p/449548#M9987 andris 2023-12-06T23:11:47Z