Dell PowerFlex 4.6.x Install and Upgrade Guide

Configuring system data networks, network sets, hosts, host groups, and enabling persistent discovery (Optional)

After upgrading, optionally configure the following to enable the load-balancing feature on a volume that is using the NVMe over TCP protocol:

To enable persistent discovery controller option on a Linux-based compute-only node that is mapped to an NVMe over TCP volume, run the following:

Table 1. Persistent discovery with NVMe over TCPThe following table provides the commands to enable the persistent discovery controller option on a Linux-based compute-only node that is mapped to an NVMe over TCP volume.
To...	Do this...
Discover the PowerFlex NVMe storage data target interfaces.	For a root user: `#sudo nvme discover -t tcp -a <SDT IP ADDRESS> -s 4420` For a non-root user: `#sudo nvme discover -t tcp -a <SDT IP ADDRESS> -s 4420`
Connect all storage data target paths. Run the same command for all the discovered storage data target IP addresses (`traddr`).	For a root user: `#nvme connect-all -t tcp -a <SDT IP ADDRESS> -p` For a non-root user: `#sudo nvme connect-all -t tcp -a <SDT IP ADDRESS> -p`