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Dell PowerFlex 4.5.x Administration Guide

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Add an NVMe host

Add an NVMe host to PowerFlex.

Prerequisites

  • Ensure that you have the host's NVMe Qualified Name (NQN). If you do not know the NQN, see the documentation for the host operating system.
  • Ensure that the host is connected to the Ethernet switch.
  • Ensure that the host is configured with the correct VLAN ID and routing rules.

Steps

  1. On the menu bar, click Block > Hosts.
  2. Click + Add Host.
  3. In the Add NVMe Host dialog box, enter a hostname in the Host Name field.
  4. In the Host NQN field, enter the NQN string for the host.
  5. In the Number of Paths Per Volume field, enter the maximum number of paths to be provided between the host and each volume (default is 4).
  6. In the Number of System Ports per Protection Domain field, enter the maximum number of ports to be provided between the host and each protection domain (default is 10).
  7. Click Add.
  8. Verify that the operation has finished and was successful, and click Dismiss.
  9. Configure the host operating system to connect to the cluster's NVMe discovery service on one or more of the NVMe targets.

Next steps

The CLI for PowerFlex also provides options for adding a host group: 

sio@localhost [/home/sio] $ scli --add_nvme_host --help

Usage: scli --add_nvme_host --nvme_host_nqn <NQN> [--host_name <NAME>] [--max_number_paths <VALUE>] [--max_number_sys_ports <VALUE>] [--host_os_full_type <OS>] [--host_group_name <ID> | --host_group_id <NAME>] | --force
Description: Add a NVMe Host to the system
Parameters:
    --nvme_host_nqn <NQN>               NVMe Host NQN
    --host_name <NAME>                  Host name
    --max_number_paths <VALUE>          Maximal number of paths allowed per mapped volume
                                        Valid range: 2-8. Default: 4
    --max_number_sys_ports <VALUE>      Maximal number of System Ports allowed per Protection Domain
                                        Valid range: 2-128. Default: 10
    --host_os_full_type <OS>            NVMe Host OS type
                                        Options: generic (default) or powerflex
    --host_group_id <ID>                Host Group ID
    --host_group_name <NAME>            Host Group name
    --force                             Force NQN, ignore all NQN formating rules.

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