How to Persistent nvme Storage?

[Tony Yang]

Dear All:

      I download the new nvme multipath version (git clone from
git.infradead.org nvme.git),I want to know how to use the
      multipath, because I want use udev to Persistent Storage,But
when use scsi_id command not found any messages.
      What method can nvme achieve multi-path? Can you provide an
example? Thank you

      [root at udev]# lsblk
NAME          MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sdb             8:16   0   1.8T  0 disk
dfa           252:0    0   2.9T  0 disk
├─dfa5        252:5    0 734.8G  0 part
├─dfa3        252:3    0 745.1G  0 part
├─dfa1        252:1    0   9.3G  0 part
├─dfa4        252:4    0 745.1G  0 part
└─dfa2        252:2    0 745.1G  0 part
nvme1n1       259:10   0   2.9T  0 disk
├─nvme1n1p5   259:15   0 734.8G  0 part
├─nvme1n1p3   259:13   0 745.1G  0 part
├─nvme1n1p1   259:11   0   9.3G  0 part
├─nvme1n1p4   259:14   0 745.1G  0 part
└─nvme1n1p2   259:12   0 745.1G  0 part
loop0           7:0    0   3.8G  0 loop /mnt/cdrom
sdc             8:32   0 557.9G  0 disk
├─sdc2          8:34   0   512M  0 part /boot
├─sdc3          8:35   0 557.3G  0 part
│ ├─rhel-swap 253:1    0     4G  0 lvm  [SWAP]
│ └─rhel-root 253:0    0 553.3G  0 lvm  /
└─sdc1          8:33   0   100M  0 part /boot/efi
sda             8:0    0   1.8T  0 disk
nvme0n1       259:0    0   1.8T  0 disk
├─nvme0n1p5   259:5    0   100G  0 part
├─nvme0n1p3   259:3    0     8G  0 part
├─nvme0n1p1   259:1    0     8G  0 part
├─nvme0n1p8   259:8    0   100G  0 part
├─nvme0n1p6   259:6    0   100G  0 part
├─nvme0n1p4   259:4    0     1K  0 part
├─nvme0n1p2   259:2    0     8G  0 part
├─nvme0n1p9   259:9    0   100G  0 part
└─nvme0n1p7   259:7    0   100G  0 part
[root at udev]# /usr/lib/udev/scsi_id -g -u -d /dev/sdb
3518f2920201113ff
[root at udev]# /usr/lib/udev/scsi_id -g -u -d /dev/dfa
[root at udev]# /usr/lib/udev/scsi_id -g -u -d /dev/dfa5
[root at udev]# /usr/lib/udev/scsi_id -g -u -d /dev/nvme1n1p5