Comment 1 for bug 1878752

The by-dname entry disappears after the pv is created:

$ sudo pvs
  PV VG Fmt Attr PSize PFree
  /dev/bcache1 lvm2 --- 931.51g 931.51g
  /dev/bcache2 ceph-a7917224-a99d-4885-814d-c9376fa8436d lvm2 a-- 931.51g 0

$ ls -l /dev/disk/by-dname/
total 0
lrwxrwxrwx 1 root root 13 May 15 06:04 bcache1 -> ../../bcache2
lrwxrwxrwx 1 root root 13 May 15 06:04 bcache3 -> ../../bcache0
lrwxrwxrwx 1 root root 13 May 15 06:04 bcache43 -> ../../bcache3
lrwxrwxrwx 1 root root 13 May 15 06:04 nvme0n1 -> ../../nvme0n1
lrwxrwxrwx 1 root root 15 May 15 06:04 nvme0n1-part1 -> ../../nvme0n1p1
lrwxrwxrwx 1 root root 15 May 15 06:04 nvme0n1-part2 -> ../../nvme0n1p2
lrwxrwxrwx 1 root root 9 May 15 06:04 sda -> ../../sda
lrwxrwxrwx 1 root root 10 May 15 06:04 sda-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 May 15 06:04 sda-part2 -> ../../sda2
lrwxrwxrwx 1 root root 9 May 15 06:04 sdb -> ../../sdb
lrwxrwxrwx 1 root root 9 May 15 06:04 sdc -> ../../sdc
lrwxrwxrwx 1 root root 9 May 15 06:04 sdd -> ../../sdd