Add external HDD to Proxmox

do these step

1. add phisical harddisk to your machine.
2. # fdisk -l
secondary hardisk will be found “/dev/sdb”

2. create phisically volume
pvcreate /dev/sdb

3. create volume group
vgcreate “backup1” /dev/sdb

* to remove use coomand  vgreduce "backup1" /dev/sdb

4. Create LVM group via webconfig.


Goodluck