Disk mount problem PVE 9.1.7

lsdfr

New Member
Apr 4, 2026
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Newbie here :)
I've a single pc running proxmox PVE 9.1.7 on a 500gb NVME drive and would like to add a 4TB sata disk for video storage.
I'm stuck on how to mount the sata disk in a VM

Here's what I've done - assume I've made some basic mistakes

Installed proxmox on the NVME drive
Created a VM to run docker which all works fine (install Frigate) - on the NVME drive (local-lvm) - now would like to store the video files on the sata drive
Under the PVE/disks - created a Directory disk - type ext4 - labeled "Video" (drive had been wiped/GPT)

Now I assume this is the bit I dont get
Under the docker VM (200 ID), Hardware - I added a Hard Disk (SCSI) selected the storage (Video) and set disk to 300 (GiB)
This created a Video:200/vm-200-disk-0.qcow2 VM disk

under the VM's console - lsblk shows - sdb 300G, type disk
and ls -la /dev/disk/by-id shows SCSI-0QEMU_QEMU_HARDDISK_drive-scsi1 -> ../../sdb

I'd like to mount sdb to /mnt/media but I can't find a way to do this - not sure if type flag I'm using is correct

Am I just doing the whole "add drive" process wrong ?
 
Thanks for the reply

I went with Directory because its what everyone on youtube/internet appeared to use - I could use its for general storage/disk images/backups ..etc

ZFS always looked complicated (higher memory use/cpu/managment...etc), especially on a single drive

Will look into LVM-Thin as I would like to be able to use the 4TB drive with others VM's (Not to shared data but just storage space), if this is possible.

As to the proxmox whole "add hard drive", I thought that picking a ext4 formatted drive and selecting a size (300GB), the "drive" would be created as a single 300GB, ext4, but appears not.
Maybe a future "enhancement" to add format/partition size options in the "add hard drive" setup to make like a bit easier ?

(edit - just seen UdoB like, so going to read his tutorials on ZFS)
 
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