How do I create and add a secondary partition to my NVMe drive?

[bawjaws]

I've installed Proxmox on a 1TB NVME drive, and used the advanced settings to tell the installer that I only wanted to use 256GB for Proxmox. Now I'd like to create an LVM-Thin partition on the remaining 750GB(ish) to be used for storing VM disk files.

I can't seem to find out how to do this. I can see in the GUI that I can add various forms of storage, but I can't see a way of telling it to create the storage on what remains of the NVMe.

Please can anyone point me in the right direction?

 

[bbgeek17]

Please can anyone point me in the right direction?

you are looking for the following search : "linux create partition unused space"
Once you manually created partition on the remaining free space, you should be able to use GUI to create an LVM VG https://pve.proxmox.com/wiki/Logical_Volume_Manager_(LVM)

Make sure you understand the commands you run, a wrong command can wipe out your disk.

---

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

 

[ubu]

Post fdisk -l /dev/nvme0n1


fdisk -l nvme0n1
Festplatte nvme0n1: 1000 MiB, 1048576000 Bytes, 2048000 Sektoren
Einheiten: Sektoren von 1 * 512 = 512 Bytes
Sektorgröße (logisch/physikalisch): 512 Bytes / 512 Bytes
E/A-Größe (minimal/optimal): 512 Bytes / 512 Bytes
Festplattenbezeichnungstyp: gpt
Festplattenbezeichner: ECAA1B0C-F120-B44F-BB84-809DADDB6561

Gerät Anfang Ende Sektoren Größe Typ
nvme0n1p1 2048 411647 409600 200M Linux-Dateisystem


fdisk /dev/nvme0n1

n (new)
Partition Number
First Sector: (enter for default)
Last sector: +500M

t (Partition Type)
L (show Types)
43 (LVM)
w (write)

fdisk -l nvme0n1
Festplatte nvme0n1: 1000 MiB, 1048576000 Bytes, 2048000 Sektoren
Einheiten: Sektoren von 1 * 512 = 512 Bytes
Sektorgröße (logisch/physikalisch): 512 Bytes / 512 Bytes
E/A-Größe (minimal/optimal): 512 Bytes / 512 Bytes
Festplattenbezeichnungstyp: gpt
Festplattenbezeichner: ECAA1B0C-F120-B44F-BB84-809DADDB6561

Gerät Anfang Ende Sektoren Größe Typ
nvme0n1p1 2048 411647 409600 200M Linux-Dateisystem
nvme0n1p2 411648 1435647 1024000 500M Linux LVM

pvcreate /dev/nvme0n1p2

vgcreate VolGroup /dev/nvme0n1p2



the rest you can do with the webgui i think, add as proxmox storage

------------------------------------------------------------------------

But maybe think about using zfs

create partition like above

zpool create rpool /dev/nvme0n1p2

Add as proxmox storage

 

[bawjaws]

Thanks guys - very helpful! I think I've succeeded in creating a ZFS pool on the partition. I take it I don't need to edit the fstab file for it to be persistent between reboots?

 

[_gabriel]

be careful, remember zfs will wearout quickly not datacenter ssd drive !

if install is new, it's better to reinstall pve,
"max root" size to 64 GB (it's the PVE/Debian OS + the iso datastore, so larger if you need store many iso )
"maxvz" will be the lvmthin datastore for VM, will be named (local-lvm)
edit: "pve-root" lvm volume need extend to use all the "maxroot" size :
lvextend -L63G /dev/pve/root ; resize2fs /dev/mapper/pve-root