[PVE-User] Create proxmox cluster / storage question.

[Leandro Roggerone]

Hi guys , i'm still tunning my 5.5 Tb server.
While setting storage options during install process, I set 2000 for hd
size, so I have 3.5 TB free to assign later.

my layout is as follows:
root at pve:~# lsblk
NAME               MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                  8:0    0   5.5T  0 disk
├─sda1               8:1    0  1007K  0 part
├─sda2               8:2    0   512M  0 part
└─sda3               8:3    0     2T  0 part
  ├─pve-swap       253:0    0     8G  0 lvm  [SWAP]
  ├─pve-root       253:1    0     1T  0 lvm  /
  ├─pve-data_tmeta 253:2    0     9G  0 lvm
  │ └─pve-data     253:4    0 949.6G  0 lvm
  └─pve-data_tdata 253:3    0 949.6G  0 lvm
    └─pve-data     253:4    0 949.6G  0 lvm
sr0                 11:0    1  1024M  0 rom

My question is:
Is it possible to expand sda3 partition later without service outage ?
Is it possible to expand pve group on sda3 partition ?

In case to create a proxmox cluster, what should I do with that 3.5 TB free
?
Is there a best partition type suited for this ? Can I do it without
service outage?

I have not any service running yet , so I can experiment what it takes.
Any thought about this would be great.
Leandro.