List Disk Size Incorrect

T

theb2b

New Member
Sep 22, 2024
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Installed Proxmox on a seperate 500 GB SSD disk, then mounted a 4.8 TB raid 6 drive. Added the new disk to pve, but it is reporting disk size as 72.72 GB, I formatted the disk as ext4 disk, is this why or is there another reason?

fdisk -l
Device Start End Sectors Size Type
/dev/sdc1 2048 9372170239 9372168192 4.4T Linux filesystem

Container type is set to Disk Image

The raid disk is to be used for storage of VM images only.
 
I assume the raid6 disk isn't mounted yet and you see with "df /raid-mount-dir" instead the size of your "/" filesystem ?!
 
Yes the raid is mounted and setup as a storage location when I view it node 'pve' shows the following:
Usage 9.24% (6.72 GB of 72.72 GB

Using the findmnt --df I get the following
/dev/sdc1 ext4 4.3T 369.7G 3.7T 8% /mnt/storage
 
What does "df -h" say ?
Probably you have just 72 GB LVM(-thin) space free and you didn't define in datacenter your 4TB disk as "dir" yet ?
 
root@pve:~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 63G 0 63G 0% /dev
tmpfs 13G 2.4M 13G 1% /run
/dev/mapper/pve-root 68G 6.3G 58G 10% /
tmpfs 63G 55M 63G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
efivarfs 304K 206K 94K 69% /sys/firmware/efi/efivars
/dev/sdc1 4.4T 370G 3.8T 9% /mnt/storage
/dev/sda2 1022M 12M 1011M 2% /boot/efi
/dev/fuse 128M 16K 128M 1% /etc/pve
tmpfs 13G 0 13G 0% /run/user/0
 
theb2b said:
Yes the raid is mounted and setup as a storage location when I view it node 'pve' shows the following:
Usage 9.24% (6.72 GB of 72.72 GB
Click to expand...
This is "/" shown in power of 1000 (like df -H) and
theb2b said:
/dev/mapper/pve-root 68G 6.3G 58G 10% /
Click to expand...
this is "/" shown in power of 1024 (in df -h).

So indead you have a 4TB (raided) disk mounted (under /mnt/storage) but not defined in datacenter as "dir" yet if you want to use it with a filesystem (otherwise you don't take a filesystem onto, don't mount it and define it as LVM or LVM-thin for block usage).
 
Last edited:
Left "Datacenter" -> mid "Storage" -> right top "Add" -> "Directory" -> ID eg. "4T-storage", Directory "/mnt/storage" -> "Add" button and you are done.
 
Thank you that did it, now having run through this with your guidance I now see where I made my error, I needed to create a directory which I was starting to suspect reading your responses. Again thanks for your help.
 
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