[Solved] NVME disk capacity not fully shown - how to format and delete all partitions of a drive?

[rug]

I have a KINGSTON SA2000M8250G NVMe disk that I want to use as a cache (single disk pool). However, after assigning it to the cache it shows a wrong size. The disk has 250GB but unraid reports only 273 MB of it.

 

I've tried to remove it from the array and re-add it without success. I'm familiar with the console but I'm unfamiliar with the unraid OS so I haven't been able to manually format the drive with tools like parted or fdisk because they are missing and it seems to me that there is no package manager like apt or pkg?

 

The NVMe previously had few partitions, it was the base installation drive of a Proxmox build, I believe all it needs is a proper formatting and repartition to a single partition (allocating the whole disk).

 

 

lsblk

nvme0n1     259:0    0 232.9G  0 disk
├─nvme0n1p1 259:1    0   260M  0 part /mnt/cache
├─nvme0n1p2 259:2    0 216.6G  0 part
└─nvme0n1p3 259:3    0    16G  0 part

 

 

 

 

The partition 2 of the nvme was formatted with a zfs_member label which I was able to remove with fdisk. I now have the full 250GB to use.

Edited April 11, 2021 by maxiride