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Format and mount new drives in linux

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To format a new drive as Btrfs (B-tree file system) and mount it in Linux, you can follow these steps:

Identify all attached drives

lsblk --output NAME,FSTYPE,LABEL,MODEL,UUID,FSAVAIL,FSUSE%,MOUNTPOINT
df -Th

Wipe drive

Unmount an already mounted drive, to able to modify its filesystem

sudo umount /dev/sdX1

Wipe the filesystem from a partition

sudo wipefs -a /dev/sdX1

If necessary, merge multiple partitions on the disk

sudo fdisk /dev/sdX
  • delete second partition: d 2
  • delete first partition: d 1
  • create new partition over entire disk: n 1 default default
  • write changes to disk: w

Format partition with filesystem

sudo mkfs.btrfs /dev/sdX1

Mount drive automatically at boot

sudo nano /etc/fstab
  • Add text line and save
UUID=38ffd02c-c135-4aa6-8a41-494b8112a011  /media/redCloudDrive  btrfs  defaults,nofail  0  0
UUID=e7ec61d1-e369-4d81-b10f-dfa53f1f86c3  /media/blackBackupDrive  btrfs  defaults,nofail  0  0

Reboot to apply changes

sudo reboot now

Temporary mount drive

sudo mkdir /media/redCloudDrive
sudo mount /dev/sdX1 /media/redCloudDrive

List BTRFS subvolumes

sudo btrfs subvolume list /media/redCloudDrive

Sources:

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  • AI response - Format and mount new disks
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