Friday, 13 June 2014

LVM2 file systems on Linux

1. Create a partition to hold the LVM2 file system. You can use the whole disk, but this is not recommended. You can use fdisk on disks smaller than 2TB, but will need to use parted on larger disks.
Make sure you use partition type 0x8e for LVM.

2. Create the physical volume:
sudo pvcreate /dev/sdb1
sudo pvscan 

3. Create the volume group:
sudo vgcreate volume_group_name /dev/sdb1
sudo vgdisplay volume_group_name

5. Create a 500 MB volume:
sudo lvcreate -L500 -nvolume_name volume_group_name
sudo lvdisplay volume_group_name

6. Make a file system:
sudo mkfs -t ext4 /dev/mapper/volume_group_name-volume_name

7. Create a mount point:
sudo mkdir /path_to_mount

8. Mount file system:
sudo mount /dev/mapper/volume_group_name-volume_name /path_to_mount

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