Você precisa excluir a partição e criar uma nova.
Mostrar informações da partição:
Command (m for help): p
Disk /dev/vda: 407.6 GiB, 437629485056 bytes, 854745088 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x5c873cba
Partition 2 does not start on physical sector boundary.
Device Boot Start End Blocks Id System
/dev/vda1 * 2048 1026047 512000 83 Linux
/dev/vda2 1026048 1640447 307200 8e Linux LVM
exclua a partição:
Command (m for help): d
Partition number (1,2, default 2): 2
Partition 2 has been deleted.
crie uma nova partição:
Command (m for help): n
Partition type:
p primary (1 primary, 0 extended, 3 free)
e extended
Select (default p): *Enter*
Using default response p.
Partition number (2-4, default 2): *Enter*
First sector (1026048-854745087, default 1026048): *Enter*
Last sector, +sectors or +size{K,M,G,T,P} (1026048-854745087, default 854745087): +500M
Created a new partition 2 of type 'Linux' and of size 500 MiB.
Mostrar informações da partição:
Command (m for help): p
Disk /dev/vda: 407.6 GiB, 437629485056 bytes, 854745088 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xf6e2b6cb
Device Boot Start End Blocks Id System
/dev/vda1 * 2048 1026047 512000 83 Linux
/dev/vda2 1026048 2050047 512000 8e Linux LVM
Escreva as alterações com a opção w quando tiver certeza de que elas estão corretas.
Verifique o sistema de arquivos:
e2fsck /dev/vdb1
e2fsck 1.41.12 (17-May-2010)
Pass 1:Checking inodes, blocks, and sizes
Pass 2:Checking directory structure
Pass 3:Checking directory connectivity
Pass 4:Checking reference counts
Pass 5:Checking group summary information
ext4-1:11/131072 files (0.0% non-contiguous),27050/524128 blocks