# LVM
#### Extend
```bash
lvextend -L+1G /dev/vg4/homevol
```

# Ext4
#### Resize
```bash
resize2fs /dev/device [size]
```

#### if superblock fail
```bash
dumpe2fs /dev/sda5 | grep -i backup
fsck -b 32768 /dev/sda5
```