Resize /dev/mapper/centos-root

TheDjinn

• May 02, 2016 13:05

I recently upgrade my VPS server running CloudLinux 7 to 40G from 20G. I booted up GParted and extended the /dev/sda2 partition to 40G. However when I run
df -h
I get
/dev/mapper/centos-root 18G 13G 4.7G 74% / devtmpfs 989M 0 989M 0% /dev tmpfs 999M 0 999M 0% /dev/shm tmpfs 999M 8.6M 990M 1% /run tmpfs 999M 0 999M 0% /sys/fs/cgroup /dev/sda1 497M 314M 183M 64% /boot tmpfs 200M 0 200M 0% /run/user/1002
I don't even see the extra space in here at all. I'm assuming I have to allocate the extra 20G to the root partition, but I'm unfamiliar with how to do that beyond what I've already done. Any help would be appreciated. Thanks,

• 

  dalem

  • May 02, 2016 18:29

  your have to re-size the file system with resize2fs How to Grow an ext2/3/4 File System with resize2fs - Red Hat Customer Portal

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• 

  TheDjinn

  • May 02, 2016 20:52

  Thanks for you assistance @dalem. While I didn't use your information directly. It did lead me to the solution which was
  lvextend -L+*insertsizeingigabytes*G -r /dev/mapper/centos-root
  Also I recommend using
  lsblk
  It makes a lot a lot more sense to me than
  df -h
  Thanks again,

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• 

  cPanelMichael

  • May 10, 2016 20:20

  Hello, I'm happy to see you were able to address the issue. Thank you for updating this thread with the outcome.

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