[Steps] - How to extend the root (/) disk of a VM in Google Cloud Platform (GCP)

Steps to extend the root file system in GCP:

1) connect to the instance, and check the size with

lsblk and df-h.

2) Navigate to the instance in gcloud console, and to the boot disk and edit the same change size from 20G to 30G

3) Now check in lsbk in the VM : it reflects 30 Gb in sda but on its partition

4) Now use growpart to extend the partition using the below command

growpart /dev/sda 1

and then use lsblk and see that it reflects.

5) But still df -h still does not reflect it :

6) To make the filesystem report the actual size use below:

sudo xfs_growfs /

7) Now it reflects in df -h also as shown below:

df -kh

In Short:

1) edit the boot disk size in gcloud console

2) growpart /dev/sda 1

3) sudo xfs_growfs /

💚 HAPPY LEARNING! 💚

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