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I have a VM Ubuntu 20.10 instance on GCP. It initially had 40 GB Boot disk space which got full and to increase it I had followed google official tutorials and it's showing on console that it has resized to 100 GB but when I SSH into instance it shows the disk is still 40 GB. Attached are some screenshots for reference

SSH Command to check disk Size

VM Name

Disk Name

I had restarted Instace several times.

Ashish Jat
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  • I wrote an article on how the resize works. This might help you debug what is going wrong. https://www.jhanley.com/google-cloud-debian-9-resize-root-file-system/ – John Hanley Dec 26 '21 at 19:46
  • Did you forget to increase *partition* and *file system* size inside the VM after the disk was enlarged? Read this: https://serverfault.com/questions/994448 . (Probably, your question could be considered a duplicate of that one.) – Nikita Kipriyanov Dec 26 '21 at 19:51
  • Also, if it's GPT, you might need to move the backup GPT to the new end before adding / extending partition. – Tom Yan Dec 27 '21 at 06:37

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