Removing Disks from Instances

  • date 11th March, 2021 |
  • by Prwatech |


Hardware : GCP

Google account

Some times we might need to unmount and delete the disks from GCP instances so that other instances in that same zone can use that disk.

Open VM instances from the Menu > Compute Engine > VM instances.

Open the SSH of instance from which you want to remove the extra disk.

 Type $ lsblk.

It will list the blocks.

To unmount the disk, type :

sudo umount /dev/<Disk_Name>

sudo vi /etc/fstab

It will open the file. Remove the directory path which you added, then press “esc” + “:” (shift + 😉 then type wq and enter.

Type  sudo fdisk /dev/sdb.

Press p for the partition table.

Type d to delete the partition. Specify the partition number which you want to delete [1-4].

To write the alteration press w.

Open the Compute Engine>VM instances to delete the disk from the machine.

Click on the instance which you have added the disk.

Click the Edit.

In the Additional Disks, Select the disk which you want to delete. And press the delete button.

Click Done and press Save.

The disk will be detached from the Instance.


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