Often you create an AWS EC2 instance with a small EBS volume size, at later stage you may need to extend the volume size to a larger size to cater your workload needs. AWS Provides an easy way to update volume size. In this blog post you will be going to learn How to extend volume size on AWS EC2 Instance.
Login to your aws console and follow below process to extend volume size.
STEP 1: Choose EBS Volume
Goto EBS and select volume which you want to extend as shown in picture below-
From the actions drop down choose Modify Volume as shown in picture below-
STEP 2: Put New Volume Size
After selecting actions as Modify Volume you will get a pop screen to input new volume size as shown in picture below. Initially my volume size was 20 GB, in this example I am updating it to 21 GB.
Once you do and click Modify button another popup will come showing some information and asking for confirmation as shown in image below-
Once you click on yes your EBS volume size modification will start.
STEP 3: Status of Volume Modification
You can see or check status or volume modification from description tab as shown in pic below, the percent will keep on increasing. Once it is 100 % then it means EBS volume modification is completed. However this process might take time depends how big you are enlarging.