#This file contains the OS commands and AWS CLI commands used in this blog "Using Amazon EBS elastic volumes with Oracle databases (part 1): Introduction" 
#Blog URL - https://aws.amazon.com/blogs/database/using-amazon-ebs-elastic-volumes-with-oracle-databases-part-1-introduction/  

# Create a directory called customdf

mkdir -p /u01/app/oracle/oradata/cdb1/pdb1/customdf

# Create a file system and mount it at /u01/app/oracle/oradata/cdb1/pdb1/customdf/ 

mkfs -t ext4 /dev/nvme2n1
mount /dev/nvme2n1 /u01/app/oracle/oradata/cdb1/pdb1/customdfs/

# Verify the disk utilization at the OS level using the df command

df –h

# Increase the size of the EBS volume to 60 GiB from 30 GiB using the AWS CLI.

aws ec2 modify-volume --region us-east-1 --volume-id <replace-with-your-ebs-volume-id> --size 60

# Verify volume modification status

aws ec2 describe-volumes-modifications --region us-east-1 --volume-id <replace-with-your-ebs-volume-id>

#Use the resize2fs command to resize the file system.

resize2fs /dev/nvme2n1

#verify new size

df -h