How to check whether file system is formatted or not?

Question

EBS volume is created and then attached to one EC2 instance .

After that volume is made one filesystem using mkfs command and then it is mounted onto one directory. Later i was unmounted that filesystem.

How to check EBS volume is formatted  or not previously?

Answer 1

To check the file system you can use the below commands that will help you to resolve the issue:

sudo file -s /volume/name

sudo fsck /volume/name

Output:

For more information refer to this AWS Cheat Sheet