szarnyasg/aws-ssd-persistence-test.md

## aws-ssd-persistence-test.md

      
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              aws-ssd-persistence-test.md
            
          
    AWS SSD persistence

i3

Run 1

sudo mkfs -t ext4 /dev/nvme0n1
sudo mkdir /data
sudo mount /dev/nvme0n1 /data
sudo chown -R ${USER}:${USER} /data
touch /data/my.test
sudo reboot

Run 2

sudo mount /dev/nvme0n1 /data
sudo chown -R ${USER}:${USER} /data
ls -la /data

The file is there.
Run 3

Stop the machine from the console, start it again.
It gets a new IP and a new disk.
sudo mount /dev/nvme0n1 /data

The mount fails with:
mount: /data: wrong fs type, bad option, bad superblock on /dev/nvme0n1, missing codepage or helper program, or other error.

r5d

Run 1

sudo mkfs -t ext4 /dev/nvme1n1
sudo mkdir /data
sudo mount /dev/nvme1n1 /data
sudo chown -R ${USER}:${USER} /data
touch /data/my.test
sudo reboot

Run 2

sudo mount /dev/nvme1n1 /data
sudo chown -R ${USER}:${USER} /data
ls -la /data

The file is there.
Run 3

Stop the machine from the console, start it again.
It gets a new IP and a new disk.
sudo mount /dev/nvme1n1 /data

The mount fails with:
mount: /data: wrong fs type, bad option, bad superblock on /dev/nvme1n1, missing codepage or helper program, or other error.