In my 15 years of experience as a sysadmin and architect, hard drives are far and above the most frequent hardware casualty of power failures.
The EBS documentation states that there's an expected AFR of 1 to 2 per thousand volumes, so you should plan accordingly. Replicate any data that will cause harm to your business if lost to other sources. Keep backups.
The EBS documentation states that there's an expected AFR of 1 to 2 per thousand volumes, so you should plan accordingly. Replicate any data that will cause harm to your business if lost to other sources. Keep backups.