In some rare circumstances customers may want to change the IOPS on the AWS CVO NVRAM disk (can be shared with boot disk). Typically this is only in response to working with the Performance team in Ne...In some rare circumstances customers may want to change the IOPS on the AWS CVO NVRAM disk (can be shared with boot disk). Typically this is only in response to working with the Performance team in NetApp Support or a NetApp architect/Cloud resource. Note: The IOPS on the boot disk can be increased on a running system without any negative impact. Example: The boot disk is identified by EBS volume mounted on /dev/sda1 to the EC2 instance as shown in the screenshot below.