Hey Richard.
Have you seen this article?
https://www.theregister.co.uk/2017/02/16/hpe_blames_solid_state_drive_failure_for_australian_tax_office_outage/
Have you seen this article?
https://www.theregister.co.uk/2017/02/16/hpe_blames_solid_state_drive_failure_for_australian_tax_office_outage/