Where did you get this?
https://www.ovh.com/world/solutions/centres-de-donnees.xml
and here
"Every data center room is fitted with a fire detection and extinction system, as well as fire doors. OVHcloud complies with the APSAD R4 rule for the installation of mobile and portable fire extinguishers and has the N4 certificate of conformity for all our data centers." https://us.ovhcloud.com/about/company/security