Storage Subsystems are designed to be reliable and feature redundant drives, controllers, power supplies, and fans. This hardware redundancy keeps the storage subsystem working if a component fails. In addition, you can use the storage management software to implement other data protection strategies. See the following related topics:
Learn About RAID Levels and Data Protection
Learn About Cache Memory Protection
Learn About Using Hot Spare Drives for Data Protection
Learn About Background Media Scans
Learn About Failover Protection Settings
Learn About Storage Subsystem Password Protection
Learn About Alert Destinations for Storage Subsystem Critical Event Notification (see the Enterprise Management Window Help.)