Note: Always test in a non-production lab first.
Every EMC array stores its operating system (FLARE) on the first four to five disks (vault drives). If one vault drive corrupts its sector 0 or the “magic header,” the entire array refuses to boot. EMC Utility Pro can rewrite these headers without needing spare identical drives. emc utility pro
The last major update to EMC Utility Pro was released around 2018. It does not support: Note: Always test in a non-production lab first