====== Replace disk on LSI raid adapter ====== Drive accidentally removed from RAID/disk replacement, resolve the PD Missing error without data loss using LSI WebBIOS I found it in the "Starting the LSI Configuration Utility program" chapter. The path is (from BIOS): System Settings → Adapters and UEFI drivers --> Select a RAID adapter 1 to start the LSI WebBIOS Configuration Utility --> Start --> Physical View Select a disk with status "Unconfigured Bad" --> select drive group --> Make Unconfigure Good --> Go --> Select drive group --> In drive group missing row select a drive --> Replace Missing PD --> Select drive group --> Make Online --> Making a Drive Online may result in data corruption... --> Yes (don't care) www.packetmischief.ca/2011/03/31/monitoring-direct-attached-storage-under-esxi