I would recommend connecting to the iDRAC and uploading the .EXE update package directly to the iDRAC under iDRAC Settings > Update and Rollback, so that you can bypass your OS and update the drive. [URL]
Hi! While updating system using bootable iso PER730_BOOTABLE_19.07.00.55.iso got error: Device: THNSF81D60CSEApplication: Firmware for - Disk 1 in Backplane 1 of Dell HBA330 Mini Controller 0The operation failed due to an invalid image file.   The current fimware is DAC9 and package firmware is DACB. I have esxi at server so can't update with windows updater.   Regards, Ivan      
PowerEdge R730 can't update disk firmware