DGX-2 System User Guide 46RESTORING THE DGX-2 SOFTWARE IMAGEIf the DGX-2 software image becomes corrupted (or both OS NVMe drives are replaced),restore the DGX-2 software image to its original factory condition from a pristine copy ofthe image.The process for restoring the DGX-2 software image is as follows:1. Obtain an ISO file that contains the image from NVIDIA Enterprise Support asexplained in Obtaining the DGX-2 Software ISO Image and Checksum File.2. Restore the DGX-2 software image from this file either remotely through the BMC orlocally from a bootable USB flash drive.● If you are restoring the image remotely, follow the instructions in Re-Imaging theSystem Remotely.● If you are restoring the image locally, prepare a bootable USB flash drive andrestore the image from the USB flash drive as explained in the following topics:― Creating a Bootable Installation Medium― Re-Imaging the System From a USB Flash Drive Note: The DGX OS Server software is restored on one of the two NMVe M.2 drives.When the system is booted after restoring the image, software RAID begins the processrebuilding the RAID 1 array - creating a mirror of (or resynchronizing) the drivecontaining the software. System performance may be affected during the RAID 1rebuild process, which can take an hour to complete.
