U.2 NVMe Cache Drive Post-Installation Tasks#

This section describes the tasks that you typically need to perform after replacing a U.2 NVMe drive or upgrading from four to eight drives.

Re-creating the RAID Array#

Power on the system and log in.
Confirm that all installed drives are visible by using the nvme command.
```
sudo nvme list
```
Two boot drives and either four or eight cache drives should be visible, depending on how many are installed in the system.
If the cache volume was encrypted with an access key, disable the encryption before re-creating the RAID volume.
```
sudo nv-disk-encrypt disable
```
The disk encryption packages must be installed on the system. For more information, refer to the Managing the DGX A100 Self-Encrypting Drives topic in the NVIDIA DGX A100 System User Guide.
Re-create the cache volume and the /raid filesystem.
```
configure_raid_array.py -c -f
```
At the prompt, enter y to confirm the rebuild action.
(Optional) To encrypt the volume with an access key, refer to the Managing the DGX A100 Self-Encrypting Drives topic in the NVIDIA DGX A100 System User Guide.
Confirm the volume is healthy.
```
sudo nvsm show volumes
```

Send the old drive to NVIDIA Enterprise Support using the packaging from the new drive.