Nvme Cache Drive Upgrade From 4 To; Nvme Cache Drive Upgrade Overview; Determining The Nvme Drive To Order - Nvidia DGX A100 Service Manual

Chapter 6. U.2 NVMe Cache Drive
If you require more drive cache capacity, you can increase the cache by adding four more NVMe drives
to the DGX A100 system.
Important: Upgrade using only U.2 NVMe drives of the same density (capacity) as the existing four
drives.
6.1. U.2 NVMe Cache Drive Upgrade Overview
This is a high-level overview of the steps needed to upgrade the DGX A100 system's cache size.
1. Identify the density (capacity) of the currently installed NVMe drives.
2. Place an order for additional four NVME drives from NVIDIA Sales.
3. Power off the system.
4. Remove the air baffles in the blank drive slots.
5. Install the NVMe drives in the DGX A100 system.
6. Power on the system.
Re-initialize the ∕raid filesystem to recognize all eight drives.
7.
Confirm the system is healthy by running nvsm show health.
8.

6.2. Determining the NVMe Drive to Order

1. Identify the drives in the RAID volume by issuing the following.
$ sudo nvme list
2. Determine the drive size (3.84 TB or 7.68 TB) of the currently installed drives, and order drives of
same density (capacity) from the NVIDIA Sales team.
Upgrade from 4 to 8
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