Nvidia DGX A100 Service Manual

Chapter 8. U.2 NVMe Cache Drive
Upgrade to 7.68 TB Drives
If you require more drive cache capacity, you can increase the cache by replacing the existing 3.84 TB
drives with 7.68 TB drives.
8.1. U.2 NVMe Cache Drive 7.68 TB Upgrade
Overview
This is a high-level overview of the steps needed to upgrade the DGX A100 system’s cache size.
1. Place an order for the 7.68 TB U.2 NVMe drives from NVIDIA Sales.
2. Power o the system.
3. Remove the existing components.
▶ Remove all 3.84 TB cache drives.
▶ If you are also upgrading from four to eight cache drives, then remove the air baes in the
blank drive slots.
4. Install the 7.68 TB NVMe drives in the DGX A100 system.
5. Power on the system.
6. Re-initialize the ∕raid lesystem to recognize all eight drives.
7. Conrm the system is healthy by running nvsm show health.
8.2. Installing the 7.68 TB NVMe Drives
1. Be sure you have obtained the additional drives.
2. Back up any critical data to a network shared volume or some other means of backup.
3. Power o the system using the power button or through the console.
4. Remove all 3.84 TB NVMe drives.
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Nvidia DGX A100 Specifications

General

GPU	8 x NVIDIA A100 Tensor Core GPUs
System Memory	1 TB DDR4
Storage	15 TB NVMe SSD
GPU Memory	320 GB total (40 GB per GPU)
CPU	2 x 64-Core AMD EPYC 7742
Networking	8 x 200 Gb/s InfiniBand or Ethernet
Interconnect	NVIDIA NVLink