Replacing Hardware Components in Your Supermicro A+ ASG-1014S-ACR12N4H Nodes

This section explains how to replace hardware components in Supermicro 1014S nodes.

Caution

We strongly recommend engaging an on-site engineer to replace failed hardware components including but not limited to any procedure that:
- This guide doesn't cover
- You haven't received training on
- Requires precautions to avoid damage caused by electrostatic discharge (ESD) by using industry standard anti-static equipment (such as gloves or wrist straps)
We don’t recommend updating firmware on Qumulo-certified hardware nodes unless the equipment manufacturer or a member of the Qumulo Care team advises you to do so. For questions about this process, contact the Qumulo Care team.

To Perform the Part Replacement Procedure by Using the FVT

When you replace a component such as the motherboard or a NIC card in your node, you must ensure that the firmware version and configuration are correct for your new components. To do this, you must perform the part replacement procedure by using the FVT.

Note
Before you replace the motherboard, you must request a new Data Center Management Suite (DCMS) license key from Supermicro and apply it before you run the FVT. (The license key uses the BMC MAC address which changes with the motherboard.) If you don’t install a DCMS license on your node, the Field Verification Tool (FVT) fails, preventing you from running the part replacement procedure in the FVT, which normalizes the firmware and BIOS configuration for your new motherboard.

Boot by using the latest version of the Qumulo Core USB Drive Installer.
Select [*] Perform maintenance.
Select [2] Perform automatic repair after part replacement (non-destructive).

The part replacement procedure runs and the FVT passed! message appears.

Note
In some cases, after the part replacement procedure, the message FIX: Run the FVT flash command. appears. Enter 1 as you would for a fixable issue to reboot the node and then repeat the part replacement procedure.

Replacing a Drive

Your Supermicro 1014S chassis contains 12 HDDs, 4 NVMe drives, and one NVMe boot drive in an internal M.2 expansion slot. For information about replacing a drive, see Drive Bay Mapping and the following topics in the Supermicro documentation.

Initializing the Replacement Boot Drive

After you replace the boot drive, you must initialize the replacement boot drive by using the Qumulo Core Installer and then rebuild the replacement boot drive by using a script on the node in your cluster.

Step 1: Initialize the Replacement Boot Drive

Tip
To get the correct version of the Qumulo Core Installer for the node in your cluster, contact the Qumulo Care team

Create a Qumulo Core USB Drive Installer.
Power on your node, enter the boot menu, and select your USB drive.

The Qumulo Core Installer begins to run automatically.
When prompted, take the following steps:
1. Select [x] Perform maintenance.
2. Select [1] Boot drive reset and then follow the prompts.
The Qumulo Core Installer initializes the boot drive.
When the process is complete, the node is powered down automatically.

Step 2: Rebuild the Replacement Boot Drive

Power on your node and log in to the node by using the qq CLI.
To get root privileges, run the sudo qsh command.
To stop the Qumulo Networking Services, run the service qumulo-networking stop command.
To configure the IP address for the node, run the ip addr add command and specify the node’s IP address. For example:
```
ip addr add 203.0.113.0/CDR dev bond0
```
Ensure that the node can ping other nodes in the cluster.
Run the rebuild_boot_drive.py script and specify the IP address of another node in the cluster, the ID of the node whose boot drive has been replaced, and the password of the administrative account of the cluster. For example:

Note
If your password includes special characters such as the parenthesis (() or the asterisk (*), use the backslash (\) to escape these characters.
```
/opt/qumulo/rebuild_boot_drive.py \
  --address 203.0.113.1 \
  --node-id 2 \
  --username admin \
  --password my\(Special\*Password
```
Follow the prompts.
When the process is complete, reboot the node.

Replacing a Power Supply Unit (PSU)

Your Supermicro 1014S chassis contains two PSUs. For information about replacing a PSU, see Power Supply in the Supermicro documentation.

Replacing a Fan

Your Supermicro 1014S chassis has six internal fans. For information about replacing a fan, see System Fans in the Supermicro documentation.

Replacing a DIMM

Your Supermicro 1014S chassis has 16 DIMM slots. For information about replacing a DIMM, see DIMM Installation and DIMM Module Population in the Supermicro documentation.

Note
To identify which DIMM failed, you must use the baseboard management controller (BMC) on the node or another hardware monitoring solution.