## Purpose
This document is meant to help keep track disks and their associated serial numbers for replacement and recordkeeping purposes.
!!! note "Disk Order Structure"
Disks are represented in 4 columns, with the drive positions / topology mirroring the table seen below.
| **Column 01** | **Column 02** | **Column 03** | **Column 04** |
| :--- | :--- | :--- | :--- |
| 240GB
`SN: 50026B77850B2DA9` | 240GB
`SN: 50026B7784D34038` | 240GB
`SN: 50026B7784E8A771` | 240GB
`SN: 50026B7784E8CB49` |
| 240GB
`SN: 50026B7784D3620D` | 240GB
`SN: 50026B7784D45C34` | 240GB
`SN: 50026B7784E8AC95` | 240GB
`SN: 50026B7784E8A983` |