## 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 3 columns, with the top-down view representing left-to-right. | **Column 01** | **Column 02** | **Column 03** | | :---: | :---: | :---: | | EMPTY - `SN: N/A` | EMPTY - `SN: N/A` | 600GB - `SN: N/A` | | EMPTY - `SN: N/A` | EMPTY - `SN: N/A` | 600GB - `SN: N/A` | | EMPTY - `SN: N/A` | EMPTY - `SN: N/A` | 600GB - `SN: N/A` | | EMPTY - `SN: N/A` | EMPTY - `SN: N/A` | 600GB - `SN: N/A` | | EMPTY - `SN: N/A` | EMPTY - `SN: N/A` | 600GB - `SN: N/A` | | EMPTY - `SN: N/A` | EMPTY - `SN: N/A` | 600GB - `SN: N/A` | | EMPTY - `SN: N/A` | EMPTY - `SN: N/A` | 600GB - `SN: N/A` | | EMPTY - `SN: N/A` | EMPTY - `SN: N/A` | EMPTY - `SN: N/A` |