### Install Hardware Package for Arista z20 Appliance

Source: https://support.edge.arista.com/hc/en-us/articles/228268608-Steps-to-take-when-re-installing-the-NGFW-software

Use this command to install the specific hardware package for the Arista z20 appliance after the main software installation. Run 'apt-get update' first if the package is not found.

```bash
apt-get install untangle-hardware-caswell-z20
```

--------------------------------

### Install Hardware Package for Arista w8 Appliance

Source: https://support.edge.arista.com/hc/en-us/articles/228268608-Steps-to-take-when-re-installing-the-NGFW-software

Use this command to install the specific hardware package for the Arista w8 appliance after the main software installation. Run 'apt-get update' first if the package is not found.

```bash
apt-get install untangle-hardware-caswell-w8
```

--------------------------------

### Example Storage Device Identification

Source: https://support.edge.arista.com/hc/en-us/articles/4402716769687

Example output from 'dmesg | grep "logical blocks"' showing 'sda' with 1.01 GB and 'sdb' with 63.6 GB, indicating 'sdb' as the target storage device.

```bash
root@mfw:/# dmesg | grep "logical blocks"  
[ 4.888337] sd 2:0:0:0: [sda] 1968128 512-byte logical blocks: (1.01 GB/961 MiB)  
[ 5.131603] sd 3:0:0:0: [sdb] 124190720 512-byte logical blocks: (63.6 GB/59.2 GiB)
```