# virsh

## nic

```
virsh domif-setlink <domain> <host-interface-device-name> <state>
```

## hdd

```
virsh blockresize <domain> --path <host-block-device> --size=<size M|G>
```

## blocksize
```
<blockio logical_block_size='512' physical_block_size='4096'/>
```