17.22. Creating a New Virtual Block Device
You can use xm to create a new virtual block device:
xm block-attach [domain-id] [bedomain-id] [fe-dev] [be-dev] [mode]
You can attach (or detach) virtual devices even if guests are running. The five
parameter options are defined below:
| Parameter |
Description |
|
[domain-id]
|
The guest domain's domain-id that attaches to the device
|
|
[be-dev]
|
The device in the backend domain that gets exported
|
|
[fe-dev]
|
The device that gets presented to the guest domain
|
|
[mode]
|
The guest domain's device access mode
|
|
[bedomain-id]
|
The back end domain that hosts the device
|
Table 17.5. New Block Device Parameters
