[Xen-users] Re: xend restart

[Timur Irmatov <irmatov@xxxxxxxxx>]

On 11/7/05, Timur Irmatov <irmatov@xxxxxxxxx> wrote:
> I am wondering, is it safe to restart xend (after upgrade of python
> version or other libraries) with running domU's?
>
> Should I stop all domU before that, or they will be not affected by
> xend restart?

It seems my question is answered in xend.tex:

When xend creates a domain it creates the domain memory image and communicates
with the device driver domain(s) to configure the devices for the domain.
This sets up connections between the domain and backend device controllers
in the driver domain. When a domain shuts down its memory image cannot
be fully released
unless its backend devices are released and disconnected. This is done by xend.
In order to protect against loss of this information when xend is restarted,
xend maintains a persistent database of domain configurations. This allows
xend to be stopped and restarted without loss of configuration information.
For example, in order to upgrade the xend software.

Does that mean I can safely restart xend without any impact on running domU's?

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