Xen users - Aug 2007 - guest autostart on host boot

Hi!

I''m using fedora 7 as host and guest for xen.

I used virt-manager tool to create my guests. When I try to use virsh
to set my guest to autostart a get: error: Failed to mark domain
guestA as autostarted

Googling I found that I could put the a file that has the guest name
at  /etc/xen/auto/
but I do not have any file with the guest name in /etc/xen

I generated the XML dump. Can I convert the dump to another format to
use in /etc/xen/auto or any other solution?

Thanks in advance.

Regards,
-- 
Augusto Castelan Carlson

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Augusto Castelan Carlson wrote:
> Hi!
>
> I''m using fedora 7 as host and guest for xen.
>
> I used virt-manager tool to create my guests. When I try to use virsh
> to set my guest to autostart a get: error: Failed to mark domain
> guestA as autostarted
>
> Googling I found that I could put the a file that has the guest name
> at  /etc/xen/auto/
> but I do not have any file with the guest name in /etc/xen
>
> I generated the XML dump. Can I convert the dump to another format to
> use in /etc/xen/auto or any other solution?
>
> Thanks in advance.
>
> Regards,
>   
Nahhh, just make a symlink from /etc/xen to /etc/xen/auto.

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Hi!

On 8/23/07, Nico Kadel-Garcia <nkadel@gmail.com>
wrote:
> >
> Nahhh, just make a symlink from /etc/xen to /etc/xen/auto.
>
I have read about the symlink from /etc/xen to /etc/xen/auto, but when
I create my guest using virt-manager (fedora 7) it does not create the
guest''s config file at /etc/xen/

Any suggestion?

Thanks!

Regards,
-- 
Augusto Castelan Carlson

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Xen-users mailing list
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http://lists.xensource.com/xen-users

Augusto Castelan Carlson wrote:
> Hi!
>
> On 8/23/07, Nico Kadel-Garcia <nkadel@gmail.com> wrote:
>   
>> Nahhh, just make a symlink from /etc/xen to /etc/xen/auto.
>>
>>     
>
> I have read about the symlink from /etc/xen to /etc/xen/auto, but when
> I create my guest using virt-manager (fedora 7) it does not create the
> guest''s config file at /etc/xen/
>
> Any suggestion?
>   
That''s news to me. Where does it put it? Can you do a "find /etc
-name
[domain]" to locate it?

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hi,

Nico Kadel-Garcia schrieb:
>> I have read about the symlink from /etc/xen to /etc/xen/auto, but when
>> I create my guest using virt-manager (fedora 7) it does not create the
>> guest''s config file at /etc/xen/
>>
>> Any suggestion?
>>   
> That''s news to me. Where does it put it? Can you do a "find
/etc -name
> [domain]" to locate it?
that doesn''t make any sense to me. First, most distributions have also
a
Xen Script /etc/init.d/xendomains that starts the DomUs automatically.
Second, i don''t now the virt-manager, but create a config file and
start
DomUs are two things.

cu denny

-- 
Stoppt den Überwachungswahn - Stoppt den Schäuble Katalog:
http://www.nopsis.de



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> > I have read about the symlink from /etc/xen to /etc/xen/auto, but when
> > I create my guest using virt-manager (fedora 7) it does not create the
> > guest''s config file at /etc/xen/
> >
> > Any suggestion?
> >
> That''s news to me. Where does it put it? Can you do a "find
/etc -name
> [domain]" to locate it?
>
I did it, but looking some places after a google search, I found
someone saying that virt-manager does not create this file in
/etc/xen. Instead, it is created at
/var/lib/xend/domains/<guest-uid-number>/config.sxp

I have made symlink to that file. When I shutdown/reboot the host, and
guests are online, they are saved. When turning on the host or after
rebooting, guests become online too. But if guests  are down, they
continue down after reboot. Is this correct? Can I say that autostart
is working?

Thanks!

Regards,

-- 
Augusto Castelan Carlson

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Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

> that doesn''t make any sense to me. First, most distributions have
also a
> Xen Script /etc/init.d/xendomains that starts the DomUs automatically.
> Second, i don''t now the virt-manager, but create a config file and
start
> DomUs are two things.
I have  xendomains enabled. So when guests are online and host is
reboot/shutdown, they will become online after rebooting/power on. If
they are offline, they will not start after a reboot?

Thanks!
Regards,
-- 
Augusto Castelan Carlson

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Xen-users mailing list
Xen-users@lists.xensource.com
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hi,

Augusto Castelan Carlson schrieb:
> rebooting, guests become online too. But if guests  are down, they
> continue down after reboot. Is this correct? Can I say that autostart
> is working?
ah, ok, please ignore my first mail. :-)

If the guest is running and the Dom0 would be restarted, or shutting
down, then you are right, the VMs are saved and restored after starting
the Dom0 again.

But for starting the guest after a reboot, while the guest was not
running at this time, please check, if the link exists to xen/auto/<link
to guest config> and if you have a special init starting script for that.

cu denny

-- 
Stoppt den Überwachungswahn - Stoppt den Schäuble Katalog:
http://www.nopsis.de



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Denny Schierz wrote:
> hi,
>
> Nico Kadel-Garcia schrieb:
>   
>>> I have read about the symlink from /etc/xen to /etc/xen/auto, but
when
>>> I create my guest using virt-manager (fedora 7) it does not create
the
>>> guest''s config file at /etc/xen/
>>>
>>> Any suggestion?
>>>   
>>>       
>> That''s news to me. Where does it put it? Can you do a
"find /etc -name
>> [domain]" to locate it?
>>     
>
> that doesn''t make any sense to me. First, most distributions have
also a
> Xen Script /etc/init.d/xendomains that starts the DomUs automatically.
> Second, i don''t now the virt-manager, but create a config file and
start
> DomUs are two things.
>
> cu denny
>   
Virt-manager, in earlier releases, creates a file for a new DomU called, 
say, "DOMAIN", in /etc/xen/DOMAIN.

It''s easy to miss those files among the other scripts and configuration
files in /etc/xen, especially if you''ve been experimenting and doing 
lots of them, which is why I suggested a "find" command to look around
for it. But checking the Xen init scripts is another good idea.

I''ve heard rumors of RedHat wanting to make the Xen configuration 
information database driven: this would allow tools like virt-manager to 
more correctly guess what domains exist but are turned off. But I dunno: 
if the authors of virt-manager can''t be bothered to write a tool to 
actually scan for config files and list them as well......

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