[CentOS] centos] Xen VM vanishes after creation

[Timothy Selivanow]

On Tue, 2007-08-28 at 00:15 +0200, Kai Schaetzl wrote:
> Timothy Selivanow wrote on Mon, 27 Aug 2007 14:55:15 -0700:
> 
> > As another poster already said...`man xm`.
> 
> Doesn't help, doesn't tell me how to start a VM that wasn't saved. No, "xm 
> create" does *not* do this.
> 
> Here's a hint: `/usr/sbin/xm
> > create ${config_file}`.  When you shutdown a guest it does leave the
> > list of running domains (i.e. what `xm list` shows you).  The default
> > location for VM configurations is '/etc/xen/'.  If you want them to
> > start at boot, sym-link the conf to '/etc/xen/auto/'.
> 
> And how do I start this VM in a running system? Or is booting it up when 
> xend boots up the only option? If so, then I don't see this mentioned 
> anywhere.
> 
> Kai
> 

I've used `xm create ${config_file}` many, many times.  It'll work :)

$ sudo /usr/sbin/xm list
Name                                      ID Mem(MiB) VCPUs State
Time(s)
Domain-0                               0      485     8 r----- 2838940.8
Domain_Services                         1      511     1 -b----   1962.0
Mail_Services                           2      511     1 -b----   1989.9
Web_Services                            3      511     2 -b----   4927.6

$ sudo /usr/sbin/xm shutdown Web_Services

$ sudo /usr/sbin/xm list
Name                                      ID Mem(MiB) VCPUs State
Time(s)
Domain-0                               0      485     8 r----- 2839060.6
Domain_Services                         1      511     1 -b----   1962.1
Mail_Services                           2      511     1 -b----   1989.9

$ sudo /usr/sbin/xm create /etc/xen/Web_Services
Using config file "/etc/xen/Web_Services".
Going to boot CentOS (2.6.18-8.1.8.el5xen)
  kernel: /vmlinuz-2.6.18-8.1.8.el5xen
  initrd: /initrd-2.6.18-8.1.8.el5xen.img
Started domain Web_Services

$ sudo /usr/sbin/xm list
Name                                      ID Mem(MiB) VCPUs State
Time(s)
Domain-0                               0      485     8 r----- 2839121.3
Domain_Services                         1      511     1 -b----   1962.1
Mail_Services                           2      511     1 -b----   1990.0
Web_Services                            4      512     2 r-----      2.4



-- 
Timothy Selivanow <timothys at easystreet.com>
Linux System Administrator
EasyStreet Online Services, Inc.  http://www.easystreet.com