Re: Question about the best practice to install two versions of Xen toolstack on the same machine

[Wei Liu <wei.liu2@citrix.com>]

On Tue, May 24, 2016 at 04:47:38PM -0400, Meng Xu wrote:
> Hi Olaf,
> 
> Thank you very much for your suggestion!
> 
> On Fri, May 20, 2016 at 4:52 AM, Olaf Hering <olaf@aepfle.de> wrote:
> > On Thu, May 19, Meng Xu wrote:
> >
> >> Does anyone try to install two version of Xen toolstack on the same machine?
> >
> > I do that. See the INSTALL file which has examples at the end:
> >
> > * To build a private copy of tools and xen:
> > configure --prefix=/odd/path --sysconfdir=/odd/path/etc --enable-rpath
> > make
> > sudo make install BOOT_DIR=/ood/path/boot EFI_DIR=/odd/path/efi
> >
> 
> I'm wondering if  BOOT_DIR=/ood/path/boot and EFI_DIR=/odd/path/efi is a must?
> I'm using the grub2 to boot the kernel (so that I can remotely control
> which grub entry I will get into).
> 
> I put the xen image to /boot and the system can boot up. The xl
> toolstack seems working well.
> 
> However, the dom0's name is null.
> 
> When I run /ood/path/etc/init.d/xencommons restart , it reports the
> following message:
> 
> Stopping xenconsoled
> Stopping QEMU
> WARNING: Not stopping xenstored, as it cannot be restarted.
> Starting xenconsoled...
> Starting QEMU as disk backend for dom0
> 
> I guess there is something wrong with the xenstored's configuration?
> Did you happen to experience this issue before?
> 
> 

I think xenstored is running fine.

If you're using systemd, there should be a service called xen-init-dom0
that needs to be started. That small program does a bunch of things
including setting the name for Dom0 in xenstore.

Wei.

> Thanks and Best Regards,
> 
> Meng
> -----------
> Meng Xu
> PhD Student in Computer and Information Science
> University of Pennsylvania
> http://www.cis.upenn.edu/~mengxu/
> 
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