Re: [Xen-users] Installing two versions of xen on the same machine

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

On Tue, Sep 8, 2009 at 4:53 AM, shankha<shankhabanerjee@xxxxxxxxx> wrote:
> Hi,
> I am trying to use a new version of the hypervisor. I am not trying to
> install a new version of the  kernel.

In that case you don't need to install kernel 2.6.18-8 if you don't
want to. You can use your existing kernel.
However installing hypervisor and userland tools will overwrite some
files installed by your OS if your OS already has its own Xen version.

-- 
Fajar

>
> thanks
>
> On Mon, Sep 7, 2009 at 5:37 PM, Fajar A. Nugraha<fajar@xxxxxxxxx> wrote:
>> On Tue, Sep 8, 2009 at 3:57 AM, shankha<shankhabanerjee@xxxxxxxxx> wrote:
>>> Hi,
>>> Thanks for your reply. Could you please let me know what is the
>>> problem with my mkinitrd command. Is it because i may have forgot to
>>> copy some part of the installation.
>>
>> Installing a new KERNEL (including xen kernel) should be "safe" (as in
>> it shouldn't overwrite anything you already have) assuming it's
>> version is different from what you have. It's easier to simply run
>> "make modules_install" and "make install" on kernel build directory.
>>
>> Installxing Xen however, is more then just the kernel. It also
>> installs hypervisor userland tools (e.g. xm, xend, etc.), which most
>> likely will overwrite what you already have. Which is why I said you
>> can only have one version of Xen.
>>
>> What are you trying to do here? Use a new kernel or use a new Xen
>> version? Those two does not necessarily be done at the same time. If
>> you only want a new Xen version, usually you can just use kernel-xen
>> provided by your distro and simply install the hypervisor (xen.gz) and
>> userland tools.
>>
>> Here's a hint : trying out different versions of Xen is actually
>> easiest on RHEL5, thanks to Gitco's repository
>> http://www.gitco.de/repo/.
>>
>>> IF yes can we make a wild guess.
>>> Also what are the correct options that should be used while creating
>>> the image.
>>
>> man mkinitrd? I'm not familiar enough with Suse, but as I recall its
>> option is slightly different from Redhat's.
>>
>> --
>> Fajar
>>
>

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