Re: [Xen-users] General question on running guests from installed OS

["Srinivasan S" <ssrini@xxxxxxxxxxxxx>]

Hi Philip

As far as I know I tried this by disabling selinux .. I will anyway double 
check.

Further google searches actually indicate that quite a few people seem to have 
this problem but there does not seem to be a clear solution.  Anyway I will 
keep trying.

Thank again
Srini

> ----- Original Message -----
> From: "Philipp Jäggi" <philipp.jaggi@xxxxxxx>
> To: "Srinivasan S" <ssrini@xxxxxxxxxxxxx>
> Subject: Re: [Xen-users] General question on running guests from installed    
> OS
> Date: Wed, 19 Apr 2006 09:07:54 +0200
> 
> 
> Hello Srini
> 
> Wrote an mail to Fedora Xen mailing list, but I think they kicked it out.
> But it included some answers to the questions you have. So I've pasted the
> mail below...
> 
> Hope this helps you a little bit.
> 
> 
> bye Philipp
> 
> 
> ==================================================== beginning of the
> email ===========================================================
> 
> 
> Dear Robert
> 
> First of all, I've had the same questions and problems as you have now.
> This style of none documentation by the fedora team is just a shame for
> the whole open source community! Probably Jeremy Katz is too busy by
> meeting his new board members friends, so that he has no more time to
> write just a little documentation with explanations, not just a unusable
> mini mini howto.
> 
> What the big problem is behind the FC5 and Xen implementation is, that the
> xen guys at fedora have no idea what SELinux is doing. So, finally they
> made an implementation of xen and SELinux that is not usable. If you don't
> want to spend two weeks configuring your SELinux, you have to decide, if
> you use in future SELinux or Xen (By the way, the same issues you have
> with httpd and SELinux).
> 
> So my personal proposal is, that you just disable SELinux wherever you
> find it on your FC5 installation. After disabling SELinux (you have to
> reboot so that everything works fine, => Oh I like this old nice M$ Win95
> style of system management) you can use your xen config as you posted in
> your mail.
> 
> With the xenguest-install.py script you can't install FC4 or another
> distribution, because the FC5 guys made an adaptation of the anaconda
> system installer. By the way, this is a nice feature, because you can now
> kickstart your FC5 installation.
> 
> If you want to install a new non FC5 guest, do it in the old style. Create
> your devices with LVM and perform a yum groupinstall with
> --installdir=yourdevice.
> 
> As you can see, Fedora Core 5 is a typical example for bad IT Management.
> They tried to do a lot of thing in a short time. So several teams worked
> on different things and now, nothing really fits together. The whole
> implementation of the SELinux is a disaster. So for professional use, you
> have to go back to Fedora Core 4. Also because the oracle stuff is not
> working with the new glibc (it's not possible to start the listener...
> :-(). I by myself have to use FC5, because I need to kickstart my xen
> installation and need apache 2.2. If you don't need those features, use
> CentOS or the original RHES.
> 
> Hope I gave you the right hints.
> 
> 
> bye Philipp
> 
> 
> 
> ===============================================
> Philipp Jäggi
> SNCT Sandweiler
> bp 23
> L-5230 Sandweiler
> 
> +352 35'72'14'342
> 
> 
> 
> 
> 
> "Robert Mortimer" <rmortimer@xxxxxxxxxxxxxxxxxxxxxxxx>
> Sent by: fedora-xen-bounces@xxxxxxxxxx
> 04/18/2006 04:22 PM
> 
> To
> <fedora-xen@xxxxxxxxxx>
> cc
> 
> Subject
> [Fedora-xen] Running FC4 on FC5
> 
> 
> 
> 
> 
> 
> I am attempting to run an FC4 image on an FC5 machine
> I have prepped the image as per the FC4 quick start
> my xen config is as follows
> 
> kernel ="/boot/vmlinuz-2.6.13-1.1532_FC4xenU"
> memory = 100
> name = "vm01"
> vcpus = 1
> vif= ['mac=FE:FD:25:63:74:49']
> disk = [ 'file:/root/VM/fedora.img,sda1,w' ]
> root = "/dev/sda1"
> extra = "ro selinux=0 3"
> 
> All I get is
> 
> # xm create vm01
> Using config file "vm01".
> Error: Error creating domain: (22, 'Invalid argument')
> Has anyone got a simple 1 NIC guest config for FC4 on FC5
> 
> I see that the new FC5 uses
> An init image as part of the boot
> A python based boot loader
> and a python based install script
> 
> Is there any way to hack this lot to do an install like the FC5/FC5 one?
> How are the init images built?
> Will the new installer do other guest OS's in the future?
> 
> Robert
> 
> --
> Fedora-xen mailing list
> Fedora-xen@xxxxxxxxxx
> https://www.redhat.com/mailman/listinfo/fedora-xen
> 
> 
> ==================================================== end of the email
> ===========================================================
> 
> 
> ===============================================
> Philipp Jäggi
> SNCT Sandweiler
> bp 23
> L-5230 Sandweiler
> 
> +352 35'72'14'342
> 
> 
> 
> 
> "Srinivasan S" <ssrini@xxxxxxxxxxxxx>
> Sent by: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> 04/19/2006 06:39 AM
> 
> To
> xen-users@xxxxxxxxxxxxxxxxxxx
> cc
> 
> Subject
> [Xen-users] General question on running guests from installed OS
> 
> 
> 
> 
> 
> 
> Hi
> 
> First of all apologies for making all of you read this long email.  I have
> posted to multiple lists to get my setup running.  Inspite of enthusiastic
> help I have not got it running yet and hence this fundamental doubt.
> 
> I had a system running FC4 and Xen 2.x.  The same system had normal
> installations of Suse and Ubuntu.  I had a running setup wherin I started
> xen0 in FC4 and was able to run the installed Suse and Ubuntu as guests
> within FC4.  (This worked perfectly and I was able to connect to the
> guests using both RealVNC and FreeNX.)
> 
> I have now upgraded to FC and have been attempting to get the same setup
> running.  I first tried with the official Xen tarballs.  Not successful, I
> then tried yesterday with the FC5 xen kernels.  No success.  The problem
> in both cases is that Suse and Ubuntu guests load but virtual networking
> does not work.  Only lo interface is up.  On the main FC5 xen0 domain, I
> am able to see vifx.x being added as and when a guest boots up, but the
> guest itself is without an interface.
> 
> Various searches on Google finally got me one hint on loading module
> xennet (for FC5) which I did in modprobe.conf.  Same result.
> 
> Search on web got me guides to load guests from images, starting guest
> installs from fedora, debian etc but could not find any info on running
> already installed linux distros within Xen.  The closet was in the xen
> manual which explains how to make an image of an installed linux distro
> and then running the image within xen.
> 
> Question:  Is what Iam trying to achieve possibly with Xen 3.x (since it
> worked with 2.x) ?  If yes can anyone help ?  My guest config file is a
> very simple one :
> 
> kernel = << Tried both the xen kernel and the FC5 xenU kernel >>
> memory = 100
> name = "suseguest"
> vif= ['mac=aa:00:10:00:00:10, bridge=xenbr0, ip=192.168.2.2']
> Also tried vif= ['']
> gateway = "192.168.1.1"
> netmask = "255.255.255.0"
> disk = ['phy:hdc3,hdc3,w']
> Also tried disk = ['file:/dev/hdc3,hdc3,w']
> root = "/dev/hdc3 rw"
> 
> Please note that OpenSUSE is installed on /dev/hdc3
> 
> All help is appreciated in resolving this.
> 
> Thanks and Best Regards
> Srini
> 
> --
> _______________________________________________
> Check out the latest SMS services @ http://www.linuxmail.org
> This allows you to send and receive SMS through your mailbox.
> 
> Powered by Outblaze
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

>


-- 
_______________________________________________
Check out the latest SMS services @ http://www.linuxmail.org
This allows you to send and receive SMS through your mailbox.

Powered by Outblaze

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