On Fri, Feb 20, 2015 at 09:56:46AM -0500, Nico Kadel-Garcia wrote: > I'm dealing with an old Xen 3 server, and badly need to update it and all > the vm's on it to more contemporary operating systems. So far, so good! > Can the Xen server on CentOS 5 para-virtualized CentOS 6? > Yes, CentOS 5 Xen host can run CentOS 6 PV domUs. Or CentOS 6 HVM guests. > And if not, I'm having real trouble getting a live cd or installation media to boot in > full virtualization to do the update of the guests. > I'd normally start by updating the Xen server first, but that's not > workable right now. > Yeah CentOS 6 runs as Xen HVM (fully virtualized) aswell. With or without PV drivers (PVHVM). -- Pasi > Nico Kadel-Garcia > Email: n[1]kadel@xxxxxxxxx > Sent from iPhone > On Feb 18, 2015, at 11:59, SilverTip257 <[2]silvertip257@xxxxxxxxx> wrote: > > On Wed, Feb 18, 2015 at 3:10 AM, C. L. Martinez > <[3]carlopmart@xxxxxxxxx> wrote: > > On Tue, Feb 17, 2015 at 1:43 PM, Sven Kieske <[4]s.kieske@xxxxxxxxxxx> > wrote: > > > > > > On 17/02/15 09:18, C. L. Martinez wrote: > >> Hi all, > >> > >> How can I stop/disable a nic in a virtual guest using a virsh > >> command?? I am searching the same effect like if I unplug network > >> cable ... Is it possible?? I have tried with "detach-interface" > >> command without luck. I don't want to remove the nic from guest > >> configuration, only to stop the nic ... > > > > Depending on your network architecture you could just ifdown > > the vmnet, but this just works if you don't have multiple > > vms on one vmnet (which you shouldn't). > > > > HTH > > > > -- > > Ok, to do a ifdown of virtual bridge it seems the only option. > > Many thanks to all for your answers. > > * Definitely look to Juerg Haefliger's solution. It's exactly what you > want since you requested a method that can be done from the virsh > interface. Thanks Juerg! > 1) down the vnetX interface from the host node > ip link show dev vnetX > ip link set down vnetX > ip link show dev vnetX > And if using bridged networking, you have one more option. > 2) remove the vnetX interface from the bridge > brctl delif <bridge_int> vnetX > Certainly downing the interface using either Juerg's solution via virsh > or mine via iproute2 tools is most ideal since it's easier/simpler to > reinstate. You can use ifconfig if you prefer it over ip tools, but > enjoy those tools and syntax while it remains! [0] ;-) > [0] [5]https://dougvitale.wordpress.com/2011/12/21/deprecated-linux-networking-commands-and-their-replacements/ > -- > ---~~.~~--- > Mike > // SilverTip257 // > > _______________________________________________ > CentOS-virt mailing list > [6]CentOS-virt@xxxxxxxxxx > [7]http://lists.centos.org/mailman/listinfo/centos-virt > > References > > Visible links > 1. mailto:kadel@xxxxxxxxx > 2. mailto:silvertip257@xxxxxxxxx > 3. mailto:carlopmart@xxxxxxxxx > 4. mailto:s.kieske@xxxxxxxxxxx > 5. https://dougvitale.wordpress.com/2011/12/21/deprecated-linux-networking-commands-and-their-replacements/ > 6. mailto:CentOS-virt@xxxxxxxxxx > 7. http://lists.centos.org/mailman/listinfo/centos-virt > _______________________________________________ > CentOS-virt mailing list > CentOS-virt@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos-virt _______________________________________________ CentOS-virt mailing list CentOS-virt@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos-virt
