Migrating old SL 5 Xen server and guests to SL 6

2015-02-20 Thread Nico Kadel-Garcia
I'm dealing with a Xen 3 server on SL 5 operating system with SL 5 para virtualized guests on it. But I'm having a heck of a time updating guests, getting them CD booted with console access to start the process. Any good pointers with the Xen 3.x built into SL 5 would be welcome. I know it's ma

Re: Migrating old SL 5 Xen server and guests to SL 6

2015-02-20 Thread Steven Timm
It depends how you set up your Xen on SL5 initially.. If you installed them with virt-install and they are installed on a whole device (/dev/xvda, etc.) then it is pretty easy to flip over to kvm or bring forward to sl6 and beyond. If you installed them on individual file systems, e.g. /dev/sda1,

Re: Migrating old SL 5 Xen server and guests to SL 6

2015-02-20 Thread Steven Haigh
Configuation wise - it should be pretty much the same. I haven't changed my config template for *many* years and it still works with SL6 and Xen 4.5.0. If you followed the best practices back in the day, you used LVM as the storage method and have an LV for each DomU that you run. The only real t

Re: Migrating old SL 5 Xen server and guests to SL 6

2015-02-20 Thread Nico Kadel-Garcia
Throwing out old manually defined files from /etc/xen and starting with virt-install is allowing me to install fully virtualized CentOS and SL 6 servers for now. I'm afraid I'll have to wait until updating the Xen server to switch them to para-virtualization, which I'd really prefer. Nico Kadel

Re: Migrating old SL 5 Xen server and guests to SL 6

2015-02-20 Thread Steven Haigh
That'll be fun to debug later ;) I think from memory the problem with EL5 was that you had to run the kernel-xen package - as it wasn't included in the stock kernel. It'd also be easier to do a netinstall vs a CD install and supply it the vmlinuz / initrd of the xen installer. Either way, Xen 3 h