On 11-07-18 8:26 AM, "Steve Campbell" <campbell@xxxxxxxxxxxx> wrote: > > > On 6/28/2011 10:50 AM, Ed Heron wrote: >> On Tue, 2011-06-28 at 09:30 -0400, Steve Campbell wrote: >>> Mr. Heron was so kind to make a suggestion that I should use disk images >>> to install VMs. Upon further thought, I kinda like the idea. So I >>> re-read the manual and google a little, and discover I still don't know >>> what should be in these disk images. >>> >>> Should I copy the contents of the CDs to a file or what? I've got a test >>> server at the moment with Centos 5.5 and xen installed as the host OS, >>> but have just downloaded the 5.6 CD ISOs along with the DVD ISO, so >>> I'll use 5.6 for my VMs. I've read about how I can create an image from >>> something that already exists. >>> >>> Again, any clarity would be appreciated. >> Just put the ISO's in /var/lib/xen/images and point at them. If you >> didn't download the discs, you can rip them using: >> >> dd if=/dev/<optical device> of=/var/lib/xen/images/<name of disc> >> >> For example, if ripping the first 5.6 CD... >> >> dd if=/dev/hdc of=/var/lib/xen/images/CentOS-5.6-i386-d1.iso >> >> I generally rip a disc multiple times and then do a file compare to make >> sure I've got a reasonable chance of having an undamaged copy. >> >> Keep in mind that it isn't as easy to change discs when you are using >> images on a paravirtual machine. >> >> I still recommend setting up a local repository as a much better >> solution because it allows you to take a snapshot so multiple installs >> use the exact same versions of everything. >> >> > > I moved the iso images to a folder under /var/lib/xen/images and > selected it during an install for a new VM. I've run into a problem I've > not yet seen before. The first iso is used just fine, but the second is > "Not accessible", and nothing I can discover works. > > So, should the ISOs be moved directly to the images folder instead of a > folder below images? Does it matter whether I just copy the iso files > (actually, I used scp) or do they need to be run through dd? > If you have SELinux enabled then it could be denying access to images in a 'non-standard' folder. Try putting them directly in the images folder, or alternatively, if you don't care about SELinux, setting SELinux to Permissive or Disabled. Cheers, Kelvin _______________________________________________ CentOS-virt mailing list CentOS-virt@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos-virt
