[Xen-users] pygrub vs. pv-grub

[Chris Dickson <chrisd1100@xxxxxxxxx>]

Hello all, I've been using pygrub successfully as my bootloader but I recently ranÂacrossÂthis and I'm wondering if anyone has any insight:

http://wiki.xensource.com/xenwiki/PvGrub

This says that pv-grub is a replacement for pygrub that loads the kernel and initrd from within the domU safely. As far as I knew, pygrub does this as well in my recent Xen 4.1 installation, however I know that pygrub has to read the kernel and initrd out of the domU for a moment to boot it. My Xen 4.1 installation does not seem to come with any pv-grub gzip files as are shown in the documentation. Has pygrub since replaced pv-grub, or is pv-grub still in existence and if so what is the difference? Can pv-grub actually use the installed grub from within the domU without ever reading anything from within the domU outside in dom0?

Thank you,

Chris

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