You missed, that I am migrating not only my packages, but my whole virtual machine from paravirtualized Xen to paravirt. driver KVM. This mkinitrd magic is only required for disk driver change (xenblk_front to virtio_blk). So it's something different, like your upgrade of CentOS. SAL On Wed, Jan 21, 2009 at 01:47:34PM -0500, Dustin Henning wrote: > It is probably worth noting that if someone were to run a kernel > update with a package manager after getting this working (using information > from later posts in this thread), they would need to do a manual mkinitrd. > At least that was my experience some time ago when switching from hda to sda > in CentOS, future kernel-xen versions installed via yum tried to boot to hda > and failed. However, I think I actually recompiled originally, though, as > opposed to adding the new drivers to initrd, so I could be wrong. > Dustin > > -----Original Message----- > From: fedora-xen-bounces@xxxxxxxxxx [mailto:fedora-xen-bounces@xxxxxxxxxx] > On Behalf Of Mark McLoughlin > Sent: Wednesday, January 21, 2009 08:49 > To: Jan ONDREJ (SAL) > Cc: Fedora Xen > Subject: Switching from IDE to virtio_blk [qas Re: Goodbye Xen > on RH/Fedora?] > > (This is all getting offtopic for fedora-xen, we should really move to > fedora-virt) > > On Wed, 2009-01-21 at 14:28 +0100, Jan ONDREJ (SAL) wrote: > > virtio_net works well, but I have trouble to boot from virtio_blk. > > > > I can add second disk as virto block device, but I can't boot from > > first disk. > > When switching from IDE to virtio, you need to first build a new initrd > in the guest with e.g.: > > $> mkinitrd --with virtio_pci --with virtio_blk -f > /boot/initrd-$(kernelversion) $(kernelversion) > > You only need to do this once. After that, if a new kernel is installed > while you're booted off a virtio disk, then mkinitrd will include the > modules automatically. > > Cheers, > Mark. > > -- > Fedora-xen mailing list > Fedora-xen@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/fedora-xen > -- Fedora-xen mailing list Fedora-xen@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-xen
