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From 0c4505463744dafcb2fdecd5d7317f5cdf573d42 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Mon, 8 Jun 2015 14:41:46 +0100
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Subject: [PATCH] p2v: Update documentation.
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- How to configure virt-p2v for PXE boot.
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- How to test PXE boot using qemu.
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(cherry picked from commit cca4343203f18367033a56139231ff2518ad6655)
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---
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p2v/virt-p2v-make-kickstart.pod | 42 ++++++++++++++++++++++++++++++++++++++++-
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p2v/virt-p2v.pod | 4 ++--
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2 files changed, 43 insertions(+), 3 deletions(-)
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diff --git a/p2v/virt-p2v-make-kickstart.pod b/p2v/virt-p2v-make-kickstart.pod
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index a17c34c..47ca737 100644
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--- a/p2v/virt-p2v-make-kickstart.pod
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+++ b/p2v/virt-p2v-make-kickstart.pod
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@@ -120,7 +120,9 @@ containing the files required to PXE boot virt-p2v:
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tftpboot/pxelinux.cfg:
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default
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-=head1 TESTING THE P2V ISO USING QEMU
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+=head1 TESTING VIRT-P2V USING QEMU
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+
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+=head2 TESTING THE P2V ISO USING QEMU
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You can use qemu to test-boot the P2V ISO:
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@@ -130,6 +132,44 @@ Note that C<-hda> is the (virtual) system that you want to convert
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(for test purposes). It could be any guest type supported by
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L<virt-v2v(1)>, including Windows or Red Hat Enterprise Linux.
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+=head2 TESTING PXE SUPPORT USING QEMU
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+
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+=over 4
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+
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+=item *
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+
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+Unpack the tftpboot directory into C</tmp> (so it appears as
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+C</tmp/tftpboot>).
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+
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+=item *
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+
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+Copy C<pxelinux.0> and C<ldlinux.c32> from syslinux (usually from
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+C</usr/share/syslinux>) into C</tmp/tftpboot>.
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+
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+=item *
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+
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+Adjust the C<APPEND> line in C</tmp/tftpboot/pxelinux.cfg/default> if
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+required. See L<virt-p2v(1)/KERNEL COMMAND LINE CONFIGURATION>.
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+
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+=item *
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+
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+Run qemu like this so that it acts as a TFTP and BOOTP server,
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+emulating a netboot:
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+
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+ qemu-kvm \
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+ -m 4096 -hda /tmp/guest.img \
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+ -boot n \
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+ -netdev user,id=unet,tftp=/tmp/tftpboot,bootfile=/pxelinux.0 \
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+ -device virtio-net-pci,netdev=unet \
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+ -serial stdio
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+
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+Note that this requires considerably more memory because the PXE image
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+is loaded into memory. Also that qemu's TFTP server is very slow and
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+the virt-p2v PXE image is very large, so it can appear to "hang" after
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+pxelinux starts up.
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+
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+=back
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+
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=head1 OPTIONS
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=over 4
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diff --git a/p2v/virt-p2v.pod b/p2v/virt-p2v.pod
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index 15e68bd..9c1dba1 100644
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--- a/p2v/virt-p2v.pod
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+++ b/p2v/virt-p2v.pod
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@@ -288,8 +288,8 @@ in the C<pxelinux.cfg> file. For example:
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TIMEOUT 20
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PROMPT 0
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LABEL p2v
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- KERNEL virt-p2v-vmlinuz
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- APPEND initrd=virt-p2v-initrd p2v.server=conv.example.com p2v.password=secret p2v.o=libvirt
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+ KERNEL vmlinuz0
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+ APPEND initrd=initrd0.img [....] p2v.server=conv.example.com p2v.password=secret p2v.o=libvirt
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You have to set some or all of the following command line arguments:
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--
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1.8.3.1
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