debuggers.hg

changeset 21044:fd6946ad6816

[PV-GRUB DOC] Add details to PV-GRUB documentation

Add a couple of documentation details about PV-GRUB support

- the menu.lst content can be passed as a ramdisk.
- virtual partitions are not supported.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
author Keir Fraser <keir.fraser@citrix.com>
date Fri Mar 05 14:30:45 2010 +0000 (2010-03-05)
parents b8d2a4134a68
children e9d4cb54c551
files stubdom/README
line diff
     1.1 --- a/stubdom/README	Wed Mar 03 17:41:58 2010 +0000
     1.2 +++ b/stubdom/README	Fri Mar 05 14:30:45 2010 +0000
     1.3 @@ -52,11 +52,17 @@ kernel = "pv-grub.gz"
     1.4  
     1.5  extra = "(hd0,0)/boot/grub/menu.lst"
     1.6  
     1.7 -you can also use a tftp path (dhcp will be automatically performed):
     1.8 +or you can provide the content of a menu.lst stored in dom0 by passing it as a
     1.9 +ramdisk:
    1.10 +
    1.11 +ramdisk = "/boot/domU-1-menu.lst"
    1.12 +
    1.13 +or you can also use a tftp path (dhcp will be automatically performed):
    1.14  
    1.15  extra = "(nd)/somepath/menu.lst"
    1.16  
    1.17 -or you can set it in option 150 of your dhcp server and leave extra empty
    1.18 +or you can set it in option 150 of your dhcp server and leave extra and ramdisk
    1.19 +empty (dhcp will be automatically performed)
    1.20  
    1.21  Limitations
    1.22  ===========
    1.23 @@ -69,6 +75,13 @@ export XEN_TARGET_ARCH=x86_32
    1.24  - bootsplash is supported, but the ioemu backend does not yet support restart
    1.25  for use by the booted kernel.
    1.26  
    1.27 +- PV-GRUB doesn't support virtualized partitions. For instance:
    1.28 +
    1.29 +disk = [ 'phy:hda7,hda7,w' ]
    1.30 +
    1.31 +will be seen by PV-GRUB as (hd0), not (hd0,6), since GRUB will not see any
    1.32 +partition table.
    1.33 +
    1.34  
    1.35                                  Your own stubdom
    1.36                                  ================