Boot XEN dom0
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2013-02-18, 12:37
Post: #1
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Boot XEN dom0
Hi,
I want to boot a XEN dom0 over iPXE, however it seems that iPXE does not support gzip and XEN cannot be compiled as a bzimage ? What would be the best solution here? Currently mboot.c32 is simply hanging. I'm running: Debian kernel 3.8-rc6 XEN 4.2 syslinux 4.05 iPXE from git Thanks Regards Kristoffer |
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2013-02-19, 11:01
(This post was last modified: 2013-02-19 11:01 by robinsmidsrod.)
Post: #2
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RE: Boot XEN dom0
Run mboot.c32 via PXELinux, or compile ipxe with support for IMAGE_COMBOOT and use mboot.c32 directly from iPXE. *.c32 support is no longer part of the default compilation options.
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2013-02-19, 12:28
Post: #3
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RE: Boot XEN dom0
Hi,
mboot.c32 via pxelinux works - but mboot.c32 directly from iPXE gives "Exec format error" (http://ipxe.org/2e008001) when booting the .gz kernel, even with COMBOOT support - can you give any hints why? iPXE conf is: kernel mboot.c32 chain xen-4.2.0-rc4.gz --- vmlinuz-3.8.0-rc6 --- initrd.img-3.8.0-rc6 |
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2013-02-21, 22:06
(This post was last modified: 2013-02-21 22:24 by robinsmidsrod.)
Post: #4
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RE: Boot XEN dom0
Most likely because you're using an mboot.c32 that is from syslinux version 4.xx, which is not supported by iPXE. Only versions prior to 4.00 are supported.
I also believe the correct iPXE command is (all on one line): Code: chain mboot.c32 xen-4.2.0-rc4.gz --- vmlinuz-3.8.0-rc6 --- initrd.img-3.8.0-rc6 |
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2013-02-22, 11:51
Post: #5
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RE: Boot XEN dom0
Tried with syslinux 3.86 and:
chain http://192.168.1.1/mboot.c32 http://192.168.1.1/xen-4.2.0-rc4.gz --- http://192.168.1.1/vmlinuz-3.8.0-rc6-customversion --- http://192.168.1.1/initrd.img-3.8.0-rc6-customversion Getting mboot.c32 Boot failed. Might work with 3.20, according to some redhat forum, but pxelinux is good enough for me for now. Thanks |
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2014-09-01, 11:09
Post: #6
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RE: Boot XEN dom0
Hi,
I'm trying to install xenserver 6.2.0 on my server, and I want to use iPXE. My server doesn't have cd-rom and integrated network controller is busted, but iPXE works with my wireless card. I had no luck with creating reliable USB boot stick, and on top of that it is a headless server with no video output, therefore my options are pretty much limited to iPXE unattended install through wireless connection. In xenserver documentation there is a guide on how to perform install using PXE, but if I understand correctly it won't directly apply to how to perform iPXE installation. What I'd need to do to make it work? I understand that it is possible, but is it feasible for me to do it, if my experience with PXE/iPXE/xenserver is limited? Please point me in the right direction. Let me know, xezzy |
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2014-09-05, 09:50
Post: #7
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RE: Boot XEN dom0
You might find this info that was recently added to the wiki useful: http://ipxe.org/appnote/xenserver
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