Re: [Xen-users] PXE booting XenServer 6.2

[Alexandre Kouznetsov <alk@xxxxxxxxxx>]

Hello.

El 09/07/13 08:17, Prasanna Santhanam escribió:
> On Mon, Jul 08, 2013 at 02:24:32PM +0000, Joseph Hom wrote:
> > Try removing all the extra consoles. Also maybe specify a ramdisk
> > for root. I usually have something like this for my pxe cmdline and
> > it installs 6.2.0 without issues.
> >
> >    append XENSERVER_6.2.0_64/xen.gz --- XENSERVER_6.2.0_64/vmlinuz
> >    root=/dev/ram0 ramdisk_size=32758 atexit=shell
> >    answerfile=http://answerfile install ---
> >    XENSERVER_6.2.0_64/install.img
> Thanks, I tried this and it worked for xcp 1.6 and xen 6.0.2 but
> didn't for xen 6.2. Still stuck on the console line:
> http://prntscr.com/1eektk
I'm successfully booting XS 6.2 installation via PXE. So far it boots on 
a VirtualBox VM, but can't get beyond networking detection. It seems 
something is wrong with the dhclient in XS 6.2 initrd. I have not tested 
it on physical hardware yet.
Maybe yours is the same problem, maybe not. This are some points worth 
checking:
1. Make sure the option "redirect console after boot" is disabled in 
your BIOS. I'm not sure what this option is intended for, but I find it 
messes up things when playing with serial console. It is not needed to 
be enabled for a serial console setup with Linux.
2. When using serial console, on previous versions of Xen, I have seen 
some output to be missed, it was not copied to both, the physical and 
serial console. My solution was to decide which I use and not to count 
on the other one. Since you are using a iDRAC card, which gives you a 
"normal" graphical console, consider dropping the serial console and 
omit it's reference from the boot configuration.
3. Check your serial ports configuration in BIOS. What is mapped as 
com1, the internal port or the external one? If it's external and there 
is something connected to it, it may confuse the console.
4.Check the debug virtual console (Alt-F2, hope your iDRAC can do it). 
It's possible that something went wrong with your answers file or 
networking detection.
5. Try booting without answers file first. With answers file, since the 
process is supposed to be unattended, the feedback is poor.

This is my boot configuration (mostly copied from my XCP 1.6 install setup):
  append deploy/XenServer-6.2.0-install-cd/boot/xen.gz dom0_mem=752M 
com2=115200,8n1 console=com2,vga --- 
deploy/XenServer-6.2.0-install-cd/boot/vmlinuz console=tty0 xencons=hvc 
console=hvc0 --- deploy/XenServer-6.2.0-install-cd/install.img
For reference, in production I use serial console on com2, mapped to my 
PowerEdge's internal serial port, which I access via IPMI SOL.
Greetings.

--
Alexandre Kouznetsov


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