[Users] How to pxeboot ovrit node into memory automatically?

Fri Dec 6 07:47:06 UTC 2013

Am Donnerstag, den 05.12.2013, 16:30 -0800 schrieb David Li:
> Hi Fabian,
> 
> I think the bad route is a link local route 169.254.0.0/16. I am not quite sure if it's a real bug but in my case I have to remove this route.
> Also I am using ramdisk based node without a local disk. Can anything be persisted? 

Hey David,

when you refer to stateless mode, then no, nothing can be persisted.
Regarding the bug - Please provide the whole cmdline you are using to
boot the node, to give me a chance to reproduce it.

- fabian

> David
> 
> 
> 
> ----- Original Message -----
> > From: Fabian Deutsch <fabiand at redhat.com>
> > To: David Li <david_li at sbcglobal.net>
> > Cc: "users at ovirt.org" <users at ovirt.org>
> > Sent: Wednesday, December 4, 2013 11:17 AM
> > Subject: Re: [Users] How to pxeboot ovrit node into memory automatically?
> > 
> > Am Montag, den 02.12.2013, 13:53 -0800 schrieb David Li:
> >>  Hi Fabian,
> >> 
> >>  Everytime the ovirt node boots up, it adds a route entry that I have to 
> > manually remove. Otherwise it messed up my routing. 
> >>   How do I modify the boot scripts to automatically remove it?
> > 
> > Hey David,
> > 
> > could you file a bug for that route problem?
> > 
> > You can try the following workaround:
> > 
> > # Create /etc/rc.d/rc.local with the commands to run
> > $ vi /etc/rc.d/rc.local
> > $ chmod a+x /etc/rc.d/rc.local
> > $ persist /etc/rc.d/rc.local
> > 
> > /etc/rc.d/rc.local should then be run on every boot.
> > 
> > - fabian
> > 
> >>  ----- Original Message -----
> >>  > From: Fabian Deutsch <fabiand at redhat.com>
> >>  > To: David Li <david_li at sbcglobal.net>
> >>  > Cc: "users at ovirt.org" <users at ovirt.org>
> >>  > Sent: Monday, October 28, 2013 7:45 AM
> >>  > Subject: Re: [Users] How to pxeboot ovrit node into memory 
> > automatically?
> >>  > 
> >>  > Am Montag, den 28.10.2013, 07:42 -0700 schrieb David Li:
> >>  >> 
> >>  >>  Hi Fabian,
> >>  >> 
> >>  >>  Yes rootpwd worked too! Thanks.
> >>  >> 
> >>  >>  Two new problems:
> >>  >> 
> >>  >>  But I found there is no networking for the stateless node.
> >>  >>  What kernel boot options are used to either use DHCP  or 
> > statically 
> >>  > configure the IP address for an interface on the node?
> >>  >> 
> >>  >>  I also need to have the sshd enabled. Is there a kernel option 
> > for that?
> >>  > 
> >>  > Hey David,
> >>  > 
> >>  > here you can find all the supported boot params in ovirt node:
> >>  > 
> > http://gerrit.ovirt.org/gitweb?p=ovirt-node.git;a=blob;f=scripts/ovirt-init-functions.sh.in;h=c4280caefb89c77afc1e8bec8c925aa7f3039733;hb=HEAD#l214
> >>  > 
> >>  > Greetings
> >>  > fabian
> >>  > 
> >>  >>  David
> >>  >> 
> >>  >> 
> >>  >> 
> >>  >>  ----- Original Message -----
> >>  >>  > From: Fabian Deutsch <fabiand at redhat.com>
> >>  >>  > To: David Li <david_li at sbcglobal.net>
> >>  >>  > Cc: "users at ovirt.org" <users at ovirt.org>
> >>  >>  > Sent: Friday, October 25, 2013 9:10 AM
> >>  >>  > Subject: Re: [Users] How to pxeboot ovrit node into memory 
> >>  > automatically?
> >>  >>  > 
> >>  >>  > Am Freitag, den 25.10.2013, 08:57 -0700 schrieb David Li:
> >>  >>  >>  Hi Fabian,
> >>  >>  >> 
> >>  >>  >>  That kernel option worked for me!  The node is booted 
> > up in RAM. 
> >>  > Thanks!
> >>  >>  >> 
> >>  >>  >>  My next question is:
> >>  >>  >> How do I specify the root login and passwd as boot 
> > parameters? 
> >>  >>  > 
> >>  >>  > Hey David.
> >>  >>  > 
> >>  >>  > Nice that it worked! Were you able to register to the 
> > Engine?
> >>  >>  > 
> >>  >>  > You can use the adminpw= and rootpw= kernel arguments to set 
> > 
> >>  > passwords.
> >>  >>  > use
> >>  >>  > $ openssl passwd -salt 42
> >>  >>  > to create one or two passwords
> >>  >>  > 
> >>  >>  > Greetings
> >>  >>  > fabian
> >>  >>  > 
> >>  >>  >>  David
> >>  >>  >> 
> >>  >>  >> 
> >>  >>  >> 
> >>  >>  >> 
> >>  >>  >>  ----- Original Message -----
> >>  >>  >>  > From: Fabian Deutsch <fabiand at redhat.com>
> >>  >>  >>  > To: David Li <david_li at sbcglobal.net>
> >>  >>  >>  > Cc: "users at ovirt.org" 
> > <users at ovirt.org>
> >>  >>  >>  > Sent: Thursday, October 24, 2013 11:47 PM
> >>  >>  >>  > Subject: Re: [Users] How to pxeboot ovrit node 
> > into memory 
> >>  >>  > automatically?
> >>  >>  >>  > 
> >>  >>  >>  > Am Donnerstag, den 24.10.2013, 16:26 -0700 schrieb 
> > David Li:
> >>  >>  >>  >>  Hi,
> >>  >>  >>  >> 
> >>  >>  >>  >>  I was following the instructions at 
> >>  >>  > http://www.ovirt.org/Node_PXE. My goal 
> >>  >>  >>  > is to use pxeboot (iPXE) to boot the node entirely 
> > into RAM 
> >>  > with 
> >>  >>  > rootfs. What I 
> >>  >>  >>  > got now is an installation screen which requires a 
> > local 
> >>  > storage. My 
> >>  >>  > system has 
> >>  >>  >>  > no disk and this doesn't quite work for me. 
> >>  >>  >>  >> 
> >>  >>  >>  >>  What's are the kernel parameters I need 
> > to use to 
> >>  > boot the 
> >>  >>  > node into 
> >>  >>  >>  > RAM automatically?  I am OK as the first step with 
> > a 
> >>  > stateless node. 
> >>  >>  >>  > 
> >>  >>  >>  > Hey David,
> >>  >>  >>  > 
> >>  >>  >>  > the stateless mode is currently not completely 
> > working with 
> >>  > oVirt
> >>  >>  >>  > Engine. That means a Node needs to be approved 
> > each time it 
> >>  > boots into
> >>  >>  >>  > the stateless mode.
> >>  >>  >>  > The stateless mode can be entered by appending 
> > stateless to 
> >>  > the 
> >>  >>  > default
> >>  >>  >>  > kernel arguments.
> >>  >>  >>  > 
> >>  >>  >>  > Greetings
> >>  >>  >>  > fabian
> >>  >>  >>  > 
> >>  >>  > 
> >>  > 
> > 

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