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

[David Li]

Hi Fabian,

Does the stateless ovirt node have the VDSM built-in? 

David



>________________________________
> 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, December 5, 2013 11:47 PM
>Subject: Re: [Users] How to pxeboot ovrit node into memory automatically?
> 
>
>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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