[Users] How to pxeboot ovrit node into memory automatically?
Fabian Deutsch
fabiand at redhat.com
Thu Dec 12 10:40:05 EST 2013
Am Mittwoch, den 11.12.2013, 17:32 -0800 schrieb David Li:
> Hi Fabian,
>
> I booted the new node stateless. But how can connect to it from ovirt
> engine cli? The cli asks for three things: URL, user name and
> password. I am not sure how to put them on the kernel boot option
> line.
>
> David
>
>
>
Hey David,
please take a look here to find the correct cmdline:
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.0/html/Hypervisor_Deployment_Guide/sect-Deployment_Guide-Installing_Red_Hat_Enterprise_Virtualization_Hypervisors-RHEV_Hypervisor_Kernel_Parameters_and_Automated_Installation.html
- fabian
>
> ______________________________________________________________________
> From: Fabian Deutsch <fabiand at redhat.com>;
> To: David Li <david_li at sbcglobal.net>;
> Cc: users at ovirt.org <users at ovirt.org>;
> Subject: Re: [Users] How to pxeboot ovrit node into memory
> automatically?
> Sent: Wed, Dec 11, 2013 8:00:40 AM
>
>
> Am Dienstag, den 10.12.2013, 16:00 -0800 schrieb David Li:
> > Hi Fabian,
> >
> >
> > Does the stateless ovirt node have the VDSM built-in?
>
> Hey David,
>
> stateless is a feature or a special mode of oVirt Node which is also
> available on the "oVirt Node for oVirt Engine" image [1].
> But please note that you will have to approve the Node in Engine after
> each reboot if you use the stateless feature. This bug [2] might also
> tackle the problem of a stateless Node.
>
> - fabian
>
> --
> [1]
> http://resources.ovirt.org/releases/3.3/iso/ovirt-node-iso-3.0.3-1.1.vdsm.fc19.iso
> [2] https://bugzilla.redhat.com/show_bug.cgi?id=875088
>
> >
> > 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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