Re: [Users] Pxeboot

Mike, I added adminpw as a kernel option. After boot, I tried "admin/abc123" and "root/abc123" but not able to login. Any idea?

David >-----Original Message----- >From: Mike Burns [mailto:mburns@redhat.com] >Sent: Wednesday, February 08, 2012 6:53 PM >To: Li, David >Cc: Perry Myers; users(a)ovirt.org >Subject: Re: [Users] Pxeboot > >On Wed, 2012-02-08 at 17:11 -0800, Li, David wrote: >> Ok, I built an iso out of archipel and pxebooted it with stateless option. Now >I got a "localhost" login prompt. Any idea what should I put in as user/pwd? >> David > >You will need to pass a password in on the command line as well > >adminpw=<hashed_password> > >You can generate the hashed password using: > >$ openssl passwd > >Assuming the password was abc123 > >$ openssl passwd abc123 >tKrQfufCbosr6 > >adminpw=tKrQfufCbosr6 > >Mike > >> >> >-----Original Message----- >> >From: Mike Burns [mailto:mburns@redhat.com] >> >Sent: Wednesday, February 08, 2012 4:31 PM >> >To: Li, David >> >Cc: Perry Myers; users(a)ovirt.org >> >Subject: RE: [Users] Pxeboot >> > >> >On Wed, 2012-02-08 at 15:43 -0800, Li, David wrote: >> >> Ok, I think we are on the same page now regarding stateless node. >> >> It looks like the achipel diff you just pulled in might be able to >> >> do this. But I can't quite make it out what the kernel option should be. >> >> Is it "stateless=1"? >> >> >> > >> >stateless=1 or just stateless, both will work. >> > >> > >> >> David >> >> >> >> >-----Original Message----- >> >> >From: Mike Burns [mailto:mburns@redhat.com] >> >> >Sent: Wednesday, February 08, 2012 3:27 PM >> >> >To: Li, David >> >> >Cc: Perry Myers; users(a)ovirt.org >> >> >Subject: Re: [Users] Pxeboot >> >> > >> >> >On Wed, 2012-02-08 at 15:19 -0800, Li, David wrote: >> >> >> Perry, >> >> >> >> >> >> I am glad you brought this up. >> >> >> I 'd be perfectly happy to run the root fs entirely in RAM. In >> >> >> fact that would >> >> >be ideal for me. It's just I am not quite sure how to use pxeboot >> >> >to achieve this. >> >> >> >> >> >> I am doing a test now using the tftpboot files created from the iso. >> >> >> As far as I see, the kernel boot options (pxelinux.cfg/default) has: >> >> >> >> >> >> root=live:/ovirt-node-image-2.2.2-1.1.fc16.iso >> >> >> >> >> >> With this I can only pxeboot to the intall screen. What should >> >> >> I use to let the >> >> >kernel mount the root fs in memory? Something like root=/dev/ram0? >> >> >> >> >> >> David >> >> > >> >> >It's not currently possible with ovirt-node. That's the whole >> >> >stateless feature that we outlined. Once we actually have it >> >> >implemented, it will be something along the lines of adding >> >> >"stateless" to >> >the kernel commandline. >> >> > >> >> >Mike >> >> >> >> >> >> >> >> >> >-----Original Message----- >> >> >> >From: Perry Myers [mailto:pmyers@redhat.com] >> >> >> >Sent: Wednesday, February 08, 2012 2:54 PM >> >> >> >To: Mike Burns >> >> >> >Cc: Li, David; users(a)ovirt.org >> >> >> >Subject: Re: [Users] Pxeboot >> >> >> > >> >> >> >On 02/08/2012 05:03 PM, Mike Burns wrote: >> >> >> >> On Wed, 2012-02-08 at 13:46 -0800, Li, David wrote: >> >> >> >>> Mike, >> >> >> >>> >> >> >> >>> If I understand this correctly, today I should be able to >> >> >> >>> pxeboot and nfs mount the root fs from a remote server. >> >> >> >>> Apart from setting up the pxe stuff, I 'd have to populate >> >> >> >>> the ovirt node root fs on the server >> >> >> >>> - perhaps steal it from a disk install. In other words I am >> >> >> >>> concerned about the point from which the kernel starts to >> >> >> >>> execute /init script (in the initramfs) to the point /init >> >> >> >>> is able to mount the final root fs from a remote server. >> >> >> >> >> >> >> >> No, there is no way to set this up currently in ovirt-node. >> >> >> >> You could install using a remote iscsi lun if you have a >> >> >> >> hardware iscsi HBA, but there isn't a way to mount a remote >> >> >> >> nfs share as the >> >root fs. >> >> >> >> >> >> >> >> Supporting a remote NFS share as the root fs isn't even >> >> >> >> something that requested as an RFE at this point or on the >> >> >> >> roadmap as far as I'm aware. >> >> >> >> >> >> >> >> It sounds like what you're really looking for is a shared >> >> >> >> root fs that multiple hosts could use. This is something >> >> >> >> that we will probably look into eventually, but it's not on >> >> >> >> the immediate >> >roadmap. >> >> >> > >> >> >> >Given that the rootfs of oVirt Node is fairly small and in a >> >> >> >truly stateless environment would just run out of system RAM, >> >> >> >there's no real reason to try to do a shared NFS based rootfs. >> >> >> >It's an unnecessary complication I think, if the end goal is to >> >> >> >move to truly >> >> >stateless. >> >> >> > >> >> >> >For larger systems where the rootfs is on the order of GB's, >> >> >> >shared root may make more sense. >> >> >> _______________________________________________ >> >> >> Users mailing list >> >> >> Users(a)ovirt.org >> >> >> http://lists.ovirt.org/mailman/listinfo/users >> >> > >> >> >> > >> >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users