Re: [ovirt-users] Latest ovirt-node release/installation

2014-11-16 Thread Fabian Deutsch
- Original Message -
 On Fri, Nov 14, 2014 at 3:52 PM, Fabian Deutsch fdeut...@redhat.com wrote:
 
  - Original Message -
   Thanks to everyone for the answers.  That helps clarify some basics for
   me.  I prefer to try and implement ovirt-node for the reasons stated
  above
   (small, defined OS with a smaller security/management footprint), but
  now I
   debate using CentOS 6 or RHEL 6.  I feel that oVirt-node is very
  important
   to being able to get an environment up and running securely without too
   much overhead, but perhaps I need to consider minimal OS installs +
  latest
   gluster release + 3.5 oVirt at this time.
 
  oVirt node can (btw) be deployed using PXE (Foreman, Cobbler), USB and CD
  media, and virtual media.
 
 
 That very much interests me since I utilize Cobbler currently for all of my
 provisioning.  I would assume that basically one would kickstart it like
 any other RHEL-based release.  Are you aware of any document that describes
 Cobbler+oVirt-Node by chance?

Hey,

for Node it's a bit different.
You can just use the kernel+initrd and some kernel arguments to deploy it via 
PXE.
No kickstart needed.

Our documentation is a bit lacking the details, but you can consult this docs:
http://red.ht/1xNNXak
http://red.ht/1vkmLRc

The should work for Node as well.

   One thing I was curious about is gluster support in oVirt-node.  What is
   the current status as far as glusterfs version and saving settings, etc.?
 
  The pre-release build from today contains glusterfs-3.6.
 
 
 Great!  Thanks for the information.  I've downloaded that ISO and I'm
 working on getting that deployed on a couple of test blades.

Great!
Let me know anything you would let us to know :)

- fabian

 
  - fabian
 
   Thanks again!
  
   Chris
  
   On Fri, Nov 14, 2014 at 6:30 AM, Fabian Deutsch fdeut...@redhat.com
  wrote:
  
- Original Message -
 I sincerely hope that this is not answered elsewhere as I've done
  several
 searches and have yet to find a solid answer.  I have three (what I
believe
 to be) basic questions (with perhaps some subs there):

 1)  What is the latest oVirt-node release and where would one
  download it
 (I appear to only see 3.4 -based releases of the ISO available)?  It
  is
 3.5-based and/or is there an upgrade path?  Which glusterfs release
  is
 currently included with oVirt-node?
   
Hey,
   
there are some 3.5 pre-release isos available here:
http://resources.ovirt.org/pub/ovirt-3.5-pre/iso/
   
They are quite old. The reason why there is still no Node, is that we
  are
experiencing
installation problems after CentOS 6.6 got released.
   
That is why there is no Node for 3.5 yet, becuase we don't want to
  provide
a Node which is dead on arrival. This ain't fun for anyone.
   
 2) As I understand it, newer releases of oVirt-node allow you to do
  an
 installation of the self-hosted engine at this time.  Is that
  correct?
   
Yes, that will work. Due to problems mentioned above, we still need to
  do
some
fixes to the hosted-engine part of Node, but once they land, HE will
  work
on Node.
   
 3) Is there any functionality that one would be losing out on by
deploying
 oVirt via oVirt-node vs. using full-OS installation?  Which is the
  more
 recommended?
   
Yes, ovirt-node is not as customizable as a regular host.
I.e. you can not (easily) modify the boot process, or install custom
  rpms.
   
Sometimes this is seen as a restriction, other see this as a well
  defined
environment.
   
 Again, I apologize if these questions are covered somewhere, but I
  felt
 like asking them in a direct fashion so as to clear up my own
ignorance.  I
 appreciate any feedback and information that you could share.
   
No, no worries. There weren't any Node updates (besides the weekly
  meeting
minutes)
for a while.
   
We still traget to release Node for oVirt 3.5 ASAP.
   
- fabian
   
   
 Thanks,

 Chris

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Re: [ovirt-users] Latest ovirt-node release/installation

2014-11-14 Thread Sven Kieske


On 13/11/14 20:57, Christopher Young wrote:
 3) Is there any functionality that one would be losing out on by deploying
 oVirt via oVirt-node vs. using full-OS installation?  Which is the more
 recommended?

Can't answer the others but here is my try on number three:

You lose the functionality of customizing your node in an easy
way, in a full os install you don't need many packages as well:
minimal EL6/7 and the added ovirt stuff (vdsm/mom).
also installation is easy, setup your host the way you like
it, add ovirt repo, let engine install, finished.

I'm still observing node, but imho it's kind of it's own
distro, you have many limitations, e.g. it's designed
to be read only for most files (making it more secure)
which creates more trouble to persist changes.

I honestly don't think there is enough dev power (in terms
of manpower) for node, too. As I said, it's like a fork
of el6/fedora, but with just about 5-10 devs.

I'm running very well with el6 hosts atm, I would
discourage the use of fedora nodes as well, because
there where multiple reports of broken hosts after package
upgrades in fedora (imho that's a no brainer, as fedora
is bleeding edge and thus more breakage does occur).

HTH

-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

Systemadministrator
Mittwald CM Service GmbH  Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
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Re: [ovirt-users] Latest ovirt-node release/installation

2014-11-14 Thread Daniel Helgenberger


On 13.11.2014 20:58, Christopher Young wrote:
 I sincerely hope that this is not answered elsewhere as I've done several
 searches and have yet to find a solid answer.  I have three (what I believe to
 be) basic questions (with perhaps some subs there):

 1)  What is the latest oVirt-node release and where would one download it (I
 appear to only see 3.4 -based releases of the ISO available)?  It is 3.5-based
 and/or is there an upgrade path?  Which glusterfs release is currently 
 included
 with oVirt-node?

I take the liberty to add Fabian to this thread.
Here is the link to the most current node release:

http://resources.ovirt.org/pub/ovirt-3.5-pre/iso/ovirt-node-iso-3.5.0.ovirt35.20140912.el6.iso
see [1]


 2) As I understand it, newer releases of oVirt-node allow you to do an
 installation of the self-hosted engine at this time.  Is that correct?
Be aware, this is not a stable release ATM but provides HE features. 
This works quite cleverly by fetching an OVF offline engine install.


 3) Is there any functionality that one would be losing out on by deploying 
 oVirt
 via oVirt-node vs. using full-OS installation?  Which is the more recommended?
Here I go along with Sven's notes for most of the part. The node project 
is quite ambitious. You might have some troubles with special hardware. 
Esp. SELinux is a real challenge, also EL7 with systemd. But if you want 
(many) lightweight hosts witch standard hardware and an easy deployment 
cycle, node is for you. Give it a try and see if it suits your needs and 
share your experience...



 Again, I apologize if these questions are covered somewhere, but I felt like
 asking them in a direct fashion so as to clear up my own ignorance.  I
 appreciate any feedback and information that you could share.

 Thanks,

 Chris



[1] Fabian's announcement
Hey,

to be able to give Node a go on the oVirt 3.5 TestDay, we provide a 
fresh build of Node including the 3.5rc2 package here:

http://resources.ovirt.org/pub/ovirt-3.5-pre/iso/ovirt-node-iso-3.5.0.ovirt35.20140912.el6.iso

We did not see any SELinux denials, but if you experience any problems, 
please try to install Node in permissive mode by appending
  enfcoring=0
during the installation.

-- 
Daniel Helgenberger
m box bewegtbild GmbH

P: +49/30/2408781-22
F: +49/30/2408781-10

ACKERSTR. 19
D-10115 BERLIN


www.m-box.de  www.monkeymen.tv

Geschäftsführer: Martin Retschitzegger / Michaela Göllner
Handeslregister: Amtsgericht Charlottenburg / HRB 112767
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Re: [ovirt-users] Latest ovirt-node release/installation

2014-11-14 Thread Fabian Deutsch
- Original Message -
 I sincerely hope that this is not answered elsewhere as I've done several
 searches and have yet to find a solid answer.  I have three (what I believe
 to be) basic questions (with perhaps some subs there):
 
 1)  What is the latest oVirt-node release and where would one download it
 (I appear to only see 3.4 -based releases of the ISO available)?  It is
 3.5-based and/or is there an upgrade path?  Which glusterfs release is
 currently included with oVirt-node?

Hey,

there are some 3.5 pre-release isos available here:
http://resources.ovirt.org/pub/ovirt-3.5-pre/iso/

They are quite old. The reason why there is still no Node, is that we are 
experiencing
installation problems after CentOS 6.6 got released.

That is why there is no Node for 3.5 yet, becuase we don't want to provide
a Node which is dead on arrival. This ain't fun for anyone.

 2) As I understand it, newer releases of oVirt-node allow you to do an
 installation of the self-hosted engine at this time.  Is that correct?

Yes, that will work. Due to problems mentioned above, we still need to do some
fixes to the hosted-engine part of Node, but once they land, HE will work on 
Node.

 3) Is there any functionality that one would be losing out on by deploying
 oVirt via oVirt-node vs. using full-OS installation?  Which is the more
 recommended?

Yes, ovirt-node is not as customizable as a regular host.
I.e. you can not (easily) modify the boot process, or install custom rpms.

Sometimes this is seen as a restriction, other see this as a well defined
environment.

 Again, I apologize if these questions are covered somewhere, but I felt
 like asking them in a direct fashion so as to clear up my own ignorance.  I
 appreciate any feedback and information that you could share.

No, no worries. There weren't any Node updates (besides the weekly meeting 
minutes)
for a while.

We still traget to release Node for oVirt 3.5 ASAP.

- fabian


 Thanks,
 
 Chris
 
 ___
 Users mailing list
 Users@ovirt.org
 http://lists.ovirt.org/mailman/listinfo/users
 
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Re: [ovirt-users] Latest ovirt-node release/installation

2014-11-14 Thread Christopher Young
Thanks to everyone for the answers.  That helps clarify some basics for
me.  I prefer to try and implement ovirt-node for the reasons stated above
(small, defined OS with a smaller security/management footprint), but now I
debate using CentOS 6 or RHEL 6.  I feel that oVirt-node is very important
to being able to get an environment up and running securely without too
much overhead, but perhaps I need to consider minimal OS installs + latest
gluster release + 3.5 oVirt at this time.

One thing I was curious about is gluster support in oVirt-node.  What is
the current status as far as glusterfs version and saving settings, etc.?

Thanks again!

Chris

On Fri, Nov 14, 2014 at 6:30 AM, Fabian Deutsch fdeut...@redhat.com wrote:

 - Original Message -
  I sincerely hope that this is not answered elsewhere as I've done several
  searches and have yet to find a solid answer.  I have three (what I
 believe
  to be) basic questions (with perhaps some subs there):
 
  1)  What is the latest oVirt-node release and where would one download it
  (I appear to only see 3.4 -based releases of the ISO available)?  It is
  3.5-based and/or is there an upgrade path?  Which glusterfs release is
  currently included with oVirt-node?

 Hey,

 there are some 3.5 pre-release isos available here:
 http://resources.ovirt.org/pub/ovirt-3.5-pre/iso/

 They are quite old. The reason why there is still no Node, is that we are
 experiencing
 installation problems after CentOS 6.6 got released.

 That is why there is no Node for 3.5 yet, becuase we don't want to provide
 a Node which is dead on arrival. This ain't fun for anyone.

  2) As I understand it, newer releases of oVirt-node allow you to do an
  installation of the self-hosted engine at this time.  Is that correct?

 Yes, that will work. Due to problems mentioned above, we still need to do
 some
 fixes to the hosted-engine part of Node, but once they land, HE will work
 on Node.

  3) Is there any functionality that one would be losing out on by
 deploying
  oVirt via oVirt-node vs. using full-OS installation?  Which is the more
  recommended?

 Yes, ovirt-node is not as customizable as a regular host.
 I.e. you can not (easily) modify the boot process, or install custom rpms.

 Sometimes this is seen as a restriction, other see this as a well defined
 environment.

  Again, I apologize if these questions are covered somewhere, but I felt
  like asking them in a direct fashion so as to clear up my own
 ignorance.  I
  appreciate any feedback and information that you could share.

 No, no worries. There weren't any Node updates (besides the weekly meeting
 minutes)
 for a while.

 We still traget to release Node for oVirt 3.5 ASAP.

 - fabian


  Thanks,
 
  Chris
 
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  Users@ovirt.org
  http://lists.ovirt.org/mailman/listinfo/users
 

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Re: [ovirt-users] Latest ovirt-node release/installation

2014-11-14 Thread Fabian Deutsch
- Original Message -
 Thanks to everyone for the answers.  That helps clarify some basics for
 me.  I prefer to try and implement ovirt-node for the reasons stated above
 (small, defined OS with a smaller security/management footprint), but now I
 debate using CentOS 6 or RHEL 6.  I feel that oVirt-node is very important
 to being able to get an environment up and running securely without too
 much overhead, but perhaps I need to consider minimal OS installs + latest
 gluster release + 3.5 oVirt at this time.

oVirt node can (btw) be deployed using PXE (Foreman, Cobbler), USB and CD 
media, and virtual media.

 One thing I was curious about is gluster support in oVirt-node.  What is
 the current status as far as glusterfs version and saving settings, etc.?

The pre-release build from today contains glusterfs-3.6.

- fabian

 Thanks again!
 
 Chris
 
 On Fri, Nov 14, 2014 at 6:30 AM, Fabian Deutsch fdeut...@redhat.com wrote:
 
  - Original Message -
   I sincerely hope that this is not answered elsewhere as I've done several
   searches and have yet to find a solid answer.  I have three (what I
  believe
   to be) basic questions (with perhaps some subs there):
  
   1)  What is the latest oVirt-node release and where would one download it
   (I appear to only see 3.4 -based releases of the ISO available)?  It is
   3.5-based and/or is there an upgrade path?  Which glusterfs release is
   currently included with oVirt-node?
 
  Hey,
 
  there are some 3.5 pre-release isos available here:
  http://resources.ovirt.org/pub/ovirt-3.5-pre/iso/
 
  They are quite old. The reason why there is still no Node, is that we are
  experiencing
  installation problems after CentOS 6.6 got released.
 
  That is why there is no Node for 3.5 yet, becuase we don't want to provide
  a Node which is dead on arrival. This ain't fun for anyone.
 
   2) As I understand it, newer releases of oVirt-node allow you to do an
   installation of the self-hosted engine at this time.  Is that correct?
 
  Yes, that will work. Due to problems mentioned above, we still need to do
  some
  fixes to the hosted-engine part of Node, but once they land, HE will work
  on Node.
 
   3) Is there any functionality that one would be losing out on by
  deploying
   oVirt via oVirt-node vs. using full-OS installation?  Which is the more
   recommended?
 
  Yes, ovirt-node is not as customizable as a regular host.
  I.e. you can not (easily) modify the boot process, or install custom rpms.
 
  Sometimes this is seen as a restriction, other see this as a well defined
  environment.
 
   Again, I apologize if these questions are covered somewhere, but I felt
   like asking them in a direct fashion so as to clear up my own
  ignorance.  I
   appreciate any feedback and information that you could share.
 
  No, no worries. There weren't any Node updates (besides the weekly meeting
  minutes)
  for a while.
 
  We still traget to release Node for oVirt 3.5 ASAP.
 
  - fabian
 
 
   Thanks,
  
   Chris
  
   ___
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   Users@ovirt.org
   http://lists.ovirt.org/mailman/listinfo/users
  
 
 
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 Users@ovirt.org
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Re: [ovirt-users] Latest ovirt-node release/installation

2014-11-14 Thread Christopher Young
On Fri, Nov 14, 2014 at 3:52 PM, Fabian Deutsch fdeut...@redhat.com wrote:

 - Original Message -
  Thanks to everyone for the answers.  That helps clarify some basics for
  me.  I prefer to try and implement ovirt-node for the reasons stated
 above
  (small, defined OS with a smaller security/management footprint), but
 now I
  debate using CentOS 6 or RHEL 6.  I feel that oVirt-node is very
 important
  to being able to get an environment up and running securely without too
  much overhead, but perhaps I need to consider minimal OS installs +
 latest
  gluster release + 3.5 oVirt at this time.

 oVirt node can (btw) be deployed using PXE (Foreman, Cobbler), USB and CD
 media, and virtual media.


That very much interests me since I utilize Cobbler currently for all of my
provisioning.  I would assume that basically one would kickstart it like
any other RHEL-based release.  Are you aware of any document that describes
Cobbler+oVirt-Node by chance?



  One thing I was curious about is gluster support in oVirt-node.  What is
  the current status as far as glusterfs version and saving settings, etc.?

 The pre-release build from today contains glusterfs-3.6.


Great!  Thanks for the information.  I've downloaded that ISO and I'm
working on getting that deployed on a couple of test blades.


 - fabian

  Thanks again!
 
  Chris
 
  On Fri, Nov 14, 2014 at 6:30 AM, Fabian Deutsch fdeut...@redhat.com
 wrote:
 
   - Original Message -
I sincerely hope that this is not answered elsewhere as I've done
 several
searches and have yet to find a solid answer.  I have three (what I
   believe
to be) basic questions (with perhaps some subs there):
   
1)  What is the latest oVirt-node release and where would one
 download it
(I appear to only see 3.4 -based releases of the ISO available)?  It
 is
3.5-based and/or is there an upgrade path?  Which glusterfs release
 is
currently included with oVirt-node?
  
   Hey,
  
   there are some 3.5 pre-release isos available here:
   http://resources.ovirt.org/pub/ovirt-3.5-pre/iso/
  
   They are quite old. The reason why there is still no Node, is that we
 are
   experiencing
   installation problems after CentOS 6.6 got released.
  
   That is why there is no Node for 3.5 yet, becuase we don't want to
 provide
   a Node which is dead on arrival. This ain't fun for anyone.
  
2) As I understand it, newer releases of oVirt-node allow you to do
 an
installation of the self-hosted engine at this time.  Is that
 correct?
  
   Yes, that will work. Due to problems mentioned above, we still need to
 do
   some
   fixes to the hosted-engine part of Node, but once they land, HE will
 work
   on Node.
  
3) Is there any functionality that one would be losing out on by
   deploying
oVirt via oVirt-node vs. using full-OS installation?  Which is the
 more
recommended?
  
   Yes, ovirt-node is not as customizable as a regular host.
   I.e. you can not (easily) modify the boot process, or install custom
 rpms.
  
   Sometimes this is seen as a restriction, other see this as a well
 defined
   environment.
  
Again, I apologize if these questions are covered somewhere, but I
 felt
like asking them in a direct fashion so as to clear up my own
   ignorance.  I
appreciate any feedback and information that you could share.
  
   No, no worries. There weren't any Node updates (besides the weekly
 meeting
   minutes)
   for a while.
  
   We still traget to release Node for oVirt 3.5 ASAP.
  
   - fabian
  
  
Thanks,
   
Chris
   
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