Re: [one-users] vm state is unknown...what to do???

[Jaime Melis]

Hello Darshan,

are you using Xen? Our ttylinux image is prepared only to run with KVM.

Cheers,
Jaime

On Mon, Feb 6, 2012 at 8:31 AM, Darshan Upadhyay wrote:

> hi guys..
> please help me out
> i am trying to run vm on host through front end with the command "onevm"
> but my vm is reach upto running stage and certainly it will transfer to
> unknown state..so i am not able to findout that at which poing i am
> doing wrongi have register ttylinux image through oneimage...and using
> it in vmmy vm template is shown below.Please guide me where i am
> doing wrong.
>
> vm template
>
> NAME = ttyvm
> CPU = 0.3
> MEMORY = 200
> VCPU = 1
>
> OS = [ KERNEL = /boot/vmlinuz-2.6.18-194.el5xen,
>  INITRD = /boot/vmlinuz-2.6.18.194.el5xen.img ]
>
> DISK = [ IMAGE = ttylinux,
>IMAGE_ID = 1,
>READONLY = no ]
>
> FEATURES = [ ACPI = no ]
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Re: [one-users] help with a configuration

[Jaime Melis]

Hello Jan,

this line is confusing me:

 I don't want to share anything
> between the host and the frontend but i can mount filesystems from the
> host to the frontend on demand.


Can you export from your SAN system both to your host and to your frontend?
In that case you can mount a shared /var/lib/one in both.

Cheers,
Jaime

On Wed, Feb 15, 2012 at 9:49 AM, Jan M. Stankovsky <
jan.stankov...@univie.ac.at> wrote:

> I have a single server with access to a SAN System. I would like to use
> this server as a (cluster) node [host] and virtualize the frontend on my
> working place computer with virtualbox. I don't want to share anything
> between the host and the frontend but i can mount filesystems from the
> host to the frontend on demand.
> in such a setup where/how should i put the image repositories, because
> the host has the storage.
>
> thanks
>
> j.
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Re: [one-users] problem when installing OpenNebula on Opensuse 11.4

[Jaime Melis]

Hello Nicolas,

did you figure this out? From other mails you've written to the mailing
list I understand that you have managed to install OpenNebula. Did you use
openSUSE's packages?

Cheers,
Jaime

On Thu, Feb 16, 2012 at 6:12 PM, nicolas diogo  wrote:

> hello,
>
> i have followed the documentation available and i find that i can not
> start portions of my ONE installation.
>
> when trying to start sunstone:
>
> service sunstone start
>
> i get an error message and the following is posted on the log:
>
>  
> */usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/adapters/sqlite.rb:67:in
>  `initialize': SQLite3::CantOpenException: unable to open database file 
> (Sequel::DatabaseConnectionError)
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/adapters/sqlite.rb:67:in
>  `new'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/adapters/sqlite.rb:67:in
>  `connect'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/database/misc.rb:48:in 
> `initialize'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/connection_pool.rb:92:in
>  `call'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/connection_pool.rb:92:in
>  `make_new'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/connection_pool/threaded.rb:127:in
>  `make_new'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/connection_pool/threaded.rb:113:in
>  `available'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/connection_pool/threaded.rb:103:in
>  `acquire'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/connection_pool/threaded.rb:147:in
>  `sync'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/connection_pool/threaded.rb:147:in
>  `synchronize'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/connection_pool/threaded.rb:147:in
>  `sync'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/connection_pool/threaded.rb:102:in
>  `acquire'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/connection_pool/threaded.rb:74:in
>  `hold'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/database/connecting.rb:225:in
>  `synchronize'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/adapters/sqlite.rb:94:in
>  `execute_ddl'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/database/schema_methods.rb:377:in
>  `create_table_from_generator'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/database/schema_methods.rb:97:in
>  `create_table'
>   from 
> /usr/lib64/ruby/gems/1.8/gems/sequel-3.32.0/lib/sequel/database/schema_methods.rb:122:in
>  `create_table?'
>   from /usr/lib/one/ruby/acct/watch_helper.rb:137:in `bootstrap'
>   from /usr/lib/one/ruby/acct/watch_helper.rb:221
>   from /usr/lib64/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in 
> `gem_original_require'
>   from /usr/lib64/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in 
> `require'
>   from /usr/lib/one/ruby/acct/watch_client.rb:18
>   from /usr/lib64/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in 
> `gem_original_require'
>   from /usr/lib64/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in 
> `require'
>   from /usr/lib/one/sunstone/models/SunstoneServer.rb:20
>   from /usr/lib64/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in 
> `gem_original_require'
>   from /usr/lib64/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in 
> `require'
>   from /usr/lib/one/sunstone/sunstone-server.rb:51*
>
>
> i am hoping this would be clear somebody that understands ruby.
> but for me - only sadness..
>
> and more interisting is that i can not find a script;
>
> /usr/bin/one
>
> it is not there..
>
>
>
> i have installed all opennebula packages:
>
> zypper instal opennebula*
>
> could it be that i am using the wrong repos? this is OpenNebula repo (and i 
> have also enabled Packman)
> *[Virtualization_Cloud_OpenNebula]
> name=openNebula Cloud environment (openSUSE_11.4)
> enabled=1
> autorefresh=0
> baseurl=http://download.opensuse.org/repositories/Virtualization:/Cloud:/OpenNebula/openSUSE_11.4/
> type=rpm-md
> gpgcheck=1
> gpgkey=http://download.opensuse.org/repositories/Virtualization:/Cloud:/OpenNebula/openSUSE_11.4/repodata/repomd.xml.key
> keeppackages=0*
>
> suggestions on how to solve this are most welcome
>
> Nicolas
>
>
>
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>
>


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[one-users] Ozones conf in SL 5.5

[Ruben Diez]

Hi:

We are attempt to configure ozone stuff in a Scientific Linux 5.5...

The Sunstone and the Ozone.server web in interface are running ok, but 
when we attempt to create a zone, whe get these error:


[oneadmin@VDC ~]$ onezone create una_zona.template
Operating with zone failed with HTTP error code: 400


We suspect the issue is related to the Apache2 configuration, because 
same error is displyed whe we stoping the Apache2 service.


We are follow the recipe at 
http://opennebula.org/documentation:rel3.2:ozonescfg


But this doc seems to be specific for Debian/Ubuntu

Any idea about where is the mistake ??

Any idea about how debug this error??

Any doc about how to configure apache for ozone stuff in a redhat 5.x 
type OS???


Regards

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[one-users] VM Placement

[Juan Luis Prieto Martínez]

Hi

I'd like to know whether if it is possible to tel opennebula to deploy the
VMs on specific hosts in order to save energy in the data center. I know
that the scheduler does something similar to that by checking from time to
time where the VMs are running and moving consolidating them in the less
hosts as possible, but I'd like to know if by some short of energy
efficiency policy this can be controled by the user.

Thank you
Cheers
JuanLu
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Re: [one-users] how to recover failed vms

[Carlos Martín Sánchez]

Hi Jhon,

Your description is very accurate, and I have just one comment:

Instead of manually executing the 'virsh create' command, you can execute
'onevm restart' [1]. This will have the same effect, the hypervisor
deployment command is executed without going through the prolog state. The
files currently in the host are used, not copied again from the image
repository, preserving the disk changes.

Cheers

[1] http://opennebula.org/documentation:rel3.2:vm_guide_2#onevm_command

--
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Project Engineer
OpenNebula - The Open-source Solution for Data Center Virtualization
www.OpenNebula.org | cmar...@opennebula.org |
@OpenNebula



2012/3/12 Jhon Masschelein 

> Hi list,
>
> In you mail, you mix FAILED and UNKNOWN.
>
> When a VM goes to FAILED, it pretty much always means that it was not able
> to deploy due to some error. The log file would give more information. Look
> for things like inaccessible disks or networks, bad template variables,
> etc..
>
> As far as I know, a FAILED VM should never go to READY state without
> resubmission. Please correct me if I am wrong anybody.
>
> UNKNOWN state is different; this happens when oned does not get any
> monitoring info from the VM for a while. This could be a result of the
> system and or libvirt being very busy or maybe network problems.
> Once monitoring resumes, this usually result in an UNKNOWN state going
> back to READY. Of course, if for some reason the KVM or XEN domain process
> died, monitoring will never resume.
>
> (Not sure if you are using KVM or XEN, the following is based on KVM but I
> think XEN is relatively similar.)
> For example, if you have a node crash, the KVM process will of course have
> died, the monitoring will stop and the VM will end up in UNKNOWN state.
>
> When the crashed node is rebooted, you can "recover" the VM by booting it
> again. In the /var/lib/one/$VMID/images directory for the VM, you will find
> a deployment.X file and the images files. You can simply use "virsh create
> deployment.X" (replace X with the highest number you find in the
> directory). This will restart the VM.
>
> After a little while, opennebula will start receiving monitoring info from
> the restarted VM again and the VM will turn READY.
>
> For a FAILED VM, this mostly is not possible because the reason the VM is
> FAILED is because either the deployment file could not be created, is
> faulty or the disk images could not be copied.
>
> All this is based on my experience with opennebula. Please correct me if I
> am wrong.
>
> Wkr,
>
> Jhon
>
>
>
> On 03/11/2012 10:08 PM, Łukasz Oleś wrote:
>
>> On Thursday 08 March 2012 06:45:54 Siva Prasad wrote:
>>
>>> Hi All,
>>>
>>> I have a peculiar issues. For some reason if vm is heavily loaded it
>>> goes to unknown state. To recover from unknown state I use "restart".
>>> some times the vm gets recovered and sometimes it goes to failed state (
>>> in both cases all the vm files exists on the disk).Below are my queries.
>>>
>>> 1) How to debug why some times vm goes to failed state and why it
>>> recovers sometimes
>>>
>> Check /var/log/one/{vm_id}.log file
>>
>>  2) Is there a way to  recover failed vms.
>>>
>>
>> I'm also interested in this question. Anyone?
>>
>>
>>> Thanks,
>>> Siva
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>>>
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Re: [one-users] VM Placement

[Jaime Melis]

Hi,

take a look at these projects from the ecosystem:
Green Cloud Scheduler -
http://opennebula.org/software:ecosystem:green_cloud_scheduler
CLUES - http://opennebula.org/software:ecosystem:clues

Regards,
Jaime

On Thu, Mar 15, 2012 at 10:51 AM, Juan Luis Prieto Martínez <
sirjua...@gmail.com> wrote:

> Hi
>
> I'd like to know whether if it is possible to tel opennebula to deploy the
> VMs on specific hosts in order to save energy in the data center. I know
> that the scheduler does something similar to that by checking from time to
> time where the VMs are running and moving consolidating them in the less
> hosts as possible, but I'd like to know if by some short of energy
> efficiency policy this can be controled by the user.
>
> Thank you
> Cheers
> JuanLu
>
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>
>
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Re: [one-users] VM Placement

[Jaime Melis]

Hi Juan Luis,

I forgot to clarify that in our scheduler the user can specify what
deployment policy to use, which I believe is what you're looking for.
http://opennebula.org/documentation:rel3.2:schg#pre-defined_placement_policies

The difference with the other ecosystem projects is that the projects I
mentioned before perform migrations after deployment to optimize the use of
resources.

Regards,
Jaime

On Thu, Mar 15, 2012 at 11:42 AM, Jaime Melis  wrote:

> Hi,
>
> take a look at these projects from the ecosystem:
> Green Cloud Scheduler -
> http://opennebula.org/software:ecosystem:green_cloud_scheduler
> CLUES - http://opennebula.org/software:ecosystem:clues
>
> Regards,
> Jaime
>
> On Thu, Mar 15, 2012 at 10:51 AM, Juan Luis Prieto Martínez <
> sirjua...@gmail.com> wrote:
>
>> Hi
>>
>> I'd like to know whether if it is possible to tel opennebula to deploy
>> the VMs on specific hosts in order to save energy in the data center. I
>> know that the scheduler does something similar to that by checking from
>> time to time where the VMs are running and moving consolidating them in the
>> less hosts as possible, but I'd like to know if by some short of energy
>> efficiency policy this can be controled by the user.
>>
>> Thank you
>> Cheers
>> JuanLu
>>
>> ___
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>> Users@lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>>
>


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Re: [one-users] onevm auth error

[Hector Sanjuan]

Not too sure if there are any version numbers etc. you need me to check ?


Yes, what version of opennebula are you using?
What authentication driver does oneadmin have?

Hector

En Thu, 15 Mar 2012 07:04:31 +0100, Snyman, Adrian   
escribió:



Hi Hector, thanks for getting back to me.

Not too sure - but the problem is reproducible each time my side. I  
wonder whether it's my sunstone installation ?
If I reset the password via the commandline, then set the on_auth file  
to plain text - it works no problem.


If I reset via the sunstone interface - no go.

But I have it working now :)

Not too sure if there are any version numbers etc. you need me to check ?


Regards,
Adrian Snyman
Linux Systems Administrator
University of Johannesburg
Tel: 011-559-4929
Cell: 082-600-1211


-Original Message-
From: users-boun...@lists.opennebula.org [mailto:users-
boun...@lists.opennebula.org] On Behalf Of Hector Sanjuan
Sent: 14 March 2012 05:30 PM
To: users@lists.opennebula.org
Subject: Re: [one-users] onevm auth error

hi,

I tried quickly and this problem doesnt happen to me. I changed oneadmin
password via sunstone, then updated one_auth with the plain text
password and things work fine.

Have you changed the oneadmin authentication driver perhaps to
something other than 'core'? What version of ONE are you using? Is
sunstone login working with the new password?

Hector

En Wed, 14 Mar 2012 10:54:37 +0100, Snyman, Adrian 
escribió:

> Okay, so I changed the password for the oneadmin user via the sunstone
> interface - now the commandline is suddenly broken :(
>
> The one_auth file needs to have an encrypted string for the password -
> plain text does not work.
>
> So how do I generate an encrypted password ?
>
>
>
> Regards,
> Adrian Snyman
> Linux Systems Administrator
> University of Johannesburg
> Tel: 011-559-4929
> Cell: 082-600-1211
>
>
> 
>
> This email and all contents are subject to the following disclaimer:
>
> http://disclaimer.uj.ac.za


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This email and all contents are subject to the following disclaimer:

http://disclaimer.uj.ac.za



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Re: [one-users] [openSUSE + OpenNebula 3.2.0 + KVM. How to obtain an .img file?]

[Robert Schweikert]

On 03/15/2012 09:29 AM, biro lehel wrote:

Hello Robert,

Thank you for taking the time to answer. I'm currently checking the KIWI
guide you provided. I've looked through it briefly, and my only question
is the following: I already have my head-node (front-end) and the
cloud-node (worker-node) set up and configured, and I was able to manage
(get running, through ONE) the provided ttylinux template from the ONE
website. Currently, I am only interested in having a running
SUSE-image-based VM instead of this ttylinux VM.

So, does this mean that I should be concerned only with the parts
related to the guest-node from the KIWI documentation?


Yes.


What exactly is
the scope of the parts related to the head-node and the cloud-node (why
would I need such images)?


The cloud-node image is useful to allow you to set up a new cloud node 
in short order, 5 minutes or less. If you just run your own small cloud 
and you do not plan on adding another cloud node then building an image 
is overkill.


Having the images also has the advantage that they encapsulate the 
knowledge of how to set up and configure a node (head or cloud). Once 
you have an image and the need for a new node arises you can just 
install the image and do not have to go through the whole configuration 
process again.



Also, does KIWI needs to be installed on both
the front-end and cloud(worker)-node, or all the commands are done from
the latter?


KIWI does not need to be installed on the cloud machines at all. KIWI 
just needs to be installed on some machine that can function as your 
image build machine.


HTH,
Robert

--
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Tech Lead
rjsch...@suse.com
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Re: [one-users] VM Placement

[Juan Luis Prieto Martínez]

Hi Jaime

Thanks for the hint, this is what I was thinking and what I need to put in
place. However a second question comes into my mind, is it possible to set
up the scheduler policies programatically? Meaning that I'd like to
generate an energy aware policy with wich I'd like to set up the scheudler
with a Packing policy in X nodes.

Cheers
JuanLu


El 15 de marzo de 2012 12:05, Jaime Melis  escribió:

> Hi Juan Luis,
>
> I forgot to clarify that in our scheduler the user can specify what
> deployment policy to use, which I believe is what you're looking for.
>
> http://opennebula.org/documentation:rel3.2:schg#pre-defined_placement_policies
>
> The difference with the other ecosystem projects is that the projects I
> mentioned before perform migrations after deployment to optimize the use of
> resources.
>
> Regards,
> Jaime
>
> On Thu, Mar 15, 2012 at 11:42 AM, Jaime Melis wrote:
>
>> Hi,
>>
>> take a look at these projects from the ecosystem:
>> Green Cloud Scheduler -
>> http://opennebula.org/software:ecosystem:green_cloud_scheduler
>> CLUES - http://opennebula.org/software:ecosystem:clues
>>
>> Regards,
>> Jaime
>>
>> On Thu, Mar 15, 2012 at 10:51 AM, Juan Luis Prieto Martínez <
>> sirjua...@gmail.com> wrote:
>>
>>> Hi
>>>
>>> I'd like to know whether if it is possible to tel opennebula to deploy
>>> the VMs on specific hosts in order to save energy in the data center. I
>>> know that the scheduler does something similar to that by checking from
>>> time to time where the VMs are running and moving consolidating them in the
>>> less hosts as possible, but I'd like to know if by some short of energy
>>> efficiency policy this can be controled by the user.
>>>
>>> Thank you
>>> Cheers
>>> JuanLu
>>>
>>> ___
>>> Users mailing list
>>> Users@lists.opennebula.org
>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>
>>>
>>
>
>
> --
> Jaime Melis
> Project Engineer
> OpenNebula - The Open Source Toolkit for Cloud Computing
> www.OpenNebula.org | jme...@opennebula.org
>
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Re: [one-users] Ozones conf in SL 5.5

[Hector Sanjuan]

Hello,

I fixed today a small bug which prevents errors to be properly reported in  
ozones CLI:


http://dev.opennebula.org/issues/1168

if you can, i would suggest that you apply the patch (1 line, no need to  
reinstall) and retry. You should be able to get more info then.


If you can't, it could simply be that your zone template is malformed etc.  
I don't know how your setup is, but it doesnt look like this would have  
something to do with Apache. Does zone creation work from the web UI with  
the same parameters?


Hope it helps,

Hector

En Thu, 15 Mar 2012 10:43:15 +0100, Ruben Diez  escribió:


Hi:

We are attempt to configure ozone stuff in a Scientific Linux 5.5...

The Sunstone and the Ozone.server web in interface are running ok, but  
when we attempt to create a zone, whe get these error:


[oneadmin@VDC ~]$ onezone create una_zona.template
Operating with zone failed with HTTP error code: 400


We suspect the issue is related to the Apache2 configuration, because  
same error is displyed whe we stoping the Apache2 service.


We are follow the recipe at  
http://opennebula.org/documentation:rel3.2:ozonescfg


But this doc seems to be specific for Debian/Ubuntu

Any idea about where is the mistake ??

Any idea about how debug this error??

Any doc about how to configure apache for ozone stuff in a redhat 5.x  
type OS???


Regards

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Hector Sanjuan
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Re: [one-users] Shared File System HA

[Nicolas Diogo]

 Original Message 
Subject:Re: [one-users] Shared File System HA
Date:   Thu, 15 Mar 2012 23:00:27 +
From:   Nicolas Diogo 
To: Hans-Joachim Ehlers 



Hi,

apologies for hijacking the thread - is there a specific way to
configure this filesystem to work with OpenNebula?
how should we go about to enable this?

thanks,



On 14/03/12 15:45, Hans-Joachim Ehlers wrote:
> In case we are going to deploy OpenNebula we will use GPFS as our clustered 
> FS ... 
>
> Since it does not answer your question: In case NFS is used you must make 
> sure that:
>
> • The NFS server exports the FS with the “sync” option. Otherwise data 
> corruption could/will during server crash.
> • The NFS client must at least use the mount option “hard“ 
>
> Hth
> Hajo
>
>
>
>
> From: users-boun...@lists.opennebula.org 
> [mailto:users-boun...@lists.opennebula.org] On Behalf Of Marshall Grillos
> Sent: Wednesday, March 14, 2012 4:27 PM
> To: users@lists.opennebula.org
> Subject: [one-users] Shared File System HA
>
> I am debating the differences between Shared and Non-shared file systems for 
> an OpenNebula deployment.
>
> One concern with the shared file system is High Availability.  I am setting 
> up the OpenNebula front-end with connectivity to a storage device.  To avoid 
> the event of a storage device failure (RAID controller, Power, etc) I am 
> looking into setting up a secondary front-end server with attached storage.  
> I would use NFS to share the storage to each VM Host and setup DRDB for block 
> level replication between each cluster node.  In the event of a storage 
> failure, a failover would occur utilizing heartbeat/pacemaker to the 
> secondary front-end server.
>
> If anyone has tested a similar setup how do the VMs handle the minimal outage 
> required for the failover to occur (the several seconds required to failover 
> to the secondary front-end)?  For a certain duration, wouldn’t the NFS mount 
> be unavailable due to the failover mechanism?
>
> Thanks,
> Marshall
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