[Openstack] Share Glance between cells or regions

2013-05-15 Thread John Paul Walters
Hi,

We're looking at setting up a geographically distributed OpenStack 
installation, and we're considering either cells or regions.  We'd like to 
share a single Glance install between our regions (or cells), so the same 
images can be spawned anywhere.  From here:

http://docs.openstack.org/trunk/openstack-ops/content/segregate_cloud.html

it's not clear whether that's possible.  Can anyone shed some light on this?  
Is it possible in regions OR cells (or both)?  Is there a better solution that 
I'm not thinking of?  

thanks,
JP
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[Openstack] [HPC] Anyone interested in an HPC-themed unconference?

2013-04-15 Thread John Paul Walters
Hi,

We missed the deadline for an HPC related design summit session, but there's 
still time to sign up for an unconference if anyone's interested.  Anyone 
interested?  I'd propose one of the Wednesday slots.

best,
JP
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[Openstack] using Glusterfs for instance storage

2013-04-11 Thread John Paul Walters
Hi,

We've started implementing a Glusterfs-based solution for instance storage in 
order to provide live migration.  I've run into a strange problem when using a 
multi-node Gluster setup that I hope someone has a suggestion to resolve.

I have a 12 node distributed/replicated Gluster cluster.  I can mount it to my 
client machines, and it seems to be working alright.  When I launch instances, 
the nova-compute log on the client machines are giving me two error messages:

First is a qemu-kvm error: could not open disk image 
/exports/instances/instances/instance-0242/disk: Invalid argument
(full output at http://pastebin.com/i8vzWegJ)

The second error message comes a short time later ending with 
nova.openstack.common.rpc.amqp Invalid: Instance has already been created
(full output at http://pastebin.com/6Ta4kkBN)

This happens reliably with the multi-Gluster-node setup.  Oddly, after creating 
a test Gluster volume composed of a single brick and single node, everything 
works fine.

Does anyone have any suggestions?

thanks,
JP


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Re: [Openstack] using Glusterfs for instance storage

2013-04-11 Thread John Paul Walters
Hi Razique,

Thanks for chiming in.  Yes, nova owns the instances directory that it's 
writing to.  In fact, between the multi-node volume and the single node volume, 
I gave the same permissions: created a directory instances on the gluster 
volume, and chown nova.nova instances.  The individual instance directories get 
created whenever I try to launch an instance, and the permissions all seem okay 
to me:

Here are the permissions on the gluster volume:
[root@openstack-13 instances]# ls -al
total 29
drwxr-xr-x.  4 nova nova   234 Apr 11 14:20 .
drwxr-xr-x.  3 root root  4096 Apr 10 15:52 ..
drwxr-x---. 11 nova nova 24576 Apr 11 14:31 instances  

Inside of instances:
[root@openstack-13 instances]# ls -al
total 33
drwxr-x---. 11 nova nova 24576 Apr 11 14:31 .
drwxr-xr-x.  4 nova nova   234 Apr 11 14:20 ..
drwxr-xr-x.  2 nova nova  8302 Apr 11 14:21 _base
drwxr-xr-x.  2 nova nova   110 Apr 11 14:21 instance-023b
drwxr-xr-x.  2 nova nova   110 Apr 11 14:22 instance-023c
drwxr-xr-x.  2 nova nova   110 Apr 11 14:22 instance-023d
drwxr-xr-x.  2 nova nova   110 Apr 11 14:22 instance-023e
drwxr-xr-x.  2 nova nova   110 Apr 11 14:22 instance-023f
drwxr-xr-x.  2 nova nova   110 Apr 11 14:22 instance-0240
drwxr-xr-x.  2 nova nova   110 Apr 11 14:25 instance-0241
drwxr-xr-x.  2 nova nova   110 Apr 11 14:31 instance-0242

instance-0241 is an example of one that's failed, inside of there:
[root@openstack-13 instance-0241]# ls -al
total 4678
drwxr-xr-x.  2 nova nova 110 Apr 11 14:25 .
drwxr-x---. 11 nova nova   24576 Apr 11 14:31 ..
-rw-rw.  1 root root   0 Apr 11 14:25 console.log
-rw-r--r--.  1 root root  262144 Apr 11 14:25 disk
-rw-r--r--.  1 root root 4404752 Apr 11 14:25 kernel
-rw-r--r--.  1 nova nova1277 Apr 11 14:25 libvirt.xml
-rw-r--r--.  1 root root   96629 Apr 11 14:25 ramdisk

To me, it seems reasonable.  I'm happy to be wrong though.
thanks,
JP

On Apr 11, 2013, at 10:49 AM, Razique Mahroua razique.mahr...@gmail.com wrote:

 Hi JP,
 my bet is that this is a writing permissions issue. Does nova has the right 
 to write within the mounted directory?
 
 Razique Mahroua - Nuage  Co
 razique.mahr...@gmail.com
 Tel : +33 9 72 37 94 15
 
 NUAGECO-LOGO-Fblan_petit.jpg
 
 Le 11 avr. 2013 à 16:36, John Paul Walters jwalt...@isi.edu a écrit :
 
 Hi,
 
 We've started implementing a Glusterfs-based solution for instance storage 
 in order to provide live migration.  I've run into a strange problem when 
 using a multi-node Gluster setup that I hope someone has a suggestion to 
 resolve.
 
 I have a 12 node distributed/replicated Gluster cluster.  I can mount it to 
 my client machines, and it seems to be working alright.  When I launch 
 instances, the nova-compute log on the client machines are giving me two 
 error messages:
 
 First is a qemu-kvm error: could not open disk image 
 /exports/instances/instances/instance-0242/disk: Invalid argument
 (full output at http://pastebin.com/i8vzWegJ)
 
 The second error message comes a short time later ending with 
 nova.openstack.common.rpc.amqp Invalid: Instance has already been created
 (full output at http://pastebin.com/6Ta4kkBN)
 
 This happens reliably with the multi-Gluster-node setup.  Oddly, after 
 creating a test Gluster volume composed of a single brick and single node, 
 everything works fine.
 
 Does anyone have any suggestions?
 
 thanks,
 JP
 
 
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Re: [Openstack] using Glusterfs for instance storage

2013-04-11 Thread John Paul Walters
Hi Sylvain,

I agree, though I've confirmed that the UID and GID are consistent across both 
the compute nodes and my Glusterfs nodes. 

JP


On Apr 11, 2013, at 11:22 AM, Sylvain Bauza sylvain.ba...@digimind.com wrote:

 Agree.
 As for other shared FS, this is *highly* important to make sure Nova UID and 
 GID are consistent in between all compute nodes. 
 If this is not the case, then you have to usermod all instances...
 
 -Sylvain
 
 Le 11/04/2013 16:49, Razique Mahroua a écrit :
 Hi JP,
 my bet is that this is a writing permissions issue. Does nova has the right 
 to write within the mounted directory?
 
 Razique Mahroua - Nuage  Co
 razique.mahr...@gmail.com
 Tel : +33 9 72 37 94 15
 
 
 
 Le 11 avr. 2013 à 16:36, John Paul Walters jwalt...@isi.edu a écrit :
 
 Hi,
 
 We've started implementing a Glusterfs-based solution for instance storage 
 in order to provide live migration.  I've run into a strange problem when 
 using a multi-node Gluster setup that I hope someone has a suggestion to 
 resolve.
 
 I have a 12 node distributed/replicated Gluster cluster.  I can mount it to 
 my client machines, and it seems to be working alright.  When I launch 
 instances, the nova-compute log on the client machines are giving me two 
 error messages:
 
 First is a qemu-kvm error: could not open disk image 
 /exports/instances/instances/instance-0242/disk: Invalid argument
 (full output at http://pastebin.com/i8vzWegJ)
 
 The second error message comes a short time later ending with 
 nova.openstack.common.rpc.amqp Invalid: Instance has already been created
 (full output at http://pastebin.com/6Ta4kkBN)
 
 This happens reliably with the multi-Gluster-node setup.  Oddly, after 
 creating a test Gluster volume composed of a single brick and single node, 
 everything works fine.
 
 Does anyone have any suggestions?
 
 thanks,
 JP
 
 
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[Openstack] [HPC] monthly telecon

2012-09-28 Thread John Paul Walters
Hi All,

The monthly HPC telecon is postponed until we have a better sense of the 
sessions that will be scheduled for the Grizzly Design Summit.  We'll shoot for 
holding the telecon on Monday, Oct. 8 in the hopes that we'll know whether our 
HPC sessions were accepted.  If the decisions aren't yet made, we'll 
re-evaluate.  The intent of this month's telecon will be to prepare for the 
Grizzly Summit.

best,
JP
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[Openstack] [HPC] Reminder monthly telecon Sep. 10

2012-09-07 Thread John Paul Walters
Hi,

This is a reminder that we'll hold our next monthly HPC telecon this coming 
Monday, Sep. 10 and 12:00 noon Eastern Time.  We'll use webex (details below).  
The agenda is somewhat open.  Our default will be to start the conversation 
about HPC features that folks are interested in adding to the Grizzly release.  
 If anyone has any other specific agenda items, they're welcome to propose them.

I'm unable to attend, so my colleague David Kang will be  hosting this meeting. 
 We look forward to talking to you!

best,
JP

John Paul Walters invites you to attend this online meeting. 

Topic: HPC Monthly Telecon 
Date: Monday, September 10, 2012 
Time: 12:00 pm, Eastern Daylight Time (New York, GMT-04:00) 
Meeting Number: 927 246 497 
Meeting Password: hpcmonthly 


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[Openstack] [HPC] Monthly telecon

2012-09-02 Thread John Paul Walters
Hi,

The HPC telecon, normally scheduled for the first Monday of the month, will 
instead be held on Monday, Sep. 10 due to the Labor Day holiday in the US.  
It'll be held at 12:00 noon Eastern Time.  I'll follow up with an agenda near 
the end of next week.  If there's anything that others would like to place on 
the agenda, please let me know.

Separately, I'd like to bring to your attention that Brian Schott has succeeded 
in getting a dedicated HPC mailing list started.  For anyone interested, please 
sign up here:

openstack-...@lists.openstack.org 
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-hpc

best,
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Re: [Openstack] What is the most commonly used Hypervisor and toolset combination?

2012-08-16 Thread John Paul Walters
Hi Boris,

We have GPU passthrough working with NVIDIA GPUs in Xen 4.1.2, if I recall 
correctly.  We don't yet have a stable Xen + Libvirt installation working, but 
we're looking at it.  Perhaps it would be worth collaborating since it sounds 
like this could be a win for both of us.

best,
JP


On Aug 16, 2012, at 9:31 AM, Boris-Michel Deschenes wrote:

 That would be great Jim,
 
 I've built a cloud that uses CentOS+libvirt+Xen 4.1.3 to do GPU passthrough 
 and I just love to be able to use libvirt with Xen, this setup makes a lot of 
 sense to me since our main, bigger cloud is the standard libvirt+KVM, using 
 libvirt across the board is great for us.
 
 I'm following your work closely, the GPU cloud is still using libvirt+xend 
 but when I move to Xen 4.2 my understanding is that I will need libvirt+xl 
 (xenlight) so I guess there's still some work to be done in libvirt there...
 
 The reason I want to move to Xen 4.2 is the GPU passthrough of NVIDIA GPUs... 
 currently, with Xen 4.1.3, I successfully passthrough ATI GPUs only.
 
 Boris
 
 -Message d'origine-
 De : openstack-bounces+boris-michel.deschenes=ubisoft@lists.launchpad.net 
 [mailto:openstack-bounces+boris-michel.deschenes=ubisoft@lists.launchpad.net]
  De la part de Jim Fehlig
 Envoyé : 18 juillet 2012 17:56
 À : John Garbutt
 Cc : openstack@lists.launchpad.net
 Objet : Re: [Openstack] What is the most commonly used Hypervisor and toolset 
 combination?
 
 John Garbutt wrote:
 To my knowledge, if you want to use Xen, using XCP or XenServer (i.e. using 
 XenAPI driver) is the way to go. If you look at the contributions to the 
 drivers, you can have a good guess at who is using them.
 
 I know people are going into production on XenAPI, not heard about 
 Xen+libvirt in production. Having said this, I have seen some fixes to 
 Folsom around Xen + libvirt, I think from SUSE?
 
 
 Yes, I'm slowly working on improving support for xen.org Xen via the libvirt 
 driver and hope to have these improvements in for the Folsom release.
 
 Regards,
 Jim
 
 
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[Openstack] [HPC] Reminder monthly telecon Aug. 6

2012-08-03 Thread John Paul Walters
Hi,

This is just a reminder that we'll hold the first of the monthly HPC telecons 
this Monday, August 6 at 12:00 noon EDT.  We'll use Webex (details below) due 
to the number of people who expressed interest earlier (way more than the 9 
person Google Meetup max).  I'm proposing the following agenda, but I'm open to 
additions or changes.

1) Update on ISI's HPC extensions
2) Comments from anyone who's stood up an HPC cloud or planning to do so
3) User feedback - what's missing from the current HPC extensions.
4) Opportunity for anyone to share best practices


I hope to hear from you on Monday!

best,
JP

--
John Paul Walters invites you to attend this online meeting. 

Topic: HPC Monthly Telecon 
Date: Monday, August 6, 2012 
Time: 12:00 pm, Eastern Daylight Time (New York, GMT-04:00) 
Meeting Number: 923 255 478 
Meeting Password: hpcmonthly 


--- 
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--- 
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2. If requested, enter your name and email address. 
3. If a password is required, enter the meeting password: hpcmonthly 
4. Click Join. 

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Re: [Openstack] [HPC] BoF at SC12

2012-07-23 Thread John Paul Walters
Hi Lorin,

Thanks for the followup.  I'm perfectly happy to go the Openstack-specific 
route, but I haven't received much feedback from the Openstack community.  It 
would be helpful if we could get some sense of community interest (and 
likelihood of attending) to accompany our submission.  What do others think?  
Would others be interested in attending?

JP


On Jul 22, 2012, at 9:12 PM, Lorin Hochstein wrote:

 On Jul 6, 2012, at 1:28 PM, John Paul Walters wrote:
 
 I'm strongly considering putting together a proposal for a BoF (birds of a 
 feather) session at this year's Supercomputing in Salt Lake City.  For those 
 of you who are likely to attend, is anyone else interested?  It's not a huge 
 amount of time invested on my end to put together the proposal, but I'd like 
 to gauge the community interest before doing so.  I would likely broaden 
 things a bit from being exclusively Openstack and instead turn it into more 
 of an HPC in the Cloud session so that we could, perhaps, take some input 
 from other HPC cloud projects.   The submissions are due July 31, so we've 
 got a little bit of time, but not too much.  Anyone else interested?
 
 best,
 JP
 
 
 JP:
 
 I think this was a great idea, we were thinking about proposing this if 
 nobody else did. I would suggest making it OpenStack-specific, since there 
 was  an HPC in the Cloud BoF last year 
 (http://sc11.supercomputing.org/schedule/event_detail.php?evid=bof140), and 
 they'll probably re-apply this year as well. I think we can get critical mass 
 for an OpenStack BoF.
 
 Along these lines: Chris Hoge from U. Oregon gave a talk last week at OSCON 
 about their use of OpenStack on HPC 
 http://www.oscon.com/oscon2012/public/schedule/detail/24261
 
 (There are some good slides attached to that web page)
 
 Take care,
 
 Lorin
 --
 Lorin Hochstein
 Lead Architect - Cloud Services
 Nimbis Services, Inc.
 www.nimbisservices.com
 
 
 

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Re: [Openstack] Baremetal Provisioning and proxy-nova-compute

2012-07-10 Thread John Paul Walters
Trinath,

Do you have a /tftpboot/ directory on your proxy compute server, and if so are 
there any error logs in there?  Please send us any error logs that you find and 
we'll try to get you fixed up.

JP

On Jul 6, 2012, at 6:51 AM, Trinath Somanchi wrote:

 Hi-
 
 I'm currently trying/testing on How Baremetal provisioning works with 
 openstack nova.
 
 when I start nova-compute server in the proxy-nova-compute server, I have 
 seen the following error
 
 2012-07-06 16:13:15 DEBUG nova.service [-] quota_security_group_rules : 20 
 from (pid=11576) wait /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] xenapi_connection_password : FLAG 
 SET  from (pid=11576) wait 
 /usr/lib/python2.7/dist-packages/nova/service.py:409
 2012-07-06 16:13:15 DEBUG nova.service [-] rabbit_virtual_host : / from 
 (pid=11576) wait /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] libvirt_volume_drivers : 
 ['iscsi=nova.virt.libvirt.volume.LibvirtISCSIVolumeDriver', 
 'local=nova.virt.libvirt.volume.LibvirtVolumeDriver', 
 'fake=nova.virt.libvirt.volume.LibvirtFakeVolumeDriver', 
 'rbd=nova.virt.libvirt.volume.LibvirtNetVolumeDriver', 
 'sheepdog=nova.virt.libvirt.volume.LibvirtNetVolumeDriver'] from (pid=11576) 
 wait /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] network_driver : 
 nova.network.linux_net from (pid=11576) wait 
 /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] quota_instances : 10 from 
 (pid=11576) wait /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] vnc_keymap : FLAG SET  from 
 (pid=11576) wait /usr/lib/python2.7/dist-packages/nova/service.py:409
 2012-07-06 16:13:15 DEBUG nova.service [-] image_service : 
 nova.image.glance.GlanceImageService from (pid=11576) wait 
 /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] libvirt_inject_password : FLAG SET 
  from (pid=11576) wait /usr/lib/python2.7/dist-packages/nova/service.py:409
 2012-07-06 16:13:15 DEBUG nova.service [-] control_exchange : nova from 
 (pid=11576) wait /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] cnt_vpn_clients : 0 from 
 (pid=11576) wait /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] log_file : None from (pid=11576) 
 wait /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] compute_manager : 
 nova.compute.manager.ComputeManager from (pid=11576) wait 
 /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] compute_driver : 
 nova.virt.connection.get_connection from (pid=11576) wait 
 /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 DEBUG nova.service [-] network_topic : network from 
 (pid=11576) wait /usr/lib/python2.7/dist-packages/nova/service.py:411
 2012-07-06 16:13:15 AUDIT nova.service [-] Starting compute node (version 
 2012.1-LOCALBRANCH:LOCALREVISION)
 2012-07-06 16:13:16 DEBUG nova.utils 
 [req-dc7cdfb3-e7b6-468d-8c62-9f7c2a6f5291 None None] backend module 
 'nova.db.sqlalchemy.api' from 
 '/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.pyc' from 
 (pid=11576) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658
 2012-07-06 16:13:16 CRITICAL nova [-] Expecting property name: line 1 column 
 2 (char 2)
 2012-07-06 16:13:16 TRACE nova Traceback (most recent call last):
 2012-07-06 16:13:16 TRACE nova   File /usr/bin/nova-compute, line 49, in 
 module
 2012-07-06 16:13:16 TRACE nova service.wait()
 2012-07-06 16:13:16 TRACE nova   File 
 /usr/lib/python2.7/dist-packages/nova/service.py, line 413, in wait
 2012-07-06 16:13:16 TRACE nova _launcher.wait()
 2012-07-06 16:13:16 TRACE nova   File 
 /usr/lib/python2.7/dist-packages/nova/service.py, line 131, in wait
 2012-07-06 16:13:16 TRACE nova service.wait()
 2012-07-06 16:13:16 TRACE nova   File 
 /usr/lib/python2.7/dist-packages/eventlet/greenthread.py, line 166, in wait
 2012-07-06 16:13:16 TRACE nova return self._exit_event.wait()
 2012-07-06 16:13:16 TRACE nova   File 
 /usr/lib/python2.7/dist-packages/eventlet/event.py, line 116, in wait
 2012-07-06 16:13:16 TRACE nova return hubs.get_hub().switch()
 2012-07-06 16:13:16 TRACE nova   File 
 /usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py, line 177, in switch
 2012-07-06 16:13:16 TRACE nova return self.greenlet.switch()
 2012-07-06 16:13:16 TRACE nova   File 
 /usr/lib/python2.7/dist-packages/eventlet/greenthread.py, line 192, in main
 2012-07-06 16:13:16 TRACE nova result = function(*args, **kwargs)
 2012-07-06 16:13:16 TRACE nova   File 
 /usr/lib/python2.7/dist-packages/nova/service.py, line 101, in run_server
 2012-07-06 16:13:16 TRACE nova server.start()
 2012-07-06 16:13:16 

[Openstack] [HPC] Openstack HPC telecon

2012-07-06 Thread John Paul Walters
Hi All,

One of the outputs of the design summit was that folks are interested in 
participating in a monthly (or so) telecon to express feature requests, best 
practices, etc.  I'd like to get this process started.  For those of you who 
are interested, what's the preferred format?  IRC, telephone, something else?  
Depending on the number of people who are interested, we're (ISI) capable of 
hosting a conference call.  

Does something like the first Monday of the month at 4:00pm EDT (UTC-4) work?  
I'm just throwing out that time as something that seems to broadly work on my 
end, but I'd welcome any input from others.

best,
JP
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Re: [Openstack] [HPC] Openstack HPC telecon

2012-07-06 Thread John Paul Walters
Earlier is totally fine.  I want to strike a balance with the people on the 
west coast.  How about noon EDT or even 11am EDT?  Is that getting too early 
for the west coast?

JP


On Jul 6, 2012, at 11:55 AM, Tim Bell wrote:

 
 Would it be possible a bit earlier ? This would be 10pm in Europe so it
 would limit the participation.
 
 Tim
 
 -Original Message-
 From: openstack-bounces+tim.bell=cern...@lists.launchpad.net
 [mailto:openstack-bounces+tim.bell=cern...@lists.launchpad.net] On Behalf
 Of Narayan Desai
 Sent: 06 July 2012 17:08
 To: John Paul Walters
 Cc: openstack@lists.launchpad.net (openstack@lists.launchpad.net)
 Subject: Re: [Openstack] [HPC] Openstack HPC telecon
 
 On Fri, Jul 6, 2012 at 9:51 AM, John Paul Walters jwalt...@isi.edu
 wrote:
 
 Does something like the first Monday of the month at 4:00pm EDT (UTC-4)
 work?  I'm just throwing out that time as something that seems to broadly
 work on my end, but I'd welcome any input from others.
 
 That generally works fine for me.
 -nld
 
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Re: [Openstack] [HPC] Openstack HPC telecon

2012-07-06 Thread John Paul Walters
Stefano,


 
 This is a great idea. HPC is an interesting topic and discussions around
 it may be useful for lots of people. As format, I would suggest
 something that can be recorded and played back conveniently, after it
 happened. Casual Hangouts on Google are very trendy lately (it's the new
 toy) and come with the advantage of going to youtube once they're done.
 The good old audio conference is also good, if it can be recorded can
 become a podcast. There are plenty of tools available for that.
 
 What would be an 'agenda' (loosely defined points to discuss or
 illustrate?) for the first meeting?
 

A Google Hangout is an option.  My only reluctance is that I don't want a 
Google+ account to be a barrier to participation if we can avoid it.  I don't 
have a strong opinion here, do others?


As far as an agenda, I'd like to accomplish the following:

1) I'd like to hear from those who are currently or /planning to stand up an 
HPC cloud
2) Discussion on the best practices for (1)
3) I'd like to give an update on the HPC extensions we're working on
4) User feedback - what features are missing (low hanging fruit, especially)

This may be more than we can get to in an initial meeting, but it's a start.  
I'm also open to other agenda items.

best,
JP


 Does something like the first Monday of the month at 4:00pm EDT 
 (UTC-4) work?  I'm just throwing out that time as something that 
 seems to broadly work on my end, but I'd welcome any input from 
 others.
 
 That may be problematic for Europeans. Who else would be interested in
 speaking? If we record the chat, listeners can enjoy it any time.
 
 /stef


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[Openstack] [HPC] BoF at SC12

2012-07-06 Thread John Paul Walters
I'm strongly considering putting together a proposal for a BoF (birds of a 
feather) session at this year's Supercomputing in Salt Lake City.  For those of 
you who are likely to attend, is anyone else interested?  It's not a huge 
amount of time invested on my end to put together the proposal, but I'd like to 
gauge the community interest before doing so.  I would likely broaden things a 
bit from being exclusively Openstack and instead turn it into more of an HPC in 
the Cloud session so that we could, perhaps, take some input from other HPC 
cloud projects.   The submissions are due July 31, so we've got a little bit of 
time, but not too much.  Anyone else interested?

best,
JP
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Re: [Openstack] Openstack Baremetal Provisioning

2012-07-04 Thread John Paul Walters
Hi Trinath,

That means that the Tilera image is stored in Glance, like any other VM image 
(except that in this case it's not a virtual machine).  When a request comes to 
start a Tilera instance, the proxy wakes up the Tilera node using a network 
controlled PDU.  From there, the Tilera node either tftp boots of nfs boots 
(I'm sorry, I don't have the details immediately available).

best,
JP

- Original Message -
From: Trinath Somanchi trinath.soman...@gmail.com
To: John Paul Walters jwalt...@isi.edu
Cc: openstack@lists.launchpad.net
Sent: Wednesday, July 4, 2012 4:54:16 AM
Subject: Re: [Openstack] Openstack Baremetal Provisioning

Hi- 

Please help me in this regard. 

Thanking you all... 

-- 
Trinath S 


On Tue, Jul 3, 2012 at 4:54 PM, Trinath Somanchi  trinath.soman...@gmail.com  
wrote: 


Hi- 

With respect to the web link 
http://wiki.openstack.org/HeterogeneousTileraSupport , 



 


For supporting non-x86 architecture (ex. TILERA), Proxy Compute Node should be 
designed. An x86 Proxy Compute Node is connected to the TILEmpower boards 
through network. A Proxy Compute Node may handle multiple TILEmpower boards. 
TILEmpower boards are connected to the network such that a cloud user can ssh 
into them directly after an instance starts on the TILEmpower board. A 
TILEmpower board is configured to be tftp-bootable or nfs-bootable. Proxy 
Compute Node behaves as the tftp/nfs server for the TILEmpower boards. After 
Proxy Compute node receives instance images from the image server, it wakes up 
a TILEmpower board and controls their booting. Once a TILEmpower board is 
booted, Proxy Compute Node doesn't do anything except 
terminating/rebooting/power-down/power-up of the board. Once Tilera instance is 
running, user can access the TILEmpower board, not Proxy Compute Node, through 
ssh. Here, we assume that Proxy Compute Node can power on/off TILEmpower boards 
remotely using PDU(Power Distribute Unit). The block diagram shown below 
describes the procedure in detail... 

 

In an general environment, Nova-compute with the help of Nova-scheduler, boots 
an image instance at Server-2/ESSEX-2/Nova-agent server. 

Can any one help me in understanding the above colored lines  

Thanking you... 

-- 
Trinath S 






On Tue, Jul 3, 2012 at 12:27 PM, Trinath Somanchi  trinath.soman...@gmail.com 
 wrote: 


Hi- 

Thanks a lot for the reply... This helped me understand a bit more. 

I have this kind of setup in mind. 



[ ESSEX-1] --- [ ESSEX-2 ] --- [--- TILERA HW---] 

x_86 HW x_86 HW NON x_86 HW 

Nova-Compute Proxy-Nova-Compute New Hardware Device. 





So, change the config in nova.conf in ESSEX-2 server to bare-metal and tilera 
specific config makes the nova-compute to proxy-nova-compute. 

I have a doubt here, I have an idea on using Nova-compute to bringing up VM's 
in ESSEX-2 when its another Nova-compute. But not we have Proxy-Nova-compute in 
the ESSEX-2 and we have no VM's here rather we have new Hardware board to 
bootup. 

How will the Commands from Nova-compute in ESSEX-1 differ to bring up TILERA HW 
board using the Proxy-Nova-compute in ESSEX-2 ? 

Please kindly help me understand this scenario. 

Thanks a lot for the reply... 
-- 
Trinath S. 








On Tue, Jul 3, 2012 at 12:54 AM, John Paul Walters  jwalt...@isi.edu  wrote: 




Hi Trinath, 


It's not clear whether the tilera board you're referring to is one of the PCI 
versions or a stand-alone board (is it in Essex-1?). We've never setup/tested 
anything other than the TILEmpower stand-alone board with our bare-metal 
provisioning service. That said, in order to make your nova-compute on Essex-2, 
you need to configure nova.conf as I described earlier: set the 
connection_type=baremetal, set the baremetal_driver=tilera, and set your path 
to tile-monitor appropriately. That's what makes it a proxy node, which is 
otherwise run as a regular nova-compute. 


JP 






On Jul 2, 2012, at 12:42 PM, Trinath Somanchi wrote: 



Hi- 

Thanks a lot for the reply JP. 


The information provided is of most value for me. 


I have a doubt here. 


I will install Nova-compute in a server say Essex-1 and another server say 
Essex-2. 


I have a tilera board too in the setup. 


Can you please guide me on how to start this tilera board using Nova-compute in 
Essex-1 machine. and How Nova-compute in Essex-2 can be made as 
Proxy-Nova-compute. I mean what changes to Nova-compute makes Proxy 
nova-compute. 


On Mon, Jul 2, 2012 at 9:32 PM, John Paul Walters  jwalt...@isi.edu  wrote: 




Hi Trinath, 


Our baremetal experts are on vacation for the next week or so, so I'll take a 
stab at answering in their absence. First, just to be clear, right now the 
baremetal work that's present in Essex supports ONLY the Tilera architecture. 
We're working with the NTT folks to add additional support, but it's not in 
Essex. We've tested on TILEmpower rack-mountable units. You'll need a baremetal 
proxy (x86) machine

Re: [Openstack] Heterogeneous hardware support

2012-07-03 Thread John Paul Walters
Hi,

I'm not sure that I fully understand the security angle that you're getting at 
here, but you and Jay are right that we're focusing on adding heterogeneity to 
Openstack.  Right now we support large shared memory x86 machines, like SGI 
UVs, GPUs, and Tilera systems.  The blueprints you linked to probably need some 
updating, but they capture the gist of what we're up to.  So far, we've been 
focusing on HPC-style workloads.  But if you  had a security application that 
ran on one of the Tilera boxes, I see no reason why you couldn't use Openstack 
to provision it.

We'd be interested in hearing if there's anything in particular that our 
heterogeneous support is lacking that would enable, for example, cloud WAF or 
other security services.

best,
JP


On Jul 3, 2012, at 1:22 AM, balaji patnala wrote:

 Hi Jay,
  
 Thanks for information.
  
 As it is observed that there is some work going on by UCIS team for Folsom 
 release on Heterogeneous support.
  
 Please find the below link:
  
 i) http://wiki.openstack.org/ScheduleHeterogeneousInstances
 ii)
 http://wiki.openstack.org/HeterogeneousArchitectureScheduler
 
 which discusses about  support for Heterogeneous platform support for Open 
 Stack.
  
 Also in one of the document published by Rackspace, it is said that the 
 heterogeneous platform support can be done by having multiple Zones in the 
 cloud. But i doubt this way will have more performance impact and also have 
 more complex networking issues.
  
 It is observed that Essex Release is not supporting Zones and came to know 
 from mailing list that this support will be available in Folsom release as 
 Cells.
  
 I think  that this heterogeneous platform support will enable more options 
 for service providers and as well users for L2/L3 services applications like 
 security services,WAF,LB etc on different platforms in cloud network.
  
 Iam sorrry if the below queries didnt gave clear information.
 
 On Tue, Jul 3, 2012 at 12:04 AM, Jay Pipes jaypi...@gmail.com wrote:
 On 07/02/2012 12:09 PM, balaji patnala wrote:
  Hi Jay,
 
  As you know that L2 and L3 services could be the next step of offering
  as Services from Cloud providers. Security Applications like
  WAF,IPS,Firewall,VPN etc can be offered as services. These security
  applications can be run in VMs on Heterogeneous hardware like Freescale
  and any other platforms.
 
 I'm not sure if heterogeneous hardware supported is specifically related
 to security, but ...
 
  Open Stack must support for the Heterogeneous hardware to enable
  different hardware platforms apart from x86.
 
 There's nothing about OpenStack, in general, that is specific to x86
 hardware. It's Python, so if the Linux distribution of your preference
 runs on some other hardware architecture, have at it. The images you
 deploy will need to be tailored to the hardware architecture, of course,
 but that isn't the realm of what OpenStack services do -- that's up to
 the deployer.
 
  Please share with us if you have any examples of similar deployments in
  Clouds.
 
 ISI is the group most actively working on heterogeneous architecture
 support, but I don't believe they are focusing on security-related
 things at all.
 
 Best,
 -jay
 
  On Mon, Jul 2, 2012 at 5:59 PM, Jay Pipes jaypi...@gmail.com
  mailto:jaypi...@gmail.com wrote:
 
  On 07/02/2012 01:23 AM, balaji patnala wrote:
   Hi,
  
   Does open stack [Essex] release support Heterogeneous hardware for
   creating VMs with Security Applications?
   If not, what is the road map for this. Please let me know.
 
  Could you please elaborate on what you mean by creating VMs with
  security applications?
 
  Thanks,
  -jay
 
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Re: [Openstack] Openstack and Google Compute Engine

2012-07-03 Thread John Paul Walters
Matt,

I agree with almost everything that you're saying, except to add that we hope 
to change things.  I hope that our work at ISI is moving in that direction.  
But you're right, hypervisors add some overhead, network performance isn't 
always great, etc.  Things are changing, albeit slowly, but I'm optimistic that 
we'll get there.  Amazon's #70-something ranked supercomputer is evidence that 
the cloud can compete, at least as far as stunt computers (HPL) go.  That the 
cloud enables you to customize your environment has proven to be a very 
powerful motivation for the folks that we work with.  

That reminds me, we had intended to set up a monthly (or so) HPC telecon after 
the most recent design summit.  I'd like to follow up with that.  I'll send a 
separate email to get that going, for those that are interested.

best,
JP  



On Jul 3, 2012, at 10:12 AM, Matt Joyce wrote:

 
 On Tue, Jul 3, 2012 at 2:01 AM, Simon G. semy...@gmail.com wrote:
 Secondly, I don't think we shouldn't compare GCE to Openstack. I understand 
 that right now cloud (Openstack, Amazon, ...) is just easy in use, managed 
 and scalable datacenter. It allows users to create VMs, upload their images, 
 easily increase their (limited) demands, but don't you think that HPC is the 
 right direction? I've always thought that final cloud's goal is to provide 
 easy in use HPC infrastructure. Where users could do what they can do right 
 now in the clouds (Amazon, Openstack), but also could do what they couldn't 
 do in typical datacenter. They should run instance, run compute-heavy 
 software and if they need more resources, they just add them. if cloud is 
 unable to provide necessary resources, they should move their app to bigger 
 cloud and do what they need. Openstack should be prepared for such large 
 deployment. It should also be prepared for HPC use cases. Or if it's not 
 prepared yet, it should be Openstack's goal.
 
 HPC in the cloud operates more like a grid computing solution.  With things 
 like Amazon HPC or HPC under openstack the idea is to allocate entire 
 physical systems to a user on the fly.  Traditionally to date that has been 
 done with m1.full style instances.  In many ways bare metal provisioning is a 
 better option here than a hypervisor.  And for many people who do work in an 
 HPC environment bare metal really is the only solution that makes sense.  
 
 The reality is that HPC use cases lose a lot of the underlying benefits of 
 cloud infrastructure.  So they really are something of an edge case at the 
 moment.  I believe that bare metal provisioning from within openstack could 
 be a bit of a game changer in HPC, and that it could be useful in a wide 
 variety of areas.  But, ultimately I believe the usage that HPC in no way 
 reflects general computing needs.  And that really sums it up.  Most folks do 
 not need or want HPC.  Most folks with HPC needs don't want a hypervisor 
 slowing down their memory access.
  
 I know that clouds are fulfilling current needs for scalable datacenter, but 
 it should also fulfill future needs. Apps are faster and faster. More often 
 they do image processing, voice recognition, data mining and it should be 
 clouds' goal to provide an easy way to create such advanced apps, not just 
 simple web server which could be scaled up, by adding few VMs and load 
 balancer to redirect requests. Infrastructure should be prepared even for 
 such large deployment like that in google. It should also be optimized and 
 support heavy computations. In the future it should be as efficient as grids 
 (or almost as efficient), because ease of use has already been achieved. If, 
 right now, it's easy to deploy VM into the cloud, the next step should be to 
 optimize infrastructure to increase performance. 
 
 Apps are actually slower and slower.  The hardware is faster.  The 
 Applications themselves abstract more and more and thus slow down.  As for 
 what you do on your instances, that's entirely your own thing herr user.  
 Some large data and some serious compute use cases simply don't lend 
 themselves to cloud today.  Hypervisors are limiting in so far as they give 
 up some speed to provide the ability to share resources better.  If you have 
 no desire to share resources then virt machines become something of an 
 impediment to you.  So I don't see this as being accurate for some use cases.
 
 There are also other external limiting factors.  People don't just turn on a 
 dime.  Many of the scientific and industrial applications of computing power 
 are built around software stacks that have grown over time, and for a long 
 time.  Those stacks can't be made to easily adopt the benefits of a new 
 technology.  Sometimes the reason not to use cloud as a platform is entirely 
 related to your inability to modify an existing software suite enough to make 
 it worthwhile.  I have seen this before at super computing facilities.
  
 I've always thought about clouds in that way. 

Re: [Openstack] Openstack Baremetal Provisioning

2012-07-02 Thread John Paul Walters
Hi Trinath,

Our baremetal experts are on vacation for the next week or so, so I'll take a 
stab at answering in their absence.  First, just to be clear, right now the 
baremetal work that's present in Essex supports ONLY the Tilera architecture.  
We're working with the NTT folks to add additional support, but it's not in 
Essex.  We've tested on TILEmpower rack-mountable units.  You'll need a 
baremetal proxy (x86) machine that will run nova-compute and handle the 
provisioning of resources.  Most of the nova.conf options are shown at:

http://docs.openstack.org/essex/openstack-compute/admin/content/compute-options-reference.html

But it appears that there's at least one omission:  you'll need to set your 
--connection_type=baremetal on the proxy node.  Probably the most important 
options are: --baremetal_driver=tilera, 
--tile_monitor=/path/to/tile-monitor/.  I would suggest that you have a look 
at the link above under the baremetal section to see what other options might 
apply to your environment.  

http://wiki.openstack.org/HeterogeneousTileraSupport

Note that you'll need to set up tftp so that the Tilera boards can pick up a 
boot rom. You'll also need to create a tilera-specific file system.  

I hope this helps.

best,
JP


On Jul 2, 2012, at 8:05 AM, Trinath Somanchi wrote:

 Hi-
 
 Please help me in understanding and bringing up this kind of setup
 
 Kindly please help me in this regard.
 
 I have checked nova.conf and found bare metal provisioning support options.
 
 Please help me understand on how modifying nova.conf with the respective 
 options can help bringing up tilera like machines up either from command line 
 or from GUI.
 
 Thanks in advance..
 
 --
 Trinath S
 
 On Mon, Jul 2, 2012 at 12:13 PM, Trinath Somanchi 
 trinath.soman...@gmail.com wrote:
 Hi-
 
 As explained in the email, With respect to the link, 
 
 http://wiki.openstack.org/GeneralBareMetalProvisioningFramework
 
 Can you kindly guide/brief me on 
 https://github.com/usc-isi/essex-baremetal-support (Stable/Essex) 
 
 I mean Install/Config/Testing of the Provisioning support.
 
 Thanking you,
 
 -- 
 Regards,
 --
 Trinath Somanchi,
 +91 9866 235 130
 
 
 
 
 -- 
 Regards,
 --
 Trinath Somanchi,
 +91 9866 235 130
 
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Re: [Openstack] Openstack Baremetal Provisioning

2012-07-02 Thread John Paul Walters
Hi Trinath,

It's not clear whether the tilera board you're referring to is one of the PCI 
versions or a stand-alone board (is it in Essex-1?).  We've never setup/tested 
anything other than the TILEmpower stand-alone board with our bare-metal 
provisioning service.  That said, in order to make your nova-compute on 
Essex-2, you need to configure nova.conf as I described earlier: set the 
connection_type=baremetal, set the baremetal_driver=tilera, and set your path 
to tile-monitor appropriately.  That's what makes it a proxy node, which is 
otherwise run as a regular nova-compute.  

JP


On Jul 2, 2012, at 12:42 PM, Trinath Somanchi wrote:

 Hi-
 
 Thanks a lot for the reply JP.
 
 The information provided is of most value for me.
 
 I have a doubt here. 
 
 I will install Nova-compute in a server say Essex-1 and another server say 
 Essex-2.
 
 I have a tilera board too in the setup.
 
 Can you please guide me on how to start this tilera board using Nova-compute 
 in Essex-1 machine. and How Nova-compute in Essex-2 can be made as 
 Proxy-Nova-compute. I mean what changes to Nova-compute makes Proxy 
 nova-compute.
 
 On Mon, Jul 2, 2012 at 9:32 PM, John Paul Walters jwalt...@isi.edu wrote:
 Hi Trinath,
 
 Our baremetal experts are on vacation for the next week or so, so I'll take a 
 stab at answering in their absence.  First, just to be clear, right now the 
 baremetal work that's present in Essex supports ONLY the Tilera architecture. 
  We're working with the NTT folks to add additional support, but it's not in 
 Essex.  We've tested on TILEmpower rack-mountable units.  You'll need a 
 baremetal proxy (x86) machine that will run nova-compute and handle the 
 provisioning of resources.  Most of the nova.conf options are shown at:
 
 http://docs.openstack.org/essex/openstack-compute/admin/content/compute-options-reference.html
 
 But it appears that there's at least one omission:  you'll need to set your 
 --connection_type=baremetal on the proxy node.  Probably the most important 
 options are: --baremetal_driver=tilera, 
 --tile_monitor=/path/to/tile-monitor/.  I would suggest that you have a 
 look at the link above under the baremetal section to see what other options 
 might apply to your environment.  
 
 http://wiki.openstack.org/HeterogeneousTileraSupport
 
 Note that you'll need to set up tftp so that the Tilera boards can pick up a 
 boot rom. You'll also need to create a tilera-specific file system.  
 
 I hope this helps.
 
 best,
 JP
 
 
 On Jul 2, 2012, at 8:05 AM, Trinath Somanchi wrote:
 
 Hi-
 
 Please help me in understanding and bringing up this kind of setup
 
 Kindly please help me in this regard.
 
 I have checked nova.conf and found bare metal provisioning support options.
 
 Please help me understand on how modifying nova.conf with the respective 
 options can help bringing up tilera like machines up either from command 
 line or from GUI.
 
 Thanks in advance..
 
 --
 Trinath S
 
 On Mon, Jul 2, 2012 at 12:13 PM, Trinath Somanchi 
 trinath.soman...@gmail.com wrote:
 Hi-
 
 As explained in the email, With respect to the link, 
 
 http://wiki.openstack.org/GeneralBareMetalProvisioningFramework
 
 Can you kindly guide/brief me on 
 https://github.com/usc-isi/essex-baremetal-support (Stable/Essex) 
 
 I mean Install/Config/Testing of the Provisioning support.
 
 Thanking you,
 
 -- 
 Regards,
 --
 Trinath Somanchi,
 +91 9866 235 130
 
 
 
 
 -- 
 Regards,
 --
 Trinath Somanchi,
 +91 9866 235 130
 
 ___
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 -- 
 Regards,
 --
 Trinath Somanchi,
 +91 9866 235 130
 

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Re: [Openstack] Greatest deployment?

2012-05-24 Thread John Paul Walters
Hi,

On May 24, 2012, at 5:45 AM, Thierry Carrez wrote:

 
 
 OpenNebula has also this advantage, for me, that it's designed also to
 provide scientific cloud and it's used by few research centres and even
 supercomputing centres. How about Openstack? Anyone tried deploy it in
 supercomputing environment? Maybe huge cluster or GPU cluster or any
 other scientific group is using Openstack? Is anyone using Openstack in
 scentific environement or Openstack's purpose is to create commercial
 only cloud (business - large and small companies)?
 
 OpenStack is being used in a number of research clouds, including NeCTAR
 (Australia's national research cloud). There is huge interest around
 bridging the gap there, with companies like Nimbis or Bull being involved.
 
 Hopefully people with more information than I have will comment on this
 thread.
 
 
We're developing GPU, bare metal, and large SMP (think SGI UV) support for 
Openstack and we're targeting HPC/scientific computing workloads.  It's a work 
in progress, but we have people using our code and we're talking to folks about 
getting our code onto nodes within FutureGrid.  We have GPU support for LXC 
right now, and we're working on adding support for other hypervisors as well.  
We're also working on getting the code into shape for merging upstream, some of 
which (the bare metal work) has already been done.  We had an HPC session at 
the most recent Design Summit, and it was well-attended with lots of great 
input.  If there are specific features that you're looking for, we'd love to 
hear about it.  

By the way, all of our code is available at https://github.com/usc-isi/nova, so 
if you'd like to try it out before it gets merged upstream, go for it.

best,
JP


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Re: [Openstack] OpenStack support: KVM vs. QEMU

2012-05-08 Thread John Paul Walters
What about PCI passthrough?  I'm not certain, because I've never tried it 
without KVM, but I'd be surprised if it worked outside of KVM.

JP



On May 8, 2012, at 4:30 PM, Razique Mahroua wrote:

 Hi Lorin,
 not that I'm aware off. In fact, even out from Nova, both have the similar 
 features. The only doubt I have is the implementation called snapshot2 
 which is a blueprint at Qemu, but any other features are common for both. 
 Appart the speed dev. I thnik the KVM team tries to stick to the qemu dev. 
 when it comes to features
 Razique
  
 Nuage  Co - Razique Mahroua 
 razique.mahr...@gmail.com
 
 NUAGECO-LOGO-Fblan_petit.jpg
 
 Le 8 mai 2012 à 22:08, Lorin Hochstein a écrit :
 
 Are there any Nova features that work with KVM but don't work with QEMU? 
 Either way, I'd like to capture this in the documentation
 
 I know that KVM is faster than QEMU because of hardware support, but I don't 
 know if there's additional functionality that only works with KVM. The 
 Hypervisor support matrix wiki page 
 http://wiki.openstack.org/HypervisorSupportMatrix has no specific 
 information on OpenStack features supported by KVM but not QEMU
 
 
 Take care,
 
 Lorin
 --
 Lorin Hochstein
 Lead Architect - Cloud Services
 Nimbis Services, Inc.
 www.nimbisservices.com
 
 
 
 
 
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Re: [Openstack] RHEL 5 6 OpenStack image archive...

2012-03-02 Thread John Paul Walters
David,

We're currently in the process of building Essex-3/Essex-4 RPMs locally at 
USC/ISI for our heterogeneous Openstack builds.  When I looked at the EPEL 
testing repo, it looked like the packages that are currently available are 
right around Essex-1.  Are there any plans to update to the more recent 
versions?  Perhaps we could collaborate.

best,
JP



On Mar 2, 2012, at 4:05 PM, David Busby wrote:

 We currently have openstack available in EPEL testing repo, help in testing 
 is appreciated.
 
 Sent from my iPhone
 
 On 2 Mar 2012, at 18:13, Edgar Magana (eperdomo) eperd...@cisco.com wrote:
 
 Hi Marc,
  
 I ended up creating my own RHEL 6.1 image. If you want I can share it with 
 you.
  
 Thanks,
  
 Edgar Magana
 CTO Cloud Computing
  
 From: openstack-bounces+eperdomo=cisco@lists.launchpad.net 
 [mailto:openstack-bounces+eperdomo=cisco@lists.launchpad.net] On Behalf 
 Of J. Marc Edwards
 Sent: Friday, March 02, 2012 8:23 AM
 To: openstack@lists.launchpad.net
 Subject: [Openstack] RHEL 5  6 OpenStack image archive...
  
 Can someone tell me where these base images are located for use on my 
 OpenStack deployment?
 Kind regards, Marc
 -- 
 
 J. Marc Edwards
 Lead Architect - Semiconductor Design Portals
 Nimbis Services, Inc.
 Skype: (919) 747-3775
 Cell:  (919) 345-1021
 Fax:   (919) 882-8602
 marc.edwa...@nimbisservices.com
 www.nimbisservices.com
 
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