[Openstack] howto rescue an instance from a dead host

[gtt116]

Hi all,

Any way to rescure an instance when its host is dead.
Although that teminate and boot a new one is a choice, but is there any
way to keep the instance's fixed-ips, UUID, floating-ips, etc?

I think resize, migrate and live-migrate may not work.

-- 
best regards,
gtt



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Re: [Openstack] [quantum] Relationship between br-int and physical bridge mapping in OVS plugin

[Dan Wendlandt]

On Sun, Nov 4, 2012 at 9:57 PM, Vinay Bannai  wrote:

> I have a multi node setup. The CC controller doubles up as the quantum
> server and also has the l3 agent and DHCP. I have configured OVS as my
> L2 plugin with vlan tunneling. On the compute nodes, I see that in
> addition to having the integration bridge (br-int) you will also need
> the ovs physical bridge (br-th1) with the physical ether port eth1 as
> a member. I am wondering about the relationship between br-int and
> br-eth1 bridges. Wouldn't it make sense to add eth1 port to the
> integration mode.


you might have quantum networks that use vlans on different on different
physical NICs (e.g., eth0 and eth1), so adding each NIC directly to br-int
wouldn't make sense.  Similarly, you might have some quantum networks that
also use tunneling.  Hence, all vNICs are just plugged into br-int, and the
plugin is responsible for doing the right thing with the traffic.

Dan




> Why have two bridges on the compute node for VMs to
> talk to other VMs in the same tenancy over the physical network?
> I am sure I am missing something in my understanding so would
> appreciate any comments or explanations.
>
> Thanks
> Vinay
>
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-- 
~~~
Dan Wendlandt
Nicira, Inc: www.nicira.com
twitter: danwendlandt
~~~
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[Openstack] Scope of System Admin works in Openstack

[Ganesh Hariharan]

Hi All

please throw some lights on the possible system administration activity in
Openstack technologies

thx
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Re: [Openstack] Running other services on swift nodes

[John Dickinson]

From the Swift perspective, there isn't any reason other services can't be run 
on the Swift boxes. I'd check for a few things, though.

1) Make sure dependencies aren't in conflict. Thanks to the work of the CI 
team, this should be mostly sane.

2) Obviously, monitor your systems and don't overload something. Some parts of 
Swift will use CPU (eg the proxy servers) and other will use IOPS (eg container 
and object servers). Try to balance the other things you run to complement each 
other.

3) If you have enough hardware to have separate proxy and storage nodes, Swift 
assumes that your storage nodes will be on a private network (ie Swift doesn't 
provide any additional security to the messages within the cluster). Although 
there are some proposed ideas about making this better, I wouldn't put other 
public services on boxes running the backend Swift storage processes, at least 
without some additional limitations on what can connect to the Swift ports.

4) Make sure the ports you are running the services on don't conflict. All of 
the ports used by Swift are configurable.

So while it's not a "terrible, terrible idea", I certainly wouldn't call it 
"best practice". You can make it work, just pay attention to what you're doing.

--John




On Nov 4, 2012, at 5:18 PM, Tom Fifield  wrote:

> Hi,
> 
> This came in as a doc bug, but I thought I'd throw it to the list:
> 
> https://bugs.launchpad.net/openstack-manuals/+bug/988053
> 
> "I think it would be worthwhile to talk about what services can be
> co-located on the same servers as Swift. For example "Can I run Keystone
> in combination with Swift Proxy and Swift Storage?""
> 
> example other potential combo that "might not break": glance / swift proxy
> 
> I think this is most relevant to small-scale deployments, where there
> isn't quite enough hardware to go around, rather than anywhere
> approaching best practice ;)
> 
> 
> Realistically expecting "this is a terrible, terrible idea" replies to
> this, but perhaps reasons, and the odd outside-the-box idea will be
> presented ...
> 
> 
> Regards,
> 
> Tom
> 
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[Openstack] [quantum] Relationship between br-int and physical bridge mapping in OVS plugin

[Vinay Bannai]

I have a multi node setup. The CC controller doubles up as the quantum
server and also has the l3 agent and DHCP. I have configured OVS as my
L2 plugin with vlan tunneling. On the compute nodes, I see that in
addition to having the integration bridge (br-int) you will also need
the ovs physical bridge (br-th1) with the physical ether port eth1 as
a member. I am wondering about the relationship between br-int and
br-eth1 bridges. Wouldn't it make sense to add eth1 port to the
integration mode. Why have two bridges on the compute node for VMs to
talk to other VMs in the same tenancy over the physical network?
I am sure I am missing something in my understanding so would
appreciate any comments or explanations.

Thanks
Vinay

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Re: [Openstack] Announcing Moniker - DNS Services for OpenStack

[Atul Jha]

Awesome!!


From: openstack-bounces+atul.jha=csscorp@lists.launchpad.net 
[openstack-bounces+atul.jha=csscorp@lists.launchpad.net] on behalf of Kiall 
Mac Innes [ki...@managedit.ie]
Sent: Monday, November 05, 2012 5:45 AM
To: OpenStack Development Mailing List; openstack@lists.launchpad.net 
(openstack@lists.launchpad.net)
Cc: Galbraith, Patrick; tom_creigh...@cable.comcast.com; monty.tay...@hp.com; 
Martin, JC
Subject: [Openstack] Announcing Moniker - DNS Services for OpenStack

Hi all,

Moniker has recently found a new home on StackForge, and has started generating 
some interest from the community - so - time for an official announcement!

Moniker provides DNSaaS services for OpenStack:

  *   REST API for domain/record management
  *   Multi-tenant
  *   Integrated with Keystone for authentication
  *   Framework in place to integrate with Nova and Quantum notifications (for 
auto-generated records)
  *   Support for Bind9 out of the box (Refactoring this to be more pluggable 
will be complete in the next few days)
  *   .. I've probably missed lot's more off this list!

The code is available via the StackForge GitHub organization[1], bugs are at 
launchpad[2] and (currently incomplete) docs are on pypi[3]. Contributions are 
welcome via the usual OpenStack methods i.e. Gerrit[4].

Finally - We have our second weekly meeting scheduled for this Wednesday at 
18:00 UTC in #openstack-meeting, anyone with an interest in DNSaaS is welcome 
to attend.

Thanks,
Kiall

[1]: https://github.com/stackforge/moniker
[2]: https://launchpad.net/moniker
[3]: http://packages.python.org/moniker
[4]: http://wiki.openstack.org/GerritWorkflow

Cheers!!

Atul Jha
http://www.csscorp.com/common/email-disclaimer.php

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Re: [Openstack] VM connectivity

[Veera Reddy]

Hi Salvatore,

I am using quantum as a network service.

Services running:

*Controller **(Ubuntu 12.04) X86**:*

· nova-api

· nova-cert

· nova-consoleauth

· nova-scheduler

· quantum-server

*Network Node (Ubuntu 12.04) X86:*

· quantum-plugin-openvswitch-agent

· quantum-dhcp-agent

· quantum-l3-agent



*Compute Node (IBM Power PC):*

· nova-api

· nova-compute

· ovsdb-server

· quantum-plugin-openvswitch-agent





Regards,
Veera

On Fri, Nov 2, 2012 at 5:48 PM, Salvatore Orlando wrote:

> Hi Veera,
>
> Is your setup using nova-network or Quantum?
> what network services are you running in the controller node?
>
> If you're using quantum you might provide information about the plugin
> you're using; in case of nova-network, knowing which network manager you're
> running might help the community suggesting the right answer for you.
>
> Regards,
> Salvatore
>
> On 2 November 2012 10:30, Veera Reddy  wrote:
>
>> Hi ,
>>
>> I have a setup, which includes
>>
>> Folsom Controller (Ubunut 12.04)
>> Folsom Compute Node (Ubunut 12.04)
>> Folsom Compute Node (IBM Power PC)
>>
>> I am able to create instances on IBM Power PC, but not able get ip
>> address from dnsmasq.
>> Instances created on X86 compute node are getting ip address from same
>> dnsmasq.
>> Please suggest.
>> Thanks in advance.
>> --
>> Regards,
>> VeeraReddy.B
>>
>>
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>>
>
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Re: [Openstack] How to know capability of cloud resource pool?

[Shake Chen]

I remembar in Diablo Dashboard, the admin user would show all the resource
about the CPU and memery.

but in Essex, have no this feature.  anybody know why.



On Mon, Nov 5, 2012 at 2:35 AM, Aniruddha Khadkikar
wrote:

> On Sun, Nov 4, 2012 at 5:45 AM, Ray Sun  wrote:
> > Is there any method to get the resource pool
> capability(CPU/Memory/Storage)
> > in the cloud? Can OpenStack auto detect the resource when a new node join
> > in?
> > If not, is there a roadmap to implement it?
> >
>
> My thoughts exactly. Last week we began working with quotas for each
> tenant and it struck me too that there does not seem a way through
> Openstack to understand what's the total resource capacity of the
> cloud. This would help in benchmarking how efficiently currently
> provisioned resources are being utilized and if there is a need of
> adding/removing nodes from the cloud.
>
> Cheers
> Aniruddha
>
> > Thanks.
> >
> > - Ray
> > Yours faithfully, Kind regards.
> >
> > CIeNET Technologies (Beijing) Co., Ltd
> > Email: qsun01...@cienet.com.cn
> > Office Phone: +86-01081470088-7079
> > Mobile Phone: +86-13581988291
> >
> >
> > ___
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-- 
Shake Chen
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Re: [Openstack] Announcing Moniker - DNS Services for OpenStack

[Shake Chen]

Hi

whether can consider intergrate with Horizon. let user can manage the dns
in Dashborad.

like linode.



On Mon, Nov 5, 2012 at 8:15 AM, Kiall Mac Innes  wrote:

> Hi all,
>
> Moniker has recently found a new home on StackForge, and has started
> generating some interest from the community - so - time for an official
> announcement!
>
> Moniker provides DNSaaS services for OpenStack:
>
>- REST API for domain/record management
>- Multi-tenant
>- Integrated with Keystone for authentication
>- Framework in place to integrate with Nova and Quantum notifications
>(for auto-generated records)
>- Support for Bind9 out of the box (Refactoring this to be
>more pluggable will be complete in the next few days)
>- .. I've probably missed lot's more off this list!
>
> The code is available via the StackForge GitHub organization[1], bugs are
> at launchpad[2] and (currently incomplete) docs are on pypi[3].
> Contributions are welcome via the usual OpenStack methods i.e. Gerrit[4].
>
> Finally - We have our second weekly meeting scheduled for this Wednesday
> at 18:00 UTC in #openstack-meeting, anyone with an interest in DNSaaS is
> welcome to attend.
>
> Thanks,
> Kiall
>
> [1]: https://github.com/stackforge/moniker
> [2]: https://launchpad.net/moniker
> [3]: http://packages.python.org/moniker
> [4]: http://wiki.openstack.org/GerritWorkflow
>
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>


-- 
Shake Chen
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Re: [Openstack] Resize Server problem from jovaunn.com, hangzhou, China!!!

[Wangpan]

Yes, good job!
Reminder: you should always restart the related service when you changed the 
configuration or the source code, otherwise the changes will NOT take effect.
you can look up the source code where use the configuration you have changed to 
find the related service which should be restarted.

2012-11-05



Wangpan



发件人：蒋平
发送时间：2012-11-04 15:59
主题：Fw:Re: [Openstack] Resize Server problem from jovaunn.com, hangzhou,China!!!
收件人："hzwangpan"
抄送：

Hi,wangpan
   I have successfully fixed the bug,you should not only add 
'allow_resize_to_same_host=True',but also input "service nova-compute restart" 
and "service nova-api restart" too,that's wonderful!!!


-- Original --
From:  "蒋平";
Date:  Sun, Nov 4, 2012 01:27 PM
To:  "Wangpan"; 
Subject:  Re: [Openstack] Resize Server problem from jovaunn.com, 
hangzhou,China!!!

Hi wangpan,
I really appreciate your help for the bug,I have added  
'allow_resize_to_same_host=True' to '/etc/nova/nova.conf' for having only one 
compute node.moreover,I have changed the default value 
'allow_resize_to_same_host' to 'True' in 'flags.py',unfortunately,there have 
been no effect at all.
I have checked the log file,such as 
nova-api.log,nova-scheduler,nova-compute.log carefully by your suggestion,do 
you think there have been other reasons such as uncorrect operations not only 
for the code.Do you have any other good ideas because I am a freshman in 
openstack actually. thank you!!

 jiangping

  2012-11-4
-- Original --
From:  "Wangpan";
Date:  Fri, Nov 2, 2012 05:09 PM
To:  "蒋平"; 
Cc:  "openstack"; 
Subject:  Re: [Openstack] Resize Server problem from jovaunn.com, 
hangzhou,China!!!

Hi jiangping,

How many compute nodes you have? if just one, you should add 
'allow_resize_to_same_host=True' to /etc/nova/nova.conf, and retry.
if you have more than one compute nodes, it more troublesome, you should be 
able to ssh to each other between compute nodes WITHOUT inputting password.

and I suggest you check the nova-api.log, nova-scheduler.log and 
nova-compute.log if there have some ERROR messages.


2012-11-02



Wangpan



发件人：蒋平
发送时间：2012-11-02 16:55
主题：[Openstack] Resize Server problem from jovaunn.com, hangzhou, China!!!
收件人："openstack","xiongdaijun"
抄送：

Hi sir,
   I am very glad to write the Email to you,My name is jiangping who is an 
engineer majors in openstack from jovaunn.com,hangzhou,China!!!I have 
established the environment of openstack successfully by inputing 
"tools/with_venv.sh ./manage.py runserver 0.0.0.0:8080" in terminal and address 
http://192.168.0.15/horizon/ in network column.
Then I make an instance successfully,for 
example:aaa-192.168.0.3-m1.tiny|512MB memory|
1 VCPU|0 disk,but when I input "nova resize aaa m1.small" in terminal,there 
have been no effection,
and the state of aaa is still "Active",not "Verifying" actually,I am very 
confused and anxious for the problem,please help me,thank you!

Yours sincerely

 jiangping

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[Openstack] Running other services on swift nodes

[Tom Fifield]

Hi,

This came in as a doc bug, but I thought I'd throw it to the list:

https://bugs.launchpad.net/openstack-manuals/+bug/988053

"I think it would be worthwhile to talk about what services can be
co-located on the same servers as Swift. For example "Can I run Keystone
in combination with Swift Proxy and Swift Storage?""

example other potential combo that "might not break": glance / swift proxy

I think this is most relevant to small-scale deployments, where there
isn't quite enough hardware to go around, rather than anywhere
approaching best practice ;)


Realistically expecting "this is a terrible, terrible idea" replies to
this, but perhaps reasons, and the odd outside-the-box idea will be
presented ...


Regards,

Tom

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[Openstack] Announcing Moniker - DNS Services for OpenStack

[Kiall Mac Innes]

Hi all,

Moniker has recently found a new home on StackForge, and has started
generating some interest from the community - so - time for an official
announcement!

Moniker provides DNSaaS services for OpenStack:

   - REST API for domain/record management
   - Multi-tenant
   - Integrated with Keystone for authentication
   - Framework in place to integrate with Nova and Quantum notifications
   (for auto-generated records)
   - Support for Bind9 out of the box (Refactoring this to be
   more pluggable will be complete in the next few days)
   - .. I've probably missed lot's more off this list!

The code is available via the StackForge GitHub organization[1], bugs are
at launchpad[2] and (currently incomplete) docs are on pypi[3].
Contributions are welcome via the usual OpenStack methods i.e. Gerrit[4].

Finally - We have our second weekly meeting scheduled for this Wednesday at
18:00 UTC in #openstack-meeting, anyone with an interest in DNSaaS is
welcome to attend.

Thanks,
Kiall

[1]: https://github.com/stackforge/moniker
[2]: https://launchpad.net/moniker
[3]: http://packages.python.org/moniker
[4]: http://wiki.openstack.org/GerritWorkflow
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Re: [Openstack] Id collision across multiple data center deployments

[Dolph Mathews]

The ID's generated by keystone are implemented using random UUID's for
exactly this use case.


-Dolph


On Sat, Nov 3, 2012 at 11:49 PM, Salman A Baset  wrote:

> Hello folks,
>
> Suppose there is a single BSS managing multiple data centers, each running
> independent OpenStack OSS.
>
> Is there any possibility of OpenStack keystone or other ids to be similar
> with another deployment? (in particular tenant_id, user_id etc). I don't
> think this is the case (assuming uuids) but want to confirm with folks.
>
> Thanks.
>
> Best Regards,
>
> Salman A. Baset
> Research Staff Member, IBM T. J. Watson Research Center
> Tel: +1-914-784-6248
>
>
>
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Re: [Openstack] How to know capability of cloud resource pool?

[Aniruddha Khadkikar]

On Sun, Nov 4, 2012 at 5:45 AM, Ray Sun  wrote:
> Is there any method to get the resource pool capability(CPU/Memory/Storage)
> in the cloud? Can OpenStack auto detect the resource when a new node join
> in?
> If not, is there a roadmap to implement it?
>

My thoughts exactly. Last week we began working with quotas for each
tenant and it struck me too that there does not seem a way through
Openstack to understand what's the total resource capacity of the
cloud. This would help in benchmarking how efficiently currently
provisioned resources are being utilized and if there is a need of
adding/removing nodes from the cloud.

Cheers
Aniruddha

> Thanks.
>
> - Ray
> Yours faithfully, Kind regards.
>
> CIeNET Technologies (Beijing) Co., Ltd
> Email: qsun01...@cienet.com.cn
> Office Phone: +86-01081470088-7079
> Mobile Phone: +86-13581988291
>
>
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Re: [Openstack] A point in my mind which may be already implemented

[Sandy Walsh]

Thanks for the mention ... here is some background and installation info

http://www.sandywalsh.com/2012/10/debugging-openstack-with-stacktach-and.html

-S


From: openstack-bounces+sandy.walsh=rackspace@lists.launchpad.net 
[openstack-bounces+sandy.walsh=rackspace@lists.launchpad.net] on behalf of 
Nathanael Burton [nathanael.i.bur...@gmail.com]
Sent: Sunday, November 04, 2012 10:47 AM
To: Nah, Zhongyue
Cc: openstack@lists.launchpad.net
Subject: Re: [Openstack] A point in my mind which may be already implemented


On Nov 4, 2012 9:36 AM, "Nah, Zhongyue" 
mailto:zhongyue@intel.com>> wrote:
>
> I use the log files beneath /var/log/ to do what you've 
> described manually.
>
> If you want a web interface, you should implement a custom notifier class(for 
> Nova) to gather the logs into a specific channel and implement your own web 
> service to display the contents from the channel.
>
> -zhongyue
>
> Sent from my iPhone
>
> On Nov 4, 2012, at 10:18 PM, "Hao Wang" 
> mailto:hao.1.w...@gmail.com>> wrote:
>
> > Hi stackers,
> >
> > Today there is a point in my mind that is described as below. Just want to 
> > know if it's already implemented in F version.
> >
> > While I'm using OpenStack, I would like this kind of function to know what 
> > is going on at the background. For instance, if I click "Launch" button, I 
> > am able to know what message is being sent out to message queue and which 
> > component(s) the message is going, and the most important thing is where 
> > the message stuck. This would give us a direct view to do troubleshooting 
> > and do some specific steps later on. Thanks for your time.
> >
> > Regards,
> > Howard
> > ___
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I think the notification system is what you really want.

http://wiki.openstack.org/SystemUsageData

Sandy Walsh made some really useful tools to easily get at that data and make 
sense of everything.
https://github.com/rackspace/stacktach
https://github.com/rackspace/stacky

Nate
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Re: [Openstack] Distributed configuration database

[Aniruddha Khadkikar]

On Nov 4, 2012 8:16 PM, "Nah, Zhongyue"  wrote:
>
> https://blueprints.launchpad.net/nova/+spec/deployer-friendly-confs
>
> This blueprint seems to be planning to implement what is being discussed
for Nova.

Marvellous. I believe this discussion adds/reinforces to the ideas proposed
and hope this blueprint is taken up for the next release!
>
> -zhongyue
>
> Sent from my iPhone
>
> On Nov 4, 2012, at 3:26 PM, "Gary Kotton" > wrote:
>
>
> It would also be nice if one could change configuration settings at run
time instead of having to restart a process.
>
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Re: [Openstack] Distributed configuration database

[Gary Kotton]

On 11/04/2012 04:45 PM, Nah, Zhongyue wrote:

https://blueprints.launchpad.net/nova/+spec/deployer-friendly-confs

This blueprint seems to be planning to implement what is being discussed for 
Nova.


Great.

I assume that this will be done in OpenStack Common so that all of the 
users of the common configuration module can consume and benefit.


Thanks
Gary


-zhongyue

Sent from my iPhone

On Nov 4, 2012, at 3:26 PM, "Gary 
Kotton"mailto:gkot...@redhat.com>>  wrote:


It would also be nice if one could change configuration settings at run time 
instead of having to restart a process.

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Re: [Openstack] A point in my mind which may be already implemented

[Hao Wang]

Thanks, Nathanael. Let me get back after studying them.

Regards,
Howard

On Sun, Nov 4, 2012 at 10:47 PM, Nathanael Burton <
nathanael.i.bur...@gmail.com> wrote:

> On Nov 4, 2012 9:36 AM, "Nah, Zhongyue"  wrote:
> >
> > I use the log files beneath /var/log/ to do what you've
> described manually.
> >
> > If you want a web interface, you should implement a custom notifier
> class(for Nova) to gather the logs into a specific channel and implement
> your own web service to display the contents from the channel.
> >
> > -zhongyue
> >
> > Sent from my iPhone
> >
> > On Nov 4, 2012, at 10:18 PM, "Hao Wang"  wrote:
> >
> > > Hi stackers,
> > >
> > > Today there is a point in my mind that is described as below. Just
> want to know if it's already implemented in F version.
> > >
> > > While I'm using OpenStack, I would like this kind of function to know
> what is going on at the background. For instance, if I click "Launch"
> button, I am able to know what message is being sent out to message queue
> and which component(s) the message is going, and the most important thing
> is where the message stuck. This would give us a direct view to do
> troubleshooting and do some specific steps later on. Thanks for your time.
> > >
> > > Regards,
> > > Howard
> > > ___
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>
> I think the notification system is what you really want.
>
> http://wiki.openstack.org/SystemUsageData
>
> Sandy Walsh made some really useful tools to easily get at that data and
> make sense of everything.
> https://github.com/rackspace/stacktach
> https://github.com/rackspace/stacky
>
> Nate
>
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Re: [Openstack] A point in my mind which may be already implemented

[Nathanael Burton]

On Nov 4, 2012 9:36 AM, "Nah, Zhongyue"  wrote:
>
> I use the log files beneath /var/log/ to do what you've
described manually.
>
> If you want a web interface, you should implement a custom notifier
class(for Nova) to gather the logs into a specific channel and implement
your own web service to display the contents from the channel.
>
> -zhongyue
>
> Sent from my iPhone
>
> On Nov 4, 2012, at 10:18 PM, "Hao Wang"  wrote:
>
> > Hi stackers,
> >
> > Today there is a point in my mind that is described as below. Just want
to know if it's already implemented in F version.
> >
> > While I'm using OpenStack, I would like this kind of function to know
what is going on at the background. For instance, if I click "Launch"
button, I am able to know what message is being sent out to message queue
and which component(s) the message is going, and the most important thing
is where the message stuck. This would give us a direct view to do
troubleshooting and do some specific steps later on. Thanks for your time.
> >
> > Regards,
> > Howard
> > ___
> > Mailing list: https://launchpad.net/~openstack
> > Post to : openstack@lists.launchpad.net
> > Unsubscribe : https://launchpad.net/~openstack
> > More help   : https://help.launchpad.net/ListHelp
>
> ___
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I think the notification system is what you really want.

http://wiki.openstack.org/SystemUsageData

Sandy Walsh made some really useful tools to easily get at that data and
make sense of everything.
https://github.com/rackspace/stacktach
https://github.com/rackspace/stacky

Nate
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Re: [Openstack] Distributed configuration database

[Nah, Zhongyue]

https://blueprints.launchpad.net/nova/+spec/deployer-friendly-confs

This blueprint seems to be planning to implement what is being discussed for 
Nova.

-zhongyue

Sent from my iPhone

On Nov 4, 2012, at 3:26 PM, "Gary Kotton" 
mailto:gkot...@redhat.com>> wrote:


It would also be nice if one could change configuration settings at run time 
instead of having to restart a process.

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Re: [Openstack] A point in my mind which may be already implemented

[Nah, Zhongyue]

I use the log files beneath /var/log/ to do what you've described 
manually.

If you want a web interface, you should implement a custom notifier class(for 
Nova) to gather the logs into a specific channel and implement your own web 
service to display the contents from the channel.

-zhongyue

Sent from my iPhone

On Nov 4, 2012, at 10:18 PM, "Hao Wang"  wrote:

> Hi stackers,
> 
> Today there is a point in my mind that is described as below. Just want to 
> know if it's already implemented in F version.
> 
> While I'm using OpenStack, I would like this kind of function to know what is 
> going on at the background. For instance, if I click "Launch" button, I am 
> able to know what message is being sent out to message queue and which 
> component(s) the message is going, and the most important thing is where the 
> message stuck. This would give us a direct view to do troubleshooting and do 
> some specific steps later on. Thanks for your time.
> 
> Regards,
> Howard
> ___
> Mailing list: https://launchpad.net/~openstack
> Post to : openstack@lists.launchpad.net
> Unsubscribe : https://launchpad.net/~openstack
> More help   : https://help.launchpad.net/ListHelp

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[Openstack] A point in my mind which may be already implemented

[Hao Wang]

Hi stackers,

Today there is a point in my mind that is described as below. Just want to
know if it's already implemented in F version.

While I'm using OpenStack, I would like this kind of function to know what
is going on at the background. For instance, if I click "Launch" button, I
am able to know what message is being sent out to message queue and which
component(s) the message is going, and the most important thing is where
the message stuck. This would give us a direct view to do troubleshooting
and do some specific steps later on. Thanks for your time.

Regards,
Howard
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Re: [Openstack] Question about pv mode on compute and network

[Egoitz Aurrekoetxea Aurre]

> or just I nova-compute and nova-network --> 1 nova-compute and nova….. I 
> wanted to mean…


El 04/11/2012, a las 11:04, Egoitz Aurrekoetxea Aurre  
escribió:

> Hi all,
> 
> Why the nova-compute and nova-network services should run in pv mode??. 
> What's the real reason for it?. If I have a farm of five servers of Xen Cloud 
> Platform… all of them belonging to the same pool (same cloud) should I have a 
> nova-compute per xcp server?? or just I nova-compute and nova-network will 
> handle the whole pool smoothly??.
> 
> Best regards,
> 
> 
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[Openstack] Question about pv mode on compute and network

[Egoitz Aurrekoetxea Aurre]

Hi all,

Why the nova-compute and nova-network services should run in pv mode??. What's 
the real reason for it?. If I have a farm of five servers of Xen Cloud 
Platform… all of them belonging to the same pool (same cloud) should I have a 
nova-compute per xcp server?? or just I nova-compute and nova-network will 
handle the whole pool smoothly??.

Best regards,


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Re: [Openstack] Distributed configuration database

[Gary Kotton]

It would also be nice if one could change configuration settings at run 
time instead of having to restart a process.


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