Re: [openstack-dev] [keystone] Stepping down as PTL

2014-09-22 Thread Rui Chen
Thanks for your fantastic leadership!! 2014-09-23 10:54 GMT+08:00 Adam Young ayo...@redhat.com: On 09/22/2014 10:47 AM, Dolph Mathews wrote: Dearest stackers and [key]stoners, With the PTL candidacies officially open for Kilo, I'm going to take the opportunity to announce that I won't

[openstack-dev] [nova] Checking before delete flavor?

2014-01-26 Thread Rui Chen
Hi Stackers: Some instance operations and flavor are closely connected, for example, resize. If I delete the flavor when resize instance, instance will be error. Like this: 1. run instance with flavor A 2. resize instance from flavor A to flavor B 3. delete flavor A 4. resize-revert instance 5.

[openstack-dev] [nova][EC2] attach and detach volume response status

2014-02-14 Thread Rui Chen
Hi Stackers; I use Nova EC2 interface to attach a volume, attach success, but volume status is detached in message response. # euca-attach-volume -i i-000d -d /dev/vdb vol-0001 ATTACHMENT vol-0001i-000d detached This make me confusion, I think the status

Re: [openstack-dev] [nova][EC2] attach and detach volume response status

2014-02-16 Thread Rui Chen
device/dev/sdh/device statusattaching/status attachTime-MM-DDTHH:MM:SS.000Z/attachTime /AttachVolumeResponse So I think it's a bug IMO.Thanks~ wingwj On Sat, Feb 15, 2014 at 11:35 AM, Rui Chen chenrui.m...@gmail.comwrote: Hi Stackers; I use Nova EC2 interface to attach

Re: [openstack-dev] 答复: [OpenStack-dev][Nova] Can we add one configuration item for cache-using in libvirt/hypervisor?

2014-02-24 Thread Rui Chen
*I think domain attribute is more appropriate than nova.conf node config, need to consider across host task like **migrate and live-migrate :)* 2014-02-24 10:45 GMT+08:00 zhangyu (AI) zhangy...@huawei.com: Sure, hard-coding seems weird… However, a global configuration here dominates all

[openstack-dev] [nova] Volunteer for BP 'Improve Nova KVM IO support'

2014-12-18 Thread Rui Chen
Hi, Is Anybody still working on this nova BP 'Improve Nova KVM IO support'? https://blueprints.launchpad.net/nova/+spec/improve-nova-kvm-io-support I willing to complement nova-spec and implement this feature in kilo or subsequent versions. Feel free to assign this BP to me, thanks:) Best

Re: [openstack-dev] [nova] Volunteer for BP 'Improve Nova KVM IO support'

2014-12-19 Thread Rui Chen
Thank @Sahid, I will help to review this patch :) 2014-12-19 16:01 GMT+08:00 Sahid Orentino Ferdjaoui sahid.ferdja...@redhat.com: On Fri, Dec 19, 2014 at 11:36:03AM +0800, Rui Chen wrote: Hi, Is Anybody still working on this nova BP 'Improve Nova KVM IO support'? https

Re: [openstack-dev] [nova] Priority resizing instance on same host

2015-02-12 Thread Rui Chen
[mailto:jesse.pretor...@gmail.com] *Sent:* Thursday, February 12, 2015 1:25 PM *To:* OpenStack Development Mailing List (not for usage questions) *Subject:* Re: [openstack-dev] [nova] Priority resizing instance on same host On Thursday, February 12, 2015, Rui Chen chenrui.m...@gmail.com wrote

Re: [openstack-dev] [nova] Question about force_host skip filters

2015-02-12 Thread Rui Chen
, the default value is 'is_admin:True' in policy.json, but in some case the value may be changed so that the regular user can boot instance on specified host. 2015-02-12 17:44 GMT+08:00 Sylvain Bauza sba...@redhat.com: Le 12/02/2015 10:05, Rui Chen a écrit : Hi: If we boot instance

[openstack-dev] [nova] Priority resizing instance on same host

2015-02-11 Thread Rui Chen
Hi: Currently, resizing instance cause migrating from the host that the instance run on to other host, but maybe the current host is suitable for new flavor. Migrating will lead to copy image between hosts if no shared storage, it waste time. I think that priority resizing instance on the

Re: [openstack-dev] [nova] Question about force_host skip filters

2015-02-12 Thread Rui Chen
Append blueprint link: https://blueprints.launchpad.net/nova/+spec/verifiable-force-hosts 2015-02-13 10:48 GMT+08:00 Rui Chen chenrui.m...@gmail.com: I agree with you @Chris '--force' flag is a good idea, it keep backward compatibility and flexibility. We can select whether the filters

Re: [openstack-dev] [nova] Question about force_host skip filters

2015-02-12 Thread Rui Chen
I agree with you @Chris '--force' flag is a good idea, it keep backward compatibility and flexibility. We can select whether the filters was applied for force_hosts. I will register blueprint to trace the feature. The 'force_hosts' feature is so age-old that I don't know how many users had used

Re: [openstack-dev] [nova] Priority resizing instance on same host

2015-02-12 Thread Rui Chen
to the chosen host even if the disk size remain the same. 2015-02-12 15:55 GMT+08:00 Jesse Pretorius jesse.pretor...@gmail.com: On Thursday, February 12, 2015, Rui Chen chenrui.m...@gmail.com wrote: Currently, resizing instance cause migrating from the host that the instance run on to other host

Re: [openstack-dev] [nova] Priority resizing instance on same host

2015-02-12 Thread Rui Chen
sense to me. 2015-02-12 15:01 GMT+08:00 Rui Chen chenrui.m...@gmail.com: Hi: Currently, resizing instance cause migrating from the host that the instance run on to other host, but maybe the current host is suitable for new flavor. Migrating will lead to copy image between hosts

[openstack-dev] [nova] Question about force_host skip filters

2015-02-12 Thread Rui Chen
Hi: If we boot instance with 'force_hosts', the force host will skip all filters, looks like that it's intentional logic, but I don't know the reason. I'm not sure that the skipping logic is apposite, I think we should remove the skipping logic, and the 'force_hosts' should work with the

Re: [openstack-dev] [nova] blueprint about multiple workers supported in nova-scheduler

2015-03-05 Thread Rui Chen
a écrit : On 03/04/2015 09:23 AM, Sylvain Bauza wrote: Le 04/03/2015 04:51, Rui Chen a écrit : Hi all, I want to make it easy to launch a bunch of scheduler processes on a host, multiple scheduler workers will make use of multiple processors of host and enhance the performance of nova

Re: [openstack-dev] [nova] blueprint about multiple workers supported in nova-scheduler

2015-03-04 Thread Rui Chen
everything. (stored procedures ?) Best Regards, Attila - Original Message - From: Rui Chen chenrui.m...@gmail.com To: OpenStack Development Mailing List (not for usage questions) openstack-dev@lists.openstack.org Sent: Wednesday, March 4, 2015 4:51:07 AM Subject

Re: [openstack-dev] [nova] blueprint about multiple workers supported in nova-scheduler

2015-03-04 Thread Rui Chen
now. 2015-03-05 10:55 GMT+08:00 Rui Chen chenrui.m...@gmail.com: Looks like it's a complicated problem, and nova-scheduler can't scale-out horizontally in active/active mode. Maybe we should illustrate the problem in the HA docs. http://docs.openstack.org/high-availability-guide/content

Re: [openstack-dev] [nova] blueprint about multiple workers supported in nova-scheduler

2015-03-05 Thread Rui Chen
HostState object in self memory, the only different point with HA is just launching all scheduler processes on a host. I'm sorry to waste some time, I just want to clarify it. 2015-03-05 17:12 GMT+08:00 Sylvain Bauza sba...@redhat.com: Le 05/03/2015 08:54, Rui Chen a écrit : We will face the same

[openstack-dev] [nova] blueprint about multiple workers supported in nova-scheduler

2015-03-03 Thread Rui Chen
Hi all, I want to make it easy to launch a bunch of scheduler processes on a host, multiple scheduler workers will make use of multiple processors of host and enhance the performance of nova-scheduler. I had registered a blueprint and commit a patch to implement it.

Re: [openstack-dev] [nova] Question about boot-from-volume instance and flavor

2015-03-03 Thread Rui Chen
...@gmail.com: On 03/03/2015 01:10 AM, Rui Chen wrote: Hi all, When we boot instance from volume, we find some ambiguous description about flavor root_gb in operations guide, http://docs.openstack.org/openstack-ops/content/flavors.html /Virtual root disk size in gigabytes. This is an ephemeral

[openstack-dev] [nova] Question about boot-from-volume instance and flavor

2015-03-03 Thread Rui Chen
Hi all, When we boot instance from volume, we find some ambiguous description about flavor root_gb in operations guide, http://docs.openstack.org/openstack-ops/content/flavors.html *Virtual root disk size in gigabytes. This is an ephemeral disk the base image is copied into. You don't use it

Re: [openstack-dev] [nova] [libvirt] The risk of hanging when shutdown instance.

2015-03-26 Thread Rui Chen
Yes, you are right, but we found our instance hang at first dom.shutdown() call, if the dom.shutdown() don't return, there is no chance to execute dom.destroy(), right? 2015-03-26 23:20 GMT+08:00 Chris Friesen chris.frie...@windriver.com: On 03/25/2015 10:15 PM, Rui Chen wrote: Hi all

[openstack-dev] [nova] [libvirt] The risk of hanging when shutdown instance.

2015-03-25 Thread Rui Chen
Hi all: I found a discuss about the libvirt shutdown API maybe hang when shutdown instance in libvirt community, https://www.redhat.com/archives/libvir-list/2015-March/msg01121.html I'm not sure that whether there are some risks when we shutdown instance in nova. Three questions:

Re: [openstack-dev] [nova] [libvirt] The risk of hanging when shutdown instance.

2015-03-28 Thread Rui Chen
Thank you for reply, Chris. 2015-03-27 23:15 GMT+08:00 Chris Friesen chris.frie...@windriver.com: On 03/26/2015 07:44 PM, Rui Chen wrote: Yes, you are right, but we found our instance hang at first dom.shutdown() call, if the dom.shutdown() don't return, there is no chance to execute

[openstack-dev] [nova] How to deal the rpc timeout between compute and conductor?

2015-03-23 Thread Rui Chen
Hi all: I deploy my OpenStack with VMware driver, one nova-compute connect to VMware deployment, there are about 3000 VMs in VMware deployment. I use mysql. The method of InstanceList.get_by_host rasie rpc timeout error when ComputeManager.init_host() and _sync_power_states periodic

Re: [openstack-dev] [nova] Port Nova to Python 3

2015-04-24 Thread Rui Chen
Maybe we can add a python3 jenkins job (non-voting) to help us finding out some potential issue. 2015-04-24 16:34 GMT+08:00 Victor Stinner vstin...@redhat.com: Hi, Porting OpenStack applications during the Liberty Cycle was discussed last days in the thread [oslo] eventlet 0.17.3 is now

[openstack-dev] [nova] Need more suggestion about nova-scheduler patch/147048

2015-04-23 Thread Rui Chen
Hi all: I'm working on the patch https://review.openstack.org/#/c/147048/ for bug/1408859 Description of Bug: When the nova-scheduler can't select enough hosts for multiple creating instance, a NoValidHost exception was raised, but the part of hosts had been consumed from instance in

Re: [openstack-dev] [nova] upgrade_levels in nova upgrade

2015-05-07 Thread Rui Chen
Assuming my understanding is correct, 2 things make you sad in the upgrade process. 1. must reconfig the 'upgrade_levels' in the config file during post-upgrade. 2. must restart the service in order to make the option 'upgrade_level' work. I think the configuration management tools (e.g. chef,

[openstack-dev] [nova] Is Live-migration not supported in CONF.libvirt.images_type=lvm case?

2015-05-08 Thread Rui Chen
Hi all: I find the bug [1] block/live migration doesn't work with LVM as libvirt storage is marked as 'Fix released', but I don't think this issue really is solved, I check the live-migration code and don't find any logic for handling LVM disk. Please correct me if I'm wrong. In the bug [1]

[openstack-dev] [nova] Should we add instance action event to live migration?

2015-06-03 Thread Rui Chen
Hi all: We have the instance action and action event for most of the instance operations, exclude: live-migration. In the current master code, when we do live-migration, the instance action is recorded, but the action event for live-migration is lost. I'm not sure that it's a bug or design

Re: [openstack-dev] [Nova] Approval dates for non-priority specs

2015-06-27 Thread Rui Chen
Thank you @Alex, it's helpful for me :) 2015-06-27 13:51 GMT+08:00 Alex Xu sou...@gmail.com: Hi, Rui, Abhishek, There is email can answer your question: http://lists.openstack.org/pipermail/openstack-dev/2015-June/068079.html Thanks Alex 2015-06-27 11:33 GMT+08:00 Rui Chen chenrui.m

Re: [openstack-dev] [Nova] Approval dates for non-priority specs

2015-06-26 Thread Rui Chen
I have same question about this. My spec and blueprint: https://review.openstack.org/#/c/169638/ https://blueprints.launchpad.net/nova/+spec/selecting-subnet-when-creating-vm 2015-06-26 17:56 GMT+08:00 Kekane, Abhishek abhishek.kek...@nttdata.com: Hi Nova Devs, I have submitted a nova

Re: [openstack-dev] [Congress] meeting time change

2015-08-02 Thread Rui Chen
Convert to Asia timezone, the new time is easy to remember for us :) For CST (UTC+8:00): Thursday 08:00 AM For JST (UTC+9:00): Thursday 09:00 AM http://www.timeanddate.com/worldclock/fixedtime.html?iso=20150806T00p1=1440 2015-08-01 1:20 GMT+08:00 Tim Hinrichs t...@styra.com: Peter pointed

Re: [openstack-dev] [Congress] Confused syntax error when inserting rule.

2015-08-16 Thread Rui Chen
) :- cinder:volumes(id=id), not avail_cinder_vol(id) avail_cinder_vol(id) :- cinder:volumes(id=id, status=available) Tim On Thu, Aug 13, 2015 at 8:07 PM Rui Chen chenrui.m...@gmail.com wrote: Sorry, send the same mail again, please comments at here, the other mail lack title. 2015-08-14 11:03 GMT+08

Re: [openstack-dev] [Nova] 2nd prc hackathon event finised, need your help to review patch

2015-08-24 Thread Rui Chen
We had reviewed these patches each other, and fixed some minor issues by following others' suggestion. Please feel free to add your comments in these patches, welcome~~ Best Regards. 2015-08-21 18:34 GMT+08:00 Qiao, Liyong liyong.q...@intel.com: Hi folks We just finished 2nd prc hackathon

[openstack-dev] [Congress] Confused syntax error when inserting rule.

2015-08-13 Thread Rui Chen
Hi folks: I face a problem when I insert a rule into Congress. I want to find out all of the volumes that are not available status, so I draft a rule like this: error(id) :- cinder:volumes(id=id), not cinder:volumes(id=id, status=available) But when I create the rule, a error is

Re: [openstack-dev] [devstack] Restart openstack service

2015-08-13 Thread Rui Chen
I use *screen* in devstack, Ctrl+c kill services, then restart it in console. Please try the following cmd in your devstack environment, and read some docs. *screen -r stack* http://www.ibm.com/developerworks/cn/linux/l-cn-screen/ 2015-08-14 11:20 GMT+08:00 Guo, Ruijing

Re: [openstack-dev] [Congress] Confused syntax error when inserting rule.

2015-08-13 Thread Rui Chen
Sorry, send the same mail again, please comments at here, the other mail lack title. 2015-08-14 11:03 GMT+08:00 Rui Chen chenrui.m...@gmail.com: Hi folks: I face a problem when I insert a rule into Congress. I want to find out all of the volumes that are not available status, so I draft

[openstack-dev] [Congress]

2015-08-13 Thread Rui Chen
Hi folks: I face a problem when I insert a rule into Congress. I want to find out all of the volumes that are not available status, so I draft a rule like this: error(id) :- cinder:volumes(id=id), not cinder:volumes(id=id, status=available) But when I create the rule, a error is

Re: [openstack-dev] [Congress] How to start a replica ?

2015-07-27 Thread Rui Chen
According to the error message, looks like no enough mysql db connections for the HA Congress server launching. Can you double check your mysql '*max_connections*' option in my.cnf and show the active connections in mysql console like this: *msyql show full processlist;* more details:

Re: [openstack-dev] [Congress] How to start a replica ?

2015-07-27 Thread Rui Chen
According to the error message, looks like no enough mysql db connections for the HA Congress server launching. Can you double check your mysql '*max_connections*' option in my.cnf and show the active connections in mysql console like this: *msyql show full processlist;* more details:

Re: [openstack-dev] [Congress] New IRC meeting time

2015-07-16 Thread Rui Chen
Wonderful! I don't need to stay up late. Thank everybody. 2015-07-15 10:28 GMT+08:00 Masahito MUROI muroi.masah...@lab.ntt.co.jp: I'm happy to see that. btw, is the day on Tuesday? best regard, masa On 2015/07/15 9:52, Zhou, Zhenzan wrote: Glad to see this change. Thanks for the

Re: [openstack-dev] 答复: [Congress] Tokyo sessions

2015-10-07 Thread Rui Chen
In my memory, there are 4 topics about OPNFV, congress gating, distributed arch, Monasca. Some details in IRC meeting log http://eavesdrop.openstack.org/meetings/congressteammeeting/2015/congressteammeeting.2015-10-01-00.01.log.html 2015-10-08 9:48 GMT+08:00 zhangyali (D)

Re: [openstack-dev] [congress] Symantec's security group management policies

2015-10-08 Thread Rui Chen
It's a very good example to show how to draft the customize cloud policy in OpenStack deployment, thank you Su :-) Some my comments had been added into the google doc. 2015-10-09 4:23 GMT+08:00 Su Zhang : > Hello, > > I've implemented a set of security group management

[openstack-dev] [nova] Hope Server Count API can land in Mitaka

2015-08-27 Thread Rui Chen
hi folks: When we use paginated queries to retrieve instances, we can't get the total count of instances in current list-servers API. The count of the querying result is important for operators, Think about a case, the operators want to know how many 'error' instances in current deployment in

Re: [openstack-dev] [Congress] bugs for liberty release

2015-09-07 Thread Rui Chen
I start to fix https://bugs.launchpad.net/congress/+bug/1492329 if I have enough time, I can allocate other one or two bugs. 2015-09-06 8:13 GMT+08:00 Zhou, Zhenzan : > I have taken two, thanks. > > https://bugs.launchpad.net/congress/+bug/1492308 > >

Re: [openstack-dev] [Congress] PTL candidacy

2015-09-16 Thread Rui Chen
+1 Tim is an excellent and passionate leader, go ahead, Congress :-) 2015-09-17 4:09 GMT+08:00 : > +1 and looking forward to see you in Tokyo. > > > > Thanks, > > Ramki > > > > *From:* Tim Hinrichs [mailto:t...@styra.com] > *Sent:* Tuesday, September 15, 2015 1:23 PM >

Re: [openstack-dev] [nova] Feature suggestion - API for creating VM without powering it up

2016-01-27 Thread Rui Chen
Looks like we can use user_data and cloud-init to do this stuff. Adding the following content into user_data.txt and launch instance like this: nova boot --user-data user_data.txt ..., the instance will shutdown after boot is finished. power_state: mode: poweroff message: Bye Bye You can find

Re: [openstack-dev] [Congress] Nominating Masahito for core

2016-02-17 Thread Rui Chen
+1 Congratulations! 2016-02-18 2:14 GMT+08:00 Masahito MUROI : > Thank you folks. I'm glad to be a part of this team and community, and > appreciate all supports from you. > > On 2016/02/17 12:10, Anusha Ramineni wrote: > >> +1 >> >> Best Regards, >> Anusha >> >>

Re: [openstack-dev] [nova] Feedback for upcoming user survey questionnaire

2016-12-27 Thread Rui Chen
I have one to users: - Have you need to add some customized features on upstream Nova code to meet your special needs? or Nova is out of the box project? Thanks. 2016-12-27 7:18 GMT+08:00 Jay Pipes : > On 12/26/2016 06:08 PM, Matt Riedemann wrote: > >> We have the

Re: [openstack-dev] [nova] [neutron] What the behavior of AddFixedIp API should be?

2017-03-28 Thread Rui Chen
for us to understand how the API works and when we should use it, we can update the api-ref and add exact usage, avoid users' confusion about it. Feel free to reply something, thank you. 2017-03-27 23:36 GMT+08:00 Matt Riedemann <mriede...@gmail.com>: > On 3/27/2017 7:23 AM, Rui C

[openstack-dev] [nova] [neutron] What the behavior of AddFixedIp API should be?

2017-03-27 Thread Rui Chen
Hi: A question about nova AddFixedIp API, nova api-ref[1] describe the API as "Adds a fixed IP address to a server instance, which associates that address with the server.", the argument of API is network id, so if there are two or more subnets in a network, which one is lucky to associate ip

Re: [openstack-dev] [mogan] Nominating liusheng for Mogan core

2017-03-20 Thread Rui Chen
+1 Liusheng is a responsible reviewer and keep good reviewing quality in Mogan. Thank you working hard for Mogan, Liusheng. 2017-03-20 16:19 GMT+08:00 Zhenguo Niu : > Hi team, > > I would like to nominate liusheng to Mogan core. Liusheng has been a > significant code

Re: [openstack-dev] [nova][scheduler] Anyone relying on the host_subset_size config option?

2017-05-26 Thread Rui Chen
Beside eliminate race conditions, we use host_subnet_size in the special cases, we have different capacity hardware in a deployment, imagine a simple case, two compute hosts(RAM 48G vs 16G free), only enable the RAM weighter for nova-scheduler, if we launch 10 instances(RAM 1G flavor) one by one,