Re: [Openstack-operators] Openstack Version discovery with the cli client.

Hi Saverio, I think only the API versions supported by some of the endpoint are discoverable, as described here: https://wiki.openstack.org/wiki/VersionDiscovery curl https://x.x.x.x:9292/image curl https://x.x.x.x:8774/compute Cheers, George On Tue, Aug 7, 2018 at 9:30 AM, Saverio Proto

Re: [Openstack] Recovering from full outage

ances. > > In summary; DHCP requests are being sent, but are never received. > > *Torin Woltjer* > > *Grand Dial Communications - A ZK Tech Inc. Company* > > *616.776.1066 ext. 2006* > * <http://www.granddial.com>www.granddial.com <http://www.granddial.com>* &g

Re: [Openstack-operators] [Openstack] Recovering from full outage

ances. > > In summary; DHCP requests are being sent, but are never received. > > *Torin Woltjer* > > *Grand Dial Communications - A ZK Tech Inc. Company* > > *616.776.1066 ext. 2006* > * <http://www.granddial.com>www.granddial.com <http://www.granddial.com>* &g

Re: [Openstack] Recovering from full outage

m>www.granddial.com <http://www.granddial.com>* > > -- > *From*: George Mihaiescu > *Sent*: 7/5/18 10:38 AM > *To*: torin.wolt...@granddial.com > *Subject*: Re: [Openstack] Recovering from full outage > Did you restart the neutron-dhcp-agent and rebooted the VMs? > > On T

Re: [Openstack-operators] [Openstack] Recovering from full outage

m>www.granddial.com <http://www.granddial.com>* > > -- > *From*: George Mihaiescu > *Sent*: 7/5/18 10:38 AM > *To*: torin.wolt...@granddial.com > *Subject*: Re: [Openstack] Recovering from full outage > Did you restart the neutron-dhcp-agent and rebooted the VMs? > > On T

Re: [Openstack] Recovering from full outage

, however I cannot ping any > of the instances floating IPs or the neutron router. And when logging into an > instance with the console, there is no IP address on any interface. > > Torin Woltjer > > Grand Dial Communications - A ZK Tech Inc. Company > > 616.776.106

Re: [Openstack-operators] [Openstack] Recovering from full outage

, however I cannot ping any > of the instances floating IPs or the neutron router. And when logging into an > instance with the console, there is no IP address on any interface. > > Torin Woltjer > > Grand Dial Communications - A ZK Tech Inc. Company > > 616.776.106

Re: [Openstack-operators] attaching network cards to VMs taking a very long time

True" and "vif_plugging_timeout = 300" and run another large test, just to confirm. We usually run these large tests after a version upgrade to test the APIs under load. On Thu, May 17, 2018 at 11:42 AM, Matt Riedemann <mriede...@gmail.com> wrote: > On 5/17/2018 9:

Re: [Openstack-operators] attaching network cards to VMs taking a very long time

We use "vif_plugging_is_fatal = False" and "vif_plugging_timeout = 0" as well as "no-ping" in the dnsmasq-neutron.conf, and large rally tests of 500 instances complete with no issues. These are some good blogposts about Neutron performance:

Re: [Openstack] Windows images into OpenStack

Cloudbase provides an evaluation image for Windows: https://cloudbase.it/windows-cloud-images/ On Fri, May 11, 2018 at 12:30 PM, Remo Mattei wrote: > Hello guys, I have a need now to get a Windows VM into the OpenStack > deployment. Can anyone suggest the best way to do

Re: [Openstack-operators] Guest crash and KVM unhandled rdmsr

Hi Blair, We had a few cases of compute nodes hanging with the last log in syslog being related to "rdmsr", and requiring hard reboots: kvm [29216]: vcpu0 unhandled rdmsr: 0x345 The workloads are probably similar to yours (SGE workers doing genomics) with CPU mode host-passthrough, on top of

Re: [Openstack-operators] Experience with Cinder volumes as root disks?

I totally agree with Jay, this is the best, cheapest and most scalable way to build a cloud environment with Openstack. We use local storage as the primary root disk source which lets us make good use of the slots available in each compute node (6), and coupled with the Raid10 gives good I/O

Re: [openstack-dev] [Openstack-operators] [dev] [doc] Operations Guide future

+1 for option 3 > On Jun 1, 2017, at 11:06, Alexandra Settle wrote: > > Hi everyone, > > I haven’t had any feedback regarding moving the Operations Guide to the > OpenStack wiki. I’m not taking silence as compliance. I would really like to > hear people’s opinions on

Re: [Openstack-operators] [scientific] Lightning talks on Scientific OpenStack

r a lightning talk, and enables us to fit one more > in. > > Best wishes, > Stig > > > > On 27 Apr 2017, at 20:29, George Mihaiescu <lmihaie...@gmail.com> wrote: > > > > Hi Stig, it will be 10 minutes sessions like in Barcelona? > > > > Thanks,

Re: [Openstack-operators] [scientific] Lightning talks on Scientific OpenStack

Hi Stig, it will be 10 minutes sessions like in Barcelona? Thanks, George > On Apr 26, 2017, at 03:31, Stig Telfer wrote: > > Hi All - > > We have planned a session of lightning talks at the Boston summit to discuss > topics specific for OpenStack and research

Re: [Openstack-operators] Mixed env for nova (ceph for some compute nodes, local disk for the rest): qcow2 or raw images ?

Hi Massimo, You can upload the images twice, in both qcow2 and raw format, then create a host aggregate for your "local-disk" compute nodes and set its metadata to match the property you'll set on your qcow2 images. When somebody will start a qcow2 version of the image, it will be scheduled on

Re: [Openstack-operators] [BostonSummit] [Forum] seeking Boston Summit Forum group to discuss protected data cloud

Hi Evan, I believe the scientific working group will have at least a meeting focused on this subject ( https://etherpad.openstack.org/p/BOS-UC-brainstorming-scientific-wg) Contact me off-list if you want to chat about protected data, as I'm the architect for a fairly large environment that deals

Re: [Openstack] Help with non booting images (problem with root file system)

Check if the flavour you chose has a large enough root disk. > On Jan 20, 2017, at 08:25, Jorge Luiz Correa wrote: > > Hi, I need some help with images that I can't boot. I've here some images > like Cirros, Ubuntu, Fedora, CentOS etc. All downloaded as indicated here: > >

Re: [Openstack-operators] Change 'swap' in a flavor template

Can you not update the flavour in dashboard? > On Dec 15, 2016, at 09:34, William Josefsson > wrote: > >> On Thu, Dec 15, 2016 at 9:40 PM, Mikhail Medvedev >> wrote: >> >> I could not figure out how to set swap on existing flavor fast enough,

Re: [Openstack-operators] How to tune scheduling for "Insufficient compute resources" (race conditions ?)

Try changing the following in nova.conf and restart the nova-scheduler: scheduler_host_subset_size = 10 scheduler_max_attempts = 10 Cheers, George On Wed, Nov 30, 2016 at 9:56 AM, Massimo Sgaravatto < massimo.sgarava...@gmail.com> wrote: > Hi all > > I have a problem with scheduling in our

Re: [Openstack-operators] Audit Logging - Interested? What's missing?

Same need here, I want to know who changed a security group and what change was done. Just the logged POST on the API is not enough to properly audit the operation. > On Nov 16, 2016, at 19:51, Kris G. Lindgren wrote: > > I need to do a deeper dive on audit logging. >

Re: [Openstack-operators] ML2/OVS odd GRE brokenness

Hi Jonathan, The openvswitch-agent is out of sync on compute 4, try restarting it. > On Nov 8, 2016, at 17:43, Jonathan Proulx wrote: > > > I have an odd issue that seems to just be affecting one private > network for one tenant, though I saw a similar thing on a

Re: [Openstack-operators] Disable console for an instance

the console. You could create a special role that has console access and change the policy file to reference that role for the "compute:get_vnc_console", for example. I don't think you can do it on per-flavor basis. Cheers, George On Thu, Oct 27, 2016 at 10:24 AM, Blair Bethwaite <blair.bethwa.

Re: [Openstack-operators] Disable console for an instance

Hi Blair, Did you try playing with Nova's policy file and limit the scope for "compute_extension:console_output": "" ? Cheers, George On Thu, Oct 27, 2016 at 10:08 AM, Blair Bethwaite wrote: > On 27 October 2016 at 16:02, Jonathan D. Proulx

Re: [Openstack] dhcp to external device from openstack-dhcp on a vlan tenant network

Hi Ian, Neutron dhcp server only serves IPs to the MACs defined in its host file (/var/lib/neutron/dhcp/UUID/host). You can create a port for the physical server if you know the MAC address and this make it work, check the help for the "neutron port-create" command: neutron help port-create

Re: [Openstack] How to Force Cinder to Listen on a Specific Interface Only?

You can define the "osapi_volume_listen=" in cinder.conf and specify just the desired IP address. On Mon, Feb 1, 2016 at 3:50 AM, Ludwig Tirazona wrote: > My problem actually is that I have three controller nodes that are also my > HAProxy nodes as well, and I want just

Re: [Openstack] Slow Horizon on Icehouse.

Is it just dashboard that's slow? How about "nova list" or "neutron port-list" from your dashboard node, as well as from outside your environment? Depending on how you have your endpoints configured in keystone (ip or name) and how dns resolution is set in your environment, there might be delays

Re: [Openstack] disable source nat by default

Couldn't you achieve the same goal with egress security rules? Without SNAT enabled, those instances wouldn't be able to reach the Internet at all, so no package updates, etc. On 18 May 2015 05:13, Simone Spinelli simone.spine...@gmail.com wrote: Hi all, by default neutron routers have source

Re: [Openstack] Trouble deploying Suse SLES 11 and 12 on openstack and VMware

I don't think there is anything specific to SLES, other than making sure the interface scripts are set correctly, the interfaces are not renamed at boot, there are drivers for the NIC (e.g. virtio). You could login on the SLES VM on the console, assign it the IP was supposed get from DHCP and

Re: [Openstack] ARP Caching

You have to set two variables in the nova.conf file apparently (send_arp_for_ha and send_arp_for_ha_count): https://github.com/openstack/nova/blob/3658e1015a2f7cb7c321cc1a0adfda37757fd80b/nova/network/linux_net.py#L764 On Fri, Mar 13, 2015 at 2:00 PM, Georgios Dimitrakakis gior...@acmac.uoc.gr

Re: [Openstack] ARP Caching

Well, what value do you have for send_arp_for_ha_count ? On 13 Mar 2015 17:11, Georgios Dimitrakakis gior...@acmac.uoc.gr wrote: So according to that it sends ARP every time a floating IP is assigned at a VM. Am I right? If that is correct unfortunately it's not working :-( Any ideas how to

Re: [Openstack] ARP Caching

Based on the code, it sends the gratuitous ARPs only when the floating IP is assigned to the VM, and it's sent as many times as the user decided by configuring the send_arp_for_ha_count parameter in nova.conf So, to be safe, I would add the following in nova.conf and restart nova services.

Re: [Openstack] How to download Cinder volume to Host OS

You could just attach that volume to an instance and scp the data from there. On 16 Dec 2014 11:35, varun bhatnagar varun292...@gmail.com wrote: Hi, I have created a cinder volume of 50GB. I want to download this volume to my host machine (may be by using scp). Can anyone please tell me how

Re: [Openstack] nova-compute goes to XXX but is alive

Make sure the time is in sync on all your compute nodes and controller. On 4 Dec 2014 02:05, Guillermo Alvarado guillermoalvarad...@gmail.com wrote: I got this log when the computes goes XXX *var/log/nova/nova-compute.log* 2014-12-04 00:43:41.921 32947 DEBUG nova.openstack.common.lockutils

Re: [Openstack] significanse of reserved_host_memory_mb

Depending on your overcommit ratio, the scheduler can schedule instances using more virtual memory than the available physical memory on the host, 700 MB in your case. On 27 Nov 2014 05:36, mad Engineer themadengin...@gmail.com wrote: hi all i have set reserved_host_memory_mb in nova.conf of

Re: [Openstack] significanse of reserved_host_memory_mb

of RAM is 1 and that is working.However instances are still getting created with available free memory reserved_host_memory_mb On Thu, Nov 27, 2014 at 4:33 PM, George Mihaiescu lmihaie...@gmail.com wrote: Depending on your overcommit ratio, the scheduler can schedule instances using more

Re: [Openstack] Cannot launch instance: No valid host was found: Port failed to bind on host

You have to install the neutron-openvswitch-agent on the compute nodes as well. On 26 Nov 2014 06:57, Uwe Sauter uwe.sauter...@gmail.com wrote: Hi all, I'm trying to setup Juno on five hosts (CentOS 7), following along the three-node setup guide as close as possible. My setup differs in that

Re: [Openstack] Cannot launch instance: No valid host was found: Port failed to bind on host

Hi Uwe, Enable debug, restart the service and you should get more info. George On Wed, Nov 26, 2014 at 11:28 AM, Uwe Sauter uwe.sauter...@gmail.com wrote: Hi all, does anyone know why neutron-openvswitch-agent.service keeps crashing? Nov 26 17:25:40 os483601.localnet systemd[1]: Starting

Re: [Openstack] Nova DB sync Operational error

Make sure that nova.conf you edited it's actually being used, if you have a nova.conf in your root directory it will be used before the one in /etc/nova/. You could start the db sync with strace and see what config file is actually used just to make sure. Also, if the nova.conf has wrong

Re: [Openstack] Understanding Neutron/ML2/Openvswitch/VXLAN

Run 'brctl show' to see the linux bridge that holds the veth pair. On 20 Nov 2014 05:14, Robert van Leeuwen robert.vanleeu...@spilgames.com wrote: I still don’t get it. I can’t see the veth pair configured when calling #ip link list Do other methods exist to configure veth pairs? You

Re: [Openstack] Error while installing Nova on SLES 11 SP3

The problem is pretty clear to me: *useradd: UID 96 is not unique.* Your distribution is probably using a hard-coded userid which is already used on your system. On Thu, Nov 13, 2014 at 10:11 AM, varun bhatnagar varun292...@gmail.com wrote: Hi, Am I the only one who got this error? Any

Re: [Openstack] [Openstack-operators] vxlan network and windows on guests

To see where the problem lies you could do an iperf test between two instances of the same tenant running on the same compute node. The traffic would still pass through openvswitch, but not across the Vxlan tunnel. On Oct 15, 2014 5:29 PM, Sławek Kapłoński sla...@kaplonski.pl wrote: Hello, I

Re: [Openstack] Question about VXLAN support

) help to exceed the 4k subnet limitation? In such a scenario, will dhcp + routing be distributed or is a second network node just something like a hot-standby? Thanks! -- Andreas (irc: scheuran) On Thu, 2014-09-18 at 09:47 -0400, George Mihaiescu wrote: The VLAN ID is only locally significant

Re: [Openstack] Question about VXLAN support

serve more than 4096 Neutron subnets, but you would hit other limits by then. George From: BYEONG-GI KIM [mailto:kimbyeon...@gmail.com] Sent: Wednesday, September 17, 2014 10:41 PM To: George Mihaiescu; openstack@lists.openstack.org Subject: Re

Re: [Openstack] Question about VXLAN support

The internal VLAD ID is indeed limited to 4096 but this internal tag number is used to isolate different neutron subnets, not tenants. A tenant could create 10 neutron networks each with its own subnet and then start 10 instances each attached to a separate net/subnet. If these instances

Re: [Openstack] Cinder.conf setting

The first error is probably triggered because the Mysql user you created for Cinder doesn't have write permissions on the cinder db. The second error is because you passed the logs argument (string) to the cinder-manage db sync command which can only accept an integer (for example 3, if

Re: [Openstack] Adapting the install guide network setup for production

Hi Daniel, It's recommended to separate the external traffic reaching the Dashboard from the management, so the Dashboard server(s) should have at least two NICs (public and management). The installation guide covers only one of the multitudes of possible deployment scenarios, and in this

[Openstack] [LBaaS] Security group applied to the LB VIP

Hi, I would like to know if there is a way to apply security rules to the VIP assigned to a LB in the Haproxy implementation. I noticed that this functionality doesn't exist in Horizon and I couldn't find a way to do this with the neutron client. Basically, I would like to enable access

Re: [Openstack] Neutron (Havana) configuration on Ubuntu

Hi Ross, You also have to assign the router you created an interface on the admin-net.1 If everything is setup correctly you can then run neutron router-list to see the ID of the router you created, and then neutron router-port-list ROUTER_ID and you should see that your router has two

Re: [Openstack] Openstack Neutron - ML2 Plugin Deep Dive.

Thanks for the slides Kyle. Can you please provide some details about the proxy ARP mechanism (mentioned on slide 21) that intercepts the ARP request and answers using a pre-populated neighbour entry? Where is the proxy ARP learning from, and how long it caches the entries? Does it update when