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Recent questions tagged hypervisor

0 votes
1 response 739 views

Hi, forks: I have a openstack o version cluster with two compute nodes. The resources are almost used up. So, I add a new compute node to a running cluster and try to cold migrate a vm to the new compute node. At the first time, the ...

asked Nov 15, 2017 in openstack by sam_song (180 points)   1 1 2
0 votes
1 response 38 views

Hello All, I have a newly deployed stack with 8 computes in baremetal. While configuring Fuel initially, I left the Hypervisor Type as default value ``Qemu'' Now while checking in detail, it seems that setting it to kvm is optimal for ...

asked Nov 7, 2017 in openstack by Raja_T_Nair (1,020 points)   3 6
0 votes
0 responses 576 views

Hello Openstack, I need a help with AZ in Nova. I think that this case wasn't discussed before, I tried hard to google it and I find only one solution (below) which I tried but doesn't work. I have 2 availability zones (2 host aggregates ...

asked Nov 6, 2017 in openstack by Ondrej_Vasko (120 points)   1 1 1
0 votes
8 responses 1,400 views

Hello, When we shut down a compute node the instances running on it get suspended. This generates some difficulties with some applications like RabbitMQ dont like to be suspended. Is there a way to change this behavior so that the running ...

asked Nov 3, 2017 in openstack by Chris (1,320 points)   2 7 12
0 votes
11 responses 40 views

Hi all! I'd like to invite you to the discussion of the way to implement traits in ironic and the ironic virt driver. Please vote for the time at Please vote by EOD tomorrow. Note that it's going to ...

asked Nov 2, 2017 in openstack-dev by Dmitry_Tantsur (18,080 points)   2 5 11
0 votes
4 responses 26 views

After moving from CentOS 7.3 to 7.4, I’ve had trouble getting live migration to work when a volume is attached. As it turns out when a live migration takes place the libvirt driver rewrites portions of the xml definition for the ...

asked Nov 2, 2017 in openstack-operators by Mike_Lowe (1,060 points)   3 3
0 votes
3 responses 55 views

Hey, We are in the process of integrating OpenStack Ironic into our own OpenStack Distribution. Still pulling all the pieces together ... have not yet got a successful ‘nova boot’ yet, so issues below could be configuration or setup ...

asked Oct 30, 2017 in openstack-dev by Waines,_Greg (2,700 points)   1 7 14
0 votes
1 response 94 views

===== UPDATE 10/23 ====== we have been trying different things to get better debug we disabled rate-limiting in order to get better info in /var/log/message. for some reason (maybe unrelated) we didn't get the soft lockup during this test ...

asked Oct 24, 2017 in openstack by Jim_Okken (480 points)   2 3
0 votes
14 responses 50 views

Hi all, I promised John to dump my thoughts on traits to the ML, so here we go :) I see two roles of traits (or kinds of traits) for bare metal: 1. traits that say what the node can do already (e.g. "the node is doing UEFI boot") 2. traits ...

asked Oct 23, 2017 in openstack-dev by Dmitry_Tantsur (18,080 points)   2 5 11
0 votes
4 responses 331 views

This is interesting from the user point of view: - The user creates an instance in a non-default AZ. - They shelve offload the instance. - The admin deletes the AZ that the instance was using, ...

asked Oct 22, 2017 in openstack-dev by mriedemos_at_gmail.c (15,720 points)   2 7 12
0 votes
4 responses 760 views

Hi all, Has anyone seen guest crashes/freezes associated with KVM unhandled rdmsr messages in dmesg on the hypervisor? We have seen these messages before but never with a strong correlation to guest problems. However over the past couple of ...

asked Oct 18, 2017 in openstack-operators by Blair_Bethwaite (4,080 points)   1 3 6
0 votes
0 responses 22 views

Some workloads require to have hypervisor overheads to be isolated from the set of pCPUs running guest vCPUs threads. For libvirt driver we have introduced the emulator threads placements which provides an option to reserve an additional ...

asked Oct 11, 2017 in openstack-dev by Sahid_Orentino_Ferdj (1,020 points)   1 1
0 votes
34 responses 58 views

Hey all, Back in a joint meeting with the TC, UC, Foundation and The Board it was decided as an area of OpenStack to focus was Simplifying OpenStack. This intentionally was very broad so the community can kick start the conversation and ...

asked Oct 4, 2017 in openstack-dev by Mike_Perez (13,120 points)   2 4 6
4 x  
0 votes
14 responses 142 views

Please consider the support of MDEV for the /pci framework which provides support for vGPUs [0]. Accordingly to the discussion [1] With this first implementation which could be used as a skeleton for implementing PCI Devices in Resource ...

asked Oct 2, 2017 in openstack-dev by Sahid_Orentino_Ferdj (1,020 points)   1 1
0 votes
13 responses 32 views

Hi folks, First of all, thanks for the audiences for Mogan project update in the TC room during Denver PTG. Here we would like to get more suggestions before we apply for inclusion. Speaking only for myself, I find the current direction of ...

asked Sep 28, 2017 in openstack-dev by Zhenguo_Niu (2,400 points)   1 4
2 x  
0 votes
6 responses 39 views

There is a desire to expose the vGPUs resources on top of Resource Provider which is probably the path we should be going in the long term. I was not there for the last PTG and you probably already made a decision about moving in that ...

asked Sep 27, 2017 in openstack-dev by Sahid_Orentino_Ferdj (1,020 points)   1 1
0 votes
6 responses 1,637 views

Colleagues, can't find ways to resize attached volume. I'm on Pike. As far as I understand, it required to be supported in Nova, because Cinder need to check with Nova whether it's possible to extend this volume. Well, - Nova's API ...

asked Sep 26, 2017 in openstack by Volodymyr_Litovka (1,100 points)   2 6 8
0 votes
0 responses 12 views

Hi all, This is a summary of Queens PTG discussion for Blazar. We had lots of items in the meeting. So I write down main topics in the mail. If you're interested in all items, please see the queens PTG etherpad page[1]. Priorities for ...

asked Sep 21, 2017 in openstack-dev by Masahito_MUROI (1,900 points)   1 3
0 votes
2 responses 134 views

Hi I just noticed a strange (?) issue when I tried to create an instance with a flavor with hw:cpu_policy=dedicated. The instance failed with error: Unable to read from monitor: Connection reset by peer', u'code': 500, u'details': u' File ...

asked Sep 18, 2017 in openstack by Tomas_Brännström (200 points)   1 2
0 votes
2 responses 293 views

Hi Julien, On Tue, Aug 11 2017, Julien Danjou wrote: >> We are happy to share with you that we developed an AngularJS based usage >> monitoring panel for Horizon. >> The panel visualizes the collected utilization data by Ceilometer. >> >> ...

asked Sep 15, 2017 in openstack-dev by Esra_Celik (740 points)   1 1