[Openstack-operators] osops-tools-monitoring Dependency problems

Hi! I'm a long time user of monitoring-for-openstack, also known as oschecks. Concretely, I used a version from 2015 with OpenStack python client libraries from Kilo. Now I have upgraded them to Mitaka and it got broken. Even the latest oschecks don't work. I didn't quite expect that, given that

Re: [Openstack] volume state (in-use/available) vs real work

Hi! whether this works or not depends on the backend. For example, on Fibre Channel, the VM would still see the same size, because it is still presented from the storage to the hypervisor with the same size. Changing it on the fly requires you to dig deep in Linux SCSI rescans and device mapper

Re: [Openstack-operators] [openstack-dev] [nova] Default scheduler filters survey

Hi! What we‘ve got in our small public cloud: scheduler_default_filters=AggregateInstanceExtraSpecsFilter, AggregateImagePropertiesIsolation, RetryFilter, AvailabilityZoneFilter, AggregateRamFilter, AggregateDiskFilter, AggregateCoreFilter, ComputeFilter, ImagePropertiesFilter,

Re: [openstack-dev] [Openstack-operators] [nova] Default scheduler filters survey

Hi! What we‘ve got in our small public cloud: scheduler_default_filters=AggregateInstanceExtraSpecsFilter, AggregateImagePropertiesIsolation, RetryFilter, AvailabilityZoneFilter, AggregateRamFilter, AggregateDiskFilter, AggregateCoreFilter, ComputeFilter, ImagePropertiesFilter,

Re: [Openstack-operators] [openstack-dev] [nova] about rebuild instance booted from volume

Hi! I say delete! Delete them all! Really, it's called delete_on_termination and should be ignored on Rebuild. We have a VPS service implemented on top of OpenStack and do throw the old contents away on Rebuild. When the user has the Backup service paid, they can restore a snapshot. Backup is

Re: [openstack-dev] [Openstack-operators] [nova] about rebuild instance booted from volume

Hi! I say delete! Delete them all! Really, it's called delete_on_termination and should be ignored on Rebuild. We have a VPS service implemented on top of OpenStack and do throw the old contents away on Rebuild. When the user has the Backup service paid, they can restore a snapshot. Backup is

Re: [Openstack-operators] How are you handling billing/chargeback?

Hi! We at Homeatcloud have rolled our own engine taking data from Ceilometer events. However, CloudKitty didn‘t exist back then. Now we would probably use it to calculate the rating AND roll our own engine for billing and invoice printing. Tomas From: Flint WALRUS

Re: [Openstack] [ironic] how to prevent ironic user to controle ipmi through OS?

How about HPE iLO, does anyone know a way to disable access from the OS? From: Tyler Bishop [mailto:tyler.bis...@beyondhosting.net] Sent: Sunday, January 28, 2018 2:01 AM To: Guo James Cc: openstack Subject: Re: [Openstack] [ironic] how to prevent ironic user to controle ipmi through OS?

Re: [Openstack-operators] thierry's longer dev cycle proposal

The thread on the dev list is already too long for my liking. I hope there will be a TL;DR in the dev mailing list digest. Tomas -Original Message- From: arkady.kanev...@dell.com [mailto:arkady.kanev...@dell.com] Sent: Thursday, December 14, 2017 3:40 AM To: mrhills...@gmail.com;

Re: [Openstack] Computer Science Master's Thesis Topics?

Hi Felix! I'm a PhD student at CTU FEE. My own topic was simulation of automatic scaling using both the event-driven approach and queue network modelling. The second part of the thesis was on the prediction of web server workload in time. If you wanted, you could continue and simulate some

Re: [Openstack] Compute Node shutdown how to prevent instance suspend

Hi! When I need to reboot a compute node (because of some driver lock-up or such problems), I first stop nova-compute so that it does not report the shutoff state of VMs to the database and resume_guests_state_on_host_boot=true does actually start them. Then I press the power switch on the VMs

Re: [Openstack-operators] [nova] Should we allow passing new user_data during rebuild?

Dear Clint, maybe you misunderstood a little, or I didn't write it explicitly. We use OpenStack for providing a VPS service, yes. But the VPS users do not get access to OpenStack directly, but instead, they use our Customer Portal which does the orchestration. The whole point is to make the

Re: [Openstack-operators] [nova] Should we allow passing new user_data during rebuild?

In our cloud, we offer the possibility to reinstall the same or another OS on a VPS (Virtual Private Server). Unfortunately, we couldn’t use the rebuild function because of the VPS‘s use of Cinder for root disk. We create a new instance and inject the same User Data so that the new instance has

Re: [Openstack-operators] cinder/nova issues

Hi! If this was OpenStack Kilo and HPE 3PAR over Fibre Channel, I would tell you that the volume extend operation is designed to work with detached volumes only. Hence you need cinder reset-state. At least in our case, it does not update the SCSI devices and multipath setup. The volume

Re: [Openstack-operators] custom build image is slow

Hi! How big are the actual image files? Because qcow2 is a sparse format, it does not store zeroes. If the free space in one image is zeroed out, it will convert much faster. If that is the problem, use „dd if=/dev/zero of=temp;sync;rm temp“ or zerofree. Tomas From: Paras pradhan

Re: [Openstack] dhcp namespace and vert pairs?

Hi! I think that the DHCP server does not work for the laptop because it only server MAC:IP pairs configured by Neutron. You can confirm by stealing a MAC address configured to an instance. Stop it and try dhclient ;-). However, I'm not enough of a Neutron guru to guarantee you that you will be

Re: [Openstack] Mirantis Openstack - Instances lose IP in certain nodes

Hi! What kind of networking plugin have you deployed with Fuel? Do you mean fixed IP or Floating IP? Tomas From: Raja T Nair [mailto:rtn...@gmail.com] Sent: Tuesday, June 27, 2017 8:54 PM To: openstack@lists.openstack.org Subject: [Openstack] Mirantis Openstack - Instances lose IP in

Re: [Openstack] Floating IP issues in multiple cloud installs.

Hi! Do you have Neutron DVR enabled? Multiple Network nodes? Tomas -Original Message- From: Brian Haley [mailto:haleyb@gmail.com] Sent: Tuesday, June 20, 2017 3:30 AM To: Ken D'Ambrosio Cc: Openstack Subject: Re: [Openstack] Floating IP issues in multiple cloud installs. On

Re: [Openstack-operators] [nova] instance partition size discrepancy

Have you tried # resize2fs /dev/vda ? Alternatively, if you use images with cloud-init and initramfs-growroot installed, it should work out of the box. Tomas -Original Message- From: Carlos Konstanski [mailto:ckonstan...@pippiandcarlos.com] Sent: Wednesday, April 26, 2017 12:02 AM To:

Re: [Openstack] poor bandwidth across instances running on same host

Sorry to shatter you expectations, but those numbers are perfectly OK. I was testing on HPE DL380 gen9 with Intel Xeon E5-2630v3 and I got these speeds between two KVM VMs on the same host using netperf 28186

Re: [Openstack] VMs lost IP after running for few days on OpenStack Liberty.

Hi Dan, that normally should not happen. Presuming you are running Neutron, it may be two things – either your DHCP agent died and the instances could not renew their IPs, or the DHCP client inside them died, or as third variant, your RabbitMQ bus is broken and the DHCP agents don’t have

Re: [Openstack-operators] [scientific] Resource reservation requirements (Blazar) - Forum session

Hi! Did someone mention automation changing the spot instance capacity? I did an article in 2013 that proposes exactly that. The model forecasts the workload curve of the majority traffic, which is presumed to be interactive, and the rest may be used for batch traffic. The forecast used is

Re: [Openstack-operators] Flavors

We at Homeatcloud.com do exactly this in our VPS service. The user can configure the VPS with any combination of CPU, RAM, and disk. However a) the configurations are all about 10% the size of the physical machines and b) the disks are in a SAN array, provisioned as volumes. So I give the users

Re: [Openstack] Migrating cinder volumes to a new cluster

Hi Jim! I think that the plan is good. I think Cinder should not delete anything unless told to do so. You have to create the CPG space manually before Cinder can start using it, so it does no initialization. Do you have opportunity to test it, on some other CPG perhaps? We have the same setup

Re: [Openstack-operators] [nova] Do you use os-instance-usage-audit-log?

Hi Matt, I've looked at my Nova config and yes, I have it on. We do billing using Ceilometer data and I think compute.instance.exists is consumed as well. The Ceilometer event retention is set to 6 months and the database size is in single gigabytes. Nova database table task_log only contains the

Re: [Openstack-operators] RabbitMQ 3.6.x experience?

We have upgraded to RabbitMQ 3.6, and it resulted in one node crashing about every week on out of memory errors. To avoid this, we had to turn off the message rate collection. So no throughput graphs until it gets fixed. Avoid this version if you can. Tomas From: Sam Morrison