Re: [Openstack-operators] Blazar? (Reservations and/or scheduled termination)

On 8/3/2016 11:47 AM, Jonathan D. Proulx wrote: Hi All, As a private cloud operatior who doesn't charge internal users, I'd really like a way to force users to set an exiration time on their instances so if they forget about them they go away. I'd though Blazar was the thing to look at and

[Openstack-operators] can we lock RPC version with upgrade_levels on neutron-openvswitch-agent ?

Hello, we are doing the upgrade Kilo to Liberty pet by pet. We already upgraded successfully Keystone and Glance. Now I started the Nova pet upgrade. For the controller node it was ok. As soon as I upgraded the compute nodes I had a problem with neutron. I can't lock the

Re: [Openstack-operators] Tuning I/O with SSDs

there are fundamental longevity of life questions with SSDs and tuning. I'd be interested in hearing about that as well. On Fri, Aug 5, 2016 at 11:23 AM, Edgar Magana wrote: > Tim, > > > > At Workday team we are working on that, our work is for CEPH performance. >

Re: [Openstack-operators] Tuning I/O with SSDs

On Fri, Aug 05, 2016 at 12:09:50PM +, kostiantyn.volenbovs...@swisscom.com wrote: > 3) The question of cfq vs. deadline vs. noop scheduler (apparently both > in guest and host) where decision should be based on > workloads/recommendations of OS vendor (/which again might be >

Re: [Openstack-operators] Tuning I/O with SSDs

Tim, At Workday team we are working on that, our work is for CEPH performance. Basically, moving janitor and cache to the SSD while we have backend replication in HDD. Still way too early for formal report but remind me in a couple of months. Edgar From: Tim Bell Date:

Re: [Openstack-operators] Tuning I/O with SSDs

Hi, I think that https://wiki.mikejung.biz/KVM_/_Xen might be quite useful Pretty much there won’t be a universal recipe but rather combination of what are kernel/QEMU/OpenStack… versions and implementation choices that were made -Guest OS/host OS kernel version -QEMU version -OpenStack release.

[Openstack-operators] Tuning I/O with SSDs

Has anyone a good recipe for improving I/O performance when the hypervisor has SSDs ? The configuration is CentOS 7 for guest and hypervisor with KVM. Tim ___ OpenStack-operators mailing list OpenStack-operators@lists.openstack.org