Questions tagged [openstack]
OpenStack is a collection of open source projects that enables an open, scalable cloud infrastructure. The core of OpenStack is meant to provide consistent APIs and interfaces to a variety of potential back-ends.
693 questions
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Relationship between Vagrant, Docker, Chef and OpenStack (or similar products)?
I am a web developer, but I am also interested in a few administrative tasks. Hence, the new move from pure administration to dev-ops comes handy for me.
Anyway, I have some problems to put a few ...
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Turn off strict checking of ssh keys
Each user creates and destroys 15+ VM's per day. The VM's are created in the company's internal OpenStack cloud.
Every time a new vm is assigned an ip address which has previously been handed out, ...
- 1,755
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libvirt network error - no 'default' network device found
My original purpose is to create centos image for openstack. Although I did directly with kvm, still wondering about error.
Was using this manual for my task.
After this command:
# virt-install --...
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How to setup an NFS server that caches a network share?
User data is stored on two fairly large (>1 PB) OpenStack Swift storage clusters. Let them be Cluster A and Cluster B.
In addition, there are several PoPs that need to interact with that data. ...
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Why does OpenStack distinguish images from snapshots?
Usually, https://serverfault.com/a/268727/126950:
snapshot = an exact capture of what a volume looked like at a particular moment in time, including all it's data.
image = a total snapshot of a system ...
- 1,930
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1
answer
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Vagrant (Virtualbox) host-only multiple node networking issue
I'm trying to use a multi-VM vagrant environment as a testbed for deploying OpenStack, and I've run into a networking problem with trying to communicate from one VM, to a VM-inside-of-a-VM.
I have ...
- 5,266
7
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2
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What is reasonable storage failover time that most OS (VM) can tolerate?
I have a GlusterFS 2 node 2 replica setup. I am planning to use it as OpenStack instance store, in which the VM disk image is stored.
From my tests, if the GlusterFS node which the hypervisor ...
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7
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2
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Monitor VM's resources (CPU, RAM etc)
I'm testing Openstack and i'd like to know how can i find out about resource utilization inside instances (Virtual Machines).
Openstack uses kvm, qemu and libvirt in my testing environment. Is there ...
- 211
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1
answer
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cloud-init does not grow the partition nor the filesystem
I am currenty preparing OpenStack-ready images of CentOS 7 and Ubuntu 14.04.
For the "automation" I use Packer, which is provided by you with a JSON-template. Packer then starts the installation ...
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Does OpenStack make sense for a home server? [closed]
I currently have a home server (HP N40L) running FreeNAS to provide my home with a few basic things like a file server, media streaming, and a few virtualized apps + a windows XP virtual desktop.
It ...
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How to resize a volume in an instance on OpenStack?
check using volume from list
openstack volume list
set status to available to a volume
openstack volume set --state available [volume id]
resize the volume
openstack volume set --size 40 [volume id]...
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Why does host swap out VMs when there are 16GB of buffer cache and swappiness = 0? [duplicate]
I have a desktop running Ubuntu Quantal using OpenStack Folsom on an Intel i5 with 32 GB RAM and 2 GB swap. I'm running 7 VMs each sized like a EC2 m1.small, so 1.7 GB RAM each. I'm using KVM.
As I ...
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Packets only get forwarded when tcpdump running on bridge
I ran into the oddest thing when trying to debug a networking issue with OpenStack. I was doing a ping test between virtual machines. The ICMP request packets only made it to the destination host if I ...
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4
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OpenStack: Can I convert a volume into an image?
I am trying to figure out the path of least resistance in OpenStack to get from a live CD to a disk image that can be used for deploying new guest instances.
If you boot an OpenStack instance from a ...
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QCOW2 virtual size lowering
I'm trying to get the virtual size of a qcow2 container down so that it can fit in a openstack flavor with 10GB disk.
root@node-10:~# qemu-img info zztop.qcow
image: zztop.qcow
file format: qcow2
...
