After loading nbd module in compute node, I continued trying to boot from a
bootable cinder volume but this is what I see in nova-compute.log.
I am not using Cinder so maybe this isn't an option for you, but my
recommendation is to blacklist the nbd module altogether, and remove
the nbd
where should I start looking to find out why things are so slow?
Check the glance node. The first prototype I set up had an incredibly
slow glance node, which led to this kind of behavior.
Are the compute nodes downloading at the same time, or sequentially?
Mark
Is it safe to downgrade to a previous Ubuntu version? Can someone point a
good tutorial on how to do it properly?
Theoretically possible, but probably not worth the effort. I would suggest
reinstalling
with 12.04 and then move over the configs and data.
Mark
Is it possible to have fedora 18 controller and debian wheezy compute nodes?
Masochistic but possible. Ubuntu does the best job of packaging, that is what
I used for my test system (even though I loathe ubuntu server). For Grizzly
I am going to see if there are good repos for el6.
Is it
glance.openstack.common.cfg.ConfigFilesNotFoundError: Failed to read some
config files: /etc/glance/glance-api.conf
What are the permissions on this file? The glance user will need to be able to
read it.
Mark
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Could i Have a complete configuration for openstack running in local? (private
cloud)
http://lmgtfy.com/?q=openstack+easy+install
I used the Hastexo guide and it was pretty easy.
Mark
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Quantum seems out because it looks like it requires 3 NICs. I initially
You can just use VLAN tagging for this. Personally, unless I have a
reason not to, I bond 2 nics using 802.3ad and then tag the bond to
however many VLANs I need.
If you are new to doing this on Linux it will take a
are make in the compute node. So all this takes long an dis proportional to
the image size. Is there any way to speed up this process? Is a SAN based
backend the only way to go?
No, but if you have multiple compute nodes you will want to have them
all share /var/lib/nova/instances on a fast
but the resize2fs tools is not working and raise following error
$ resize2fs rhel6.3-x86_64.img
You will probably want to have a firstboot kind of script that does
this from inside the VM. resize2fs can run while the VM is live but
you may have to reboot after running growpart before you
The change I made that helped the most was to disable NBD. You have
Was that to disable injection at startup?
No, NBD is just slow and unreliable for some reason. Disabling it made
my users happy. I haven't had time to find out why NBD is so horrible.
Eventually I would like to see
Or is there any way in openstack i can implement dynamic dns in openstack.
If you want your VM's to automatically get a DNS entry, I have a MyDNS
add-on that can do it. MyDNS is a DNS server that uses a database
instead of zone files.
You just have to pick a domain or subdomain, and then
Has anyone here been able to make Openstack + KVM work with Infiniband
NFS-RDMA?
I finally found the solution to this and wanted to pass it along.
RDMA does not work with cache=none. There is an auto-detect routine
deep within the python code that is supposed to switch this to
writeback,
Has anyone here been able to make Openstack + KVM work with Infiniband
NFS-RDMA?
I have spent a couple of days here trying to make it work, but with no
luck. At first I thought the problem was NFS3 and lockd, but I tried
NFSv4 and I have the same problem. I also disabled AppArmor just as
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