/content/section_configuring-compute-migrations.html
Cheers,
Robert van Leeuwen
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just in 64GB.
So you should probably see quite a lot of cache misses currently in the xfs
stats (xfs xs_dir_lookup, xs_ig_missed)
Cheers,
Robert van Leeuwen
-Ursprüngliche Nachricht-
Von: Robert van Leeuwen [mailto:robert.vanleeu...@spilgames.com]
Gesendet: Dienstag, 10. Februar 2015 12
to nodes with config 2.0.
We stopped using flashcache, since it was a bit of a pain and without it is
also fine for us.
As a result a full sync when adding an empty new node is now down to 1-2 days
while this used to be 2+ weeks.
Cheers,
Robert van Leeuwen
in software.
You will need network cards that can do VXLAN offloading to go to similar speed
as hardware (10Gbit).
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Robert van Leeuwen
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Hi Robert,
how do I check that?
I would take a look at the Spec sheet of the nic.
Since it is a pretty recent thing it probably is not supported unless you
specifically shopped for a card with support...
Cheers,
Robert
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is in a specific host aggregate
it will not spawn machines.
However I would certainly want this to be an option.
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if the storage is the actual bottleneck or
if it is something on the client.
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a major improvement using RAW vs QCOW2
(in theory this should be similar, however, when you need a high random IO
throughput we did see major improvements in our setup with RAW)
On more thing to check is partition alignment. (not very likely for a recent OS)
Cheers,
Robert van Leeuwen
I want to build only private storage cloud using openstack swift.
So, does i need to install nova compute engine. I have been installed and
setup swift components.
No, you do not.
You just need Swift and, optionally, keystone.
Cheers,
Robert van Leeuwen
I just noticed that the bridge devices and ovs devices are no longer
removed after instance deletion.
So using brctl show and ovs-vsctl show the devices are still there.
The tool exists already as it is called: neutron-ovs-cleanup
You will have the same issues with name spaces but we also have a
/using-coreos/clustering/
openshift / openshift origin: https://www.openshift.com/products/origin
Geard (openshift uses this):
https://github.com/openshift/geard/blob/master/README.md
I'd be happy to hear what other people have experience with :)
Cheers,
Robert van Leeuwen
it will
stop), rabbitmq is keep running but will stop processing messages.
Have a look at the rabbitmq management interface:
https://www.rabbitmq.com/management.html
This is usually points you in the right direction.
Cheers,
Robert van Leeuwen
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.
The bug report is here: https://bugs.launchpad.net/nova/+bug/1362129
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Robert van Leeuwen
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writeup about what is shared when using cells/regions/av
zones/aggregates here:
http://docs.openstack.org/openstack-ops/content/scaling.html
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Robert van Leeuwen
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Post
to false +
modify other flavors with this key set to false.
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Robert van Leeuwen
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,MULTICAST,PROMISC,UP,LOWER_UP mtu 1500 qdisc
pfifo_fast state UP qlen 1000
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not see this error when running this command on our production environment.
As a test I also spawned 100 vm's in dev on a single hypervisor, also no issues.
Running neutron with ML2 plugin and openvswitch.
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Robert van Leeuwen
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. a load-balancer?
Maybe that has some issues with larger requests...
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Robert van Leeuwen
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Have you looked if the flows in the ovs are properly created?
If there are no flows you have no traffic.
Do a ovs-ofctl dump-flows on the two bridges to check those..
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Robert van Leeuwen
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+1 for a CentOS 6 deployment, you need to upgrade the qemu, not the kernel.
Slightly related:
Note that there are currently no Juno RDO packages for CentOS 6.
If you are building a new OpenStack deployment I would certainly start with
Centos/RHEL 7
Cheers,
Robert van Leeuwen
. something simple like changing a log setting becomes a hassle.
I would prefer the default behaviour to be to not clear the flows or at the
least an config option to disable it.
Cheers,
Robert van Leeuwen
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this can help fix this bug:
https://bugs.launchpad.net/nova/+bug/1270825
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Robert van Leeuwen
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it can cope with machines doing
1000s of requests per second...
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Robert van Leeuwen
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..
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is successful.
I disagree.
I think It is just something you need to be aware of ( I never found this
strange behaviour)
It is hugely useful to know what IP the machine should get, even if the machine
is not (yet) running or suspended/stopped.
Cheers,
Robert van Leeuwen
as a cloud op?
As others before me I also lean toward option one.
Cheers,
Robert van leeuwen
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1. Assuming layer 7 is what would be used for openstack services like
keystone and Swift, not layer 4? I saw a layer 4 in front of a layer 7
in one of the diagrams, didnt really understand why that was needed.
Did not make that drawing ;)
I see no reason why it would be mandatory.
2. Do
it on our hypervisors (which is rock solid).
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Robert van Leeuwen
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tools where you can mount a swift store as a directory on your
machine so less savvy users can use it to copy some files.
( e.g.
http://www.mirantis.com/openstack-portal/the-comparison-of-openstack-swift-compatible-clients/
)
Cheers,
Robert van Leeuwen
://engineering.spilgames.com/using-ceilometer-graphite/
Cheers,
Robert van Leeuwen
Sent from my iPad
On 16 aug. 2014, at 02:14, Guillermo Alvarado
guillermoalvarad...@gmail.com wrote:
Hello,
I am wondering why Ceilometer uses MongoDB instead MySQL or some relational
database?
What
is the one that we added in our setup:
allowed_headers = Content-Disposition, Content-Encoding, X-Delete-At,
X-Object-Manifest, X-Static-Large-Object, Cache-Control
Cheers,
Robert van Leeuwen
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Where Can i increase the port quota ? Can you please help me with it ?
http://docs.openstack.org/user-guide-admin/content/cli_set_quotas.html#cfg_quotas_common
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Robert van Leeuwen
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needs today but in a few years there will be very
few reasons to buy a SAN...
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Robert van Leeuwen
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indication on whats wrong.
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Robert van Leeuwen
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,
Robert van Leeuwen
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the state of migrations is in Icehouse.
There were talks to move the migration tasks to the conductor/schedule(?) in
the codebase but I haven't read anything in the release notes about this.
Seems like there is still some room for improvement here...
Cheers,
Robert van Leeuwen
.
Cheers,
Robert van Leeuwen
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in the Havana release 2013.2.3.
Cheers,
Robert van Leeuwen
From: Sam Stoelinga [sammiest...@gmail.com]
Sent: Friday, May 09, 2014 10:13 AM
To: openstack@lists.openstack.org
Subject: [Openstack] Boot from Volume stuck at Booting from hard disk
When using Boot from
What changes will be there in authentication requests for accessing resources
over many regions ? Will
access URLs change for specific regions?
The keystone URL will be the same but you will create endpoints in keystone for
each region.
The client will need to set their region in the
default --provider:segmentation_id $vlan-id
--shared True
Since this is just a regular VLAN network you can directly patch your router
for the segment also in that VLAN and things should work :)
Cheers,
Robert van Leeuwen
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of VLANs)
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Robert van Leeuwen
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to connect to rabbitmq (so no errors in the logs) but it
stopped processing messages.
Cheers,
Robert van Leeuwen
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a bug report with all the info you can gather.
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Robert van Leeuwen
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) server code or Nova.
Check the Nova and Neutron server logs to see if the message is actually being
put the messagebus.
Could give an understanding where/why this is going wrong.
Cheers,
Robert van Leeuwen
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enabled needs these
devices.
This is because without them traffic will never hit iptables on the compute
node.
There is currently work in progress to copy the iptables functionality to
openvswitch/openflow rules so this setup is no longer needed.
Cheers,
Robert van Leeuwen
to be the correct
version.
Best would be to have just one version in your local repositorie or use
puppet/chef/whatever ensure = version for this.
Cheers,
Robert van Leeuwen
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though.
(e.g. it currently works, there is nothing in the release notes we need, so
lets not break it ;)
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Robert van Leeuwen
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any tip or experience regarding what happened ?
thanks as allways
I would start by doing a tcpdump on one of the saturated links on the compute
node to see what kind of traffic it is...
Cheers,
Robert van Leeuwen
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id)
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Robert van Leeuwen
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have pro's and con's.
Cheers,
Robert van Leeuwen
From: Aryeh Friedman [aryeh.fried...@gmail.com]
Sent: Friday, February 14, 2014 7:46 AM
To: openstack@lists.openstack.org
Subject: [Openstack] what is the currently recommended host OS for havana?
what
solution but I could not find
any 3rd party drivers yet.
Drivers I could find seem to be limited to layer 2 networking.
If there is not anything available yet, how much effort would be to create such
a driver?
( days/weeks/months of work ?)
Thx,
Robert van Leeuwen
to test your knowledge /
troubleshooting skills on dev ;)
Usually checking what happens in the logfiles gives you enough information on
where to look.
Cheers,
Robert van Leeuwen
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a few small bumps with the db upgrades. Make sure you have a
mysqldump before doing those. :)
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Robert van Leeuwen
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. (if
the l3-agent is still not possible with HA.)
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Robert van Leeuwen
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:
quantum router-create router1
quantum router-interface-add router1 ${subnetname)
What is the output of the following?:
quantum l3-agent-list-hosting-router $(routername}
Cheers,
Robert van Leeuwen
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,
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So it seems a big number of inodes considering that we are using just a 15%
of the total capacity. A different thing here is that we are using 512K of
inode size and we have a big amount of memory .
Also we always have one of our disks close to 100% of util, and this is
caused by the
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