[openstack-dev] openstack/requirements and tarball subdirs

2014-07-07 Thread Philipp Marek
can I tell the extract script that it should look into that one? Thank you for your help! Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered trademarks

Re: [openstack-dev] openstack/requirements and tarball subdirs

2014-07-07 Thread Philipp Marek
releases are available on http://dbus.freedesktop.org/releases/dbus-python/ though; perhaps the 1.2.0 release works better? But how could I specify to use _that_ source URL? Thank you! Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support

Re: [openstack-dev] openstack/requirements and tarball subdirs

2014-07-08 Thread Philipp Marek
see the global site-packages directory. Nova does the same thing for some of its dependencies. But such a change would affect _all_ people, right? Hmmm... If you think such a change will be accepted? Thank you for your help! Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way to High

Re: [openstack-dev] openstack/requirements and tarball subdirs

2014-07-09 Thread Philipp Marek
. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. ___ OpenStack-dev mailing list OpenStack-dev

[openstack-dev] [cinder][replication-api] Questions about #64026

2014-07-11 Thread Philipp Marek
found. To provide a bit of separation I'll do one question per mail, and each in a subthread of this mail. Thanks for the patience, I'm looking forward to hearing your helpful ideas! Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support

[openstack-dev] [cinder][replication-api] extra_specs too constant

2014-07-11 Thread Philipp Marek
to a few hours. So, should we announce a range of (0,7200)? Ad 1: because Openstack sees by itself which nodes are available. -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered

[openstack-dev] [cinder][replication-api] replication_rpo_range - why two values?

2014-07-11 Thread Philipp Marek
? Because we'd like to revert to an older state? I believe that using snapshots would be more sane for that use case. Or I just don't understand the reason, which is very likely, too. -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting

[openstack-dev] openstack/requirements and tarball subdirs

2014-07-14 Thread Philipp Marek
would this requirement be done for production setups? Should installers read the requirements.txt and install matching distribution packages? Or is that out of scope of OpenStack/Cinder development anyway, and so I can/should ignore that? Regards, Phil -- : Ing. Philipp Marek : LINBIT

[openstack-dev] [Cinder] DRBD integration as volume driver

2014-06-03 Thread Philipp Marek
Hi everybody, at the Juno Design Summit we held a presentation about using DRBD 9 within OpenStack. Here's an overview about the situation; I apologize in advance that the mail got a bit longer, but I think it makes sense to capture all that information in a single piece. WHAT WE HAVE

Re: [openstack-dev] [Cinder] DRBD integration as volume driver

2014-06-10 Thread Philipp Marek
to start the services via pudb) by committing commit 7b6c6685ba3fb40b6ed65d8e3697fa9aac899d85 Author: Philipp Marek philipp.ma...@linbit.com Date: Fri Jun 6 11:48:52 2014 +0200 Make starting cinder services possible with pudb, too. I had that rebased to be on top

Re: [openstack-dev] [Cinder] DRBD integration as volume driver

2014-06-10 Thread Philipp Marek
So, I now tried to push the proof-of-concept driver to Gerrit, and got this: Downloading/unpacking dbus (from -r /home/jenkins/workspace/gate- cinder-pep8/requirements.txt (line 32)) http://pypi.openstack.org/openstack/dbus/ uses an insecure transport scheme (http). Consider using https if

Re: [openstack-dev] [Cinder] DRBD integration as volume driver

2014-06-10 Thread Philipp Marek
Hrmpf, sent too fast again. I guess https://wiki.openstack.org/wiki/Requirements is the link I was looking for. Sorry for the noise. ___ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org

[openstack-dev] [cinder] [nova] Consistency groups?

2014-11-13 Thread Philipp Marek
, opinions, etc. Phil -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. ___ OpenStack-dev mailing

Re: [openstack-dev] [cinder] [nova] Consistency groups?

2014-11-17 Thread Philipp Marek
is in consistency group X data item would be enough, too? Sorry about being so vague; I'm just not familiar enough with all the interdependencies from Cinder to Nova. Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting

Re: [openstack-dev] [nova][cinder][neutron][security] Rootwrap on root-intensive nodes

2015-02-04 Thread Philipp Marek
syntax, instead of simply copying a bad example ;P -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered trademarks of LINBIT, Austria

Re: [openstack-dev] [nova][cinder][neutron][security] Rootwrap on root-intensive nodes

2015-02-04 Thread Philipp Marek
at the rootwrap call site now, can be forgotten in the additional API too. So let's get the current call sites tight, and we're done. (Ha!) -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT

Re: [openstack-dev] [nova][cinder][neutron][security] Rootwrap on root-intensive nodes

2015-02-05 Thread Philipp Marek
more secure. I'm arguing that the rootwrap call sites need to be fixed, ie. they need to proof in some way that the arguments they pass on are sane - that's more or less the same thing that this new library would need to do too. Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way

Re: [openstack-dev] [nova] Request Spec Freeze Exception (DRBD for Nova)

2015-02-16 Thread Philipp Marek
Hi all, Nikola just told me that I need an FFE for the code as well. Here it is: please grant a FFE for https://review.openstack.org/#/c/149244/ which is the code for the spec at https://review.openstack.org/#/c/134153/ Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way

Re: [openstack-dev] [nova] Request Spec Freeze Exception (DRBD for Nova)

2015-02-16 Thread Philipp Marek
sent the Spec Freeze Exception request in January: http://lists.openstack.org/pipermail/openstack-dev/2015-January/054225.html Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD

Re: [openstack-dev] [cinder] qemu-img disk corruption bug to patch or not?

2015-02-19 Thread Philipp Marek
on this? Potentially corrupted images are bad; depending on the affected data it might only be diagnosed some time after installation, so IMO the fix is needed. Only a minor issue: I'd like to see it have a check for the qemu version, and only then kick in. Regards, Phil -- : Ing. Philipp

Re: [openstack-dev] [cinder] qemu-img disk corruption bug to patch or not?

2015-02-20 Thread Philipp Marek
Potentially corrupted images are bad; depending on the affected data it might only be diagnosed some time after installation, so IMO the fix is needed. Sure but there is a (potentially hefty) performance impact. Well, do you want fast or working/consistent images? Only a minor issue:

Re: [openstack-dev] [cinder] [nova] [scheduler] Nova node name passed to Cinder

2015-01-26 Thread Philipp Marek
will be used to access the data. but it's not passed in there: The arguments passed to this functions already include an attached_host value, sadly it's currently given as None... Therefore my question where/when that value is calculated... Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your

Re: [openstack-dev] [cinder] [nova] [scheduler] Nova node name passed to Cinder

2015-01-28 Thread Philipp Marek
-- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ OpenStack Development

[openstack-dev] [cinder] [nova] [scheduler] Nova node name passed to Cinder

2015-01-26 Thread Philipp Marek
, and pointers into the code - and, of course, even more so for full-blown patches on review.openstack.org ;) Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered

[openstack-dev] [nova] Request Spec Freeze Exception (DRBD for Nova)

2015-01-12 Thread Philipp Marek
-- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ OpenStack Development

Re: [openstack-dev] [Nova][Cinder] Questions re progress

2015-03-19 Thread Philipp Marek
.) Of course, if the hypervisor crashes, you'll have to restart the VMs (or create new ones). If you've got any questions, please don't hesitate to ask me (or drbd-user, if you prefer that). Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support

[openstack-dev] [infra] [cinder] CI via infra for the DRBD Cinder driver

2015-02-20 Thread Philipp Marek
. * Apart from the cinder-backend script in devstack (which I'll have to finish first, see eg. package installation), is any other information needed from us? Thank you for your feedback and any help you can offer! Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way to High

Re: [openstack-dev] [nova] Request Spec Freeze Exception (DRBD for Nova)

2015-01-30 Thread Philipp Marek
for whatever reason. Please help us *now* to get the change in. It's only a few lines in a separate driver, so until it gets configured it won't even be noticed! And yes, of course we're planning to do CI for that Nova driver, too. Regards, Phil -- : Ing. Philipp Marek : LINBIT | Your Way

Re: [openstack-dev] [infra] [cinder] CI via infra for the DRBD Cinder driver

2015-06-22 Thread Philipp Marek
-full-drbd-devstack-nv.FAILUREtarget=stats_counts.zuul.pipeline.check.job.check-tempest-dsvm-full-drbd-devstack-nv.SUCCESS -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered

Re: [openstack-dev] [Manila] Ask for help on supportting the 3-rd party CI for HDFS driver

2015-06-12 Thread Philipp Marek
on IRC, this is one of the most important assets Openstack has today! -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered trademarks of LINBIT, Austria

Re: [openstack-dev] [Manila] Ask for help on supportting the 3-rd party CI for HDFS driver

2015-06-10 Thread Philipp Marek
getting skipped... -- : Ing. Philipp Marek : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com : DRBD® and LINBIT® are registered trademarks of LINBIT, Austria

Re: [openstack-dev] [Cinder] A possible solution for HA Active-Active

2015-08-04 Thread Philipp Marek
If we end up using a DLM then we have to detect when the connection to the DLM is lost on a node and stop all ongoing operations to prevent data corruption. It may not be trivial to do, but we will have to do it in any solution we use, even on my last proposal that only uses the DB in

Re: [openstack-dev] [Cinder] A possible solution for HA Active-Active

2015-08-05 Thread Philipp Marek
Well, is it already decided that Pacemaker would be chosen to provide HA in Openstack? There's been a talk Pacemaker: the PID 1 of Openstack IIRC. I know that Pacemaker's been pushed aside in an earlier ML post, but IMO there's already *so much* been done for HA in Pacemaker that Openstack

Re: [openstack-dev] [Cinder] A possible solution for HA Active-Active

2015-08-05 Thread Philipp Marek
[...] Pacemaker is *the* Linux HA Stack. [...] Can you expand on this assertion? It doesn't look to me like it's part of the Linux source tree and I see strong evidence to suggest it's released and distributed completely separately from the kernel. If you read Linux as GNU/Linux or Linux

Re: [openstack-dev] [Cinder] A possible solution for HA Active-Active

2015-08-05 Thread Philipp Marek
[...] Pacemaker is *the* Linux HA Stack. [...] Can you expand on this assertion? It doesn't look to me like it's part of the Linux source tree and I see strong evidence to suggest it's released and distributed completely separately from the kernel. If you read Linux as

Re: [openstack-dev] [Cinder] A possible solution for HA Active-Active

2015-08-05 Thread Philipp Marek
Well, SUSE and Redhat (7) use Pacemaker by default, Debian/Ubuntu have it (along with others)... That gives it quite some market share, wouldn't you think? Yes, I guess the most popular meaning is a good match here. I see, so in the same way that nano is *the* Linux text editor

Re: [openstack-dev] [cinder] LVM snapshot performance issue -- why isn't thin provisioning the default?

2015-09-15 Thread Philipp Marek
> > I'm currently trying to work around an issue where activating LVM > > snapshots created through cinder takes potentially a long time. [[ thick LVM snapshot performance problem ]] > > Given the above, is there any reason why we couldn't make thin > > provisioning the default? > > My intention

[openstack-dev] [ThirdParty][CI] [patch] Status page at http://ci-watch.tintri.com/project

2015-12-21 Thread Philipp Marek
Hi all, I quite like the page at http://ci-watch.tintri.com/project - it gives a very quick overview about the failures one should look into, and which to ignore ;) Please let me state before anything else that I don't know any of the restrictions that may have led into the current design -

[openstack-dev] [Cinder][DRBD] questions about pep8/flake8 etc.

2015-12-21 Thread Philipp Marek
Hi everybody, in the current patch https://review.openstack.org/#/c/259973/1 the test script needs to use a lot of the constant definitions of the backend driver it's using (DRBDmanage). As the DRBDmanage libraries need not be installed on the CI nodes, I'm providing a minimum of upstream

Re: [openstack-dev] [cinder]Do we have project scope for cinder?

2015-11-29 Thread Philipp Marek
Hi Hao Wang, > In fact, there is a reason that I ask this question. Recently I have a > confusion about if cinder should provide the ability of Disaster > Recovery to storage resources, like volume. I mean we have volume > replication v1, but for DR, specially DR between two independent >

Re: [openstack-dev] [cinder][glance]Upload encrypted volumes to images

2015-11-22 Thread Philipp Marek
> About uploading encrypted volumes to image, there are three options: > 1. Glance only keeps non-encrypted images. So when uploading encrypted >volumes to image, cinder de-crypts the data and upload. > 2. Glance maintain encrypted images. Cinder just upload the encrypted >data to image.

Re: [openstack-dev] [nova][cinder] Limits on volume read throughput?

2016-03-02 Thread Philipp Marek
Hi Preston, > The benchmark scripts are in: > > https://github.com/pbannister/openstack-bootstrap in case that might help, here are a few notes and hints about doing benchmarks for the DRDB block device driver: http://blogs.linbit.com/p/897/benchmarking-drbd/ Perhaps there's something

Re: [openstack-dev] [Cinder] [stable] [all] Changing stable policy for drivers

2016-08-08 Thread Philipp Marek
> Ok, to turn the question around, we (the cinder team) have recognised a > definite and strong need to have somewhere for vendors to share patches on > versions of Cinder older than the stable branch policy allows. > > Given this need, what are our options? > > 1. We could do all this outside

Re: [openstack-dev] [Cinder] [stable] [all] Changing stable policy for drivers

2016-08-06 Thread Philipp Marek
> I want to propose > we officially make a change to our stable policy to call out that > drivers bugfixes (NOT new driver features) be allowed at any time. Emphatically +1 from me. With the small addendum that "bugfixes" should include compatibility changes for libraries used. Thanks for

Re: [openstack-dev] [cinder] Cinder with remote LVM proposal

2017-02-01 Thread Philipp Marek
Hi everybody, > > Hi, I'd like to know if it is possible to use openstack-cinder-volume with > > a remote LVM. This could be a new feature proposal if the idea is good. > > More precisely, I'm thinking a solution where openstack-cinder-volume runs > > on a dedicated node and LVM on another node