Tuesday, 2016-10-11

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-openstackstatus- NOTICE: Jobs running on osic nodes are failing due to network issues with the mirror. We are temporarily disabling the cloud.02:48
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vponomaryovbswartz, dencaval: 3.15 is top microversion of Cinder v3 API.08:01
vponomaryovdencaval: looks like your endpoints are messed up08:02
vponomaryovdencaval: if you really used manilaclient, then it meant it talked to Cinder server08:03
vponomaryovs/meant/means/08:03
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openstackgerritValeriy Ponomaryov proposed openstack/manila: [ZFSonLinux] Run scenario tests in addition to functional  https://review.openstack.org/37458109:40
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openstackgerritMaksym Yatsenko proposed openstack/puppet-manila: Change worker defaults to ::os_workers  https://review.openstack.org/38462010:21
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openstackgerritValeriy Ponomaryov proposed openstack/manila: Enable scenario tests in first-party drivers jobs  https://review.openstack.org/37458110:46
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openstackgerritMerged openstack/manila: Enable release notes translation  https://review.openstack.org/38323111:51
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rrajamkoderer: hi! does the goal stated here https://etherpad.openstack.org/p/manila_no_tempest_deps require any clarification? as in, you want to remove dependencies only on the unstable tempest interfaces, right?12:53
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dmelladorraja that's basically it14:07
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openstackgerritValeriy Ponomaryov proposed openstack/manila: Enable scenario tests for LVM and ZFSonLinux drivers  https://review.openstack.org/37458114:58
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openstackgerritValeriy Ponomaryov proposed openstack/manila: Enable scenario tests for LVM and ZFSonLinux drivers  https://review.openstack.org/37458115:08
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tinwoodHi, is there anyone around I can talk to about networking, the generic driver, plugins and manila?  A bit confused over what to configure.  Thanks.16:22
tinwoodAs background, I work for Canonical and I'm charming up the Manila service.16:23
openstackgerritMerged openstack/manila: Avoid Forcing the Translation of Translatable Variables  https://review.openstack.org/37844616:24
bswartztinwood: there's a lot of config options and different sections16:34
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bswartztinwood: I'm not sure what charms look like but they if they're at all similar to puppet modules it probably won't be that hard to make them for manila16:35
tinwoodbswartz, yes.  But it's all quite confusing (to me) at the moment.  I'm trying to configure the generic driver; in this situation do I definitely need a network plugin?  And will it configure OVS to join to the instance-server (that I assume) will be launched in the tenant's network -- or will I need to do something else?16:36
bswartzoh you're talking about testing16:38
bswartzno the generic driver doesn't use a network plugin16:39
bswartzit is an exception to the rule because is handles networking itself16:39
tinwoodbswartz, oh; is the generic driver not for general usage at all?16:40
bswartztinwood: it is, but it's special because it uses nova, and is limited to whatever kind of networking nova is configured with16:40
tinwoodbswartz, ah - I'd missed that.16:41
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bswartzthe network plugins are intended to give flexibility to administrators using drivers that support share servers16:41
bswartzwe support deployment scenarios with nova neutron and without nova and neutron (and at one time we also supported nova-network)16:41
tinwoodbswartz, so hypothetically, say take the gluster driver?  Would that use the the network plugins?  (still trying to get a handle on this).16:42
tinwoodbswartz, so the error I ran into was to do with the generic driver looking for br-int which wasn't/isn't configured on the manila instance that I was configuring -- which is why I ended up here! :)16:43
bswartzIn manila there are broadly two classes of drivers -- drivers that support share servers and drivers that don't16:43
bswartzsome drivers allow you to choose either mode16:43
bswartznetwork plugins only matter when you're using share servers16:43
bswartzglusterfs IIRC is one that doesn't support share servers and therefore wouldn't use a network plugin16:43
tinwoodand a share server is say, a NetApp appliance?16:43
bswartzunfortunately no -- the term may be confusing16:44
bswartza share server is a virtual server created by manila for a single tenant16:44
tinwoodah, as a CIFS or NFS server?16:44
bswartzall drivers require some sort of storage infrastructure, whether hardware or software16:44
bswartzbut share servers are virtual instances created for different tenants, and not all drivers are able to create those16:45
bswartzthat's why we separate the two types of drivers16:45
bswartzthe main advantage to no-share-servers is that it's way easier to configure because there's no networking to deal with16:46
tinwoodwith the 'driver_handles_share_servers' option.16:46
bswartzyes16:46
tinwoodand what does 'connect_share_server_to_tenant_network' imply? -- doing something in neutron from a network driver?16:47
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tinwoodOkay, that's great.  just coming back to the generic driver? What does it expect to be set up on the machine that the manila-share service runs on?16:48
tinwoodIn terms of networking.16:48
bswartzyes for the some cases, manila is responsible for connecting the share server it creates to the tenants network, and the network plugin is part of that16:49
bswartzthe generic driver has 2 special restrictions -- it doesn't use a network plugin because it uses neutron always -- and you must run the manila-share service with the generic driver on a machine with a neutron l3 agent16:50
bswartztinwood: if you're interested in getting a simple environment up and running quickly, you will have faster success with the LVM driver16:51
bswartzthe generic driver is fully supported, it's just more work to configure16:51
tinwoodbswartz, right: so it needs the l3 agent on the machine.  I'll take a peek at the LVM, but I'm so close with the generic driver that it would be a shame to abandon it now!16:52
bswartzk16:53
tinwoodbswartz, what's your team's recommendation around the generic driver?  e.g. what we'd really like to use is CephFS; how do you feel about that.16:53
tinwood(I worked with the generic driver as it looked like a "doesn't require other systems", so was a sensible default).16:53
bswartzcephfs is relatively new, and IIRC only supports the ceph protocol at this time (not NFS)16:54
bswartzone of you redhat guys correct me if I'm wrong about that16:55
bswartzThere are several software drivers that don't require other systems: generic, lvm, container, and zfs16:55
bswartzcontainer is new and I wouldn't recommend it yet16:56
tinwoodbswartz, thanks very much; you've been very helpful.  I'll keep poking at it and let you know how I got on.16:57
tbarrontinwood: currently cephfs driver serves up cephfs shares to compute instances running e.g. ceph-fuse ; nfs from cephfs backend is a future16:57
tinwoodtbarron, yes, I saw that you'd need to 'mount' the cephfs using ceph in the tenant; it seems like this is one for ocata.  Looks very interesting though.16:58
tbarrontinwood: yeah, the tenant/client just needs a little bit of ceph though :)17:02
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bswartzdmellado, mkoderer: are either of you interested in leading a session about tempest/manila at the design summit?17:51
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