Friday, 2017-05-19

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openstackgerritzhongjun proposed openstack/manila-specs master: Fix sphinx version to !=1.6.1,>=1.5.1  https://review.openstack.org/46543601:22
openstackgerritMerged openstack/manila master: Updated from global requirements  https://review.openstack.org/46526101:32
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openstackgerritMerged openstack/manila master: Add a releasenote for tooz heartbeat  https://review.openstack.org/46593802:32
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openstackgerritJohnnyChou proposed openstack/manila master: Add Infortrend Manila Driver  https://review.openstack.org/46584603:17
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openstackgerritJohnnyChou proposed openstack/manila master: Add Infortrend Manila Driver  https://review.openstack.org/46584607:38
jprovaznzhongjun, hi, are you around?07:59
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zhongjunjprovazn: hi08:01
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jprovaznzhongjun, in https://review.openstack.org/#/c/464205/4 I think closes-bug is correct: it's this patch which closes the bug08:05
zhongjunjprovazn: oh, I am little confuse about why he separate it to two patch.08:07
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jprovaznzhongjun, the second patch enhances retry method itself, I think both ways (1 vs 2 patches) is ok08:11
zhongjunjprovazn:  This(https://review.openstack.org/#/c/465584/) could be a part of  1690159 bug patch.08:11
jprovaznzhongjun, yes, it would be nice to reference the bug (partial-bug or related-bug), Thomas will probably have to resend it anyway becaue of your second comment, so it would be nice if he adds it08:13
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zhongjunjprovazn: yes, it would be nice if he adds it and I have not a very strong idea about closes-bug tag.08:14
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openstackgerritJohnnyChou proposed openstack/manila master: Add Infortrend Manila Driver  https://review.openstack.org/46584609:34
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openstackgerritThomas Bechtold proposed openstack/manila master: Allow endless retry loops in the utility function  https://review.openstack.org/46558410:00
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openstackgerritValeriy Ponomaryov proposed openstack/manila-ui master: Refactor admin dashboard  https://review.openstack.org/46471610:38
openstackgerritValeriy Ponomaryov proposed openstack/manila-ui master: Refactor project dashboard  https://review.openstack.org/46512710:38
openstackgerritMerged openstack/manila-ui master: Updated from global requirements  https://review.openstack.org/46526310:46
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tbarronMVenesio: reading backlog here I saw your question yesterday regarding Ceph for manila and ganesha.13:35
tbarronMVenesio: FYI there is ongoing work to put ganesha NFS frontend on the current manila CephFS driver13:35
tbarronMVenesio: and the goal is to merge in Pike13:35
tbarronMVenesio: and provide a workable fully open source driver13:35
tbarronMVenesio: note that at this stage it will be a DHSS=False driver still13:35
tbarronMVenesio: the outstanding reviews if you are interested:13:35
tbarronMVenesio: https://review.openstack.org/#/c/424598/13:35
tbarronMVenesio: https://review.openstack.org/#/c/424605/13:35
tbarronMVenesio: the functional code in these reviews is pretty much done; mostly what they need before they can merge is unit test adjustments and coverage13:35
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MVenesiotbarron: thanks so much for the info, i'll check it end i'll try to test it20:19
tbarronMVenesio: I'm on PTO through the end of next week and won't be on IRC much till then, but I'll be interested20:20
tbarronMVenesio: is how your experiments with generic driver go as well20:20
tbarronMVenesio: eventually we'll likely work on DHSS=True for cephfs with ganesha20:20
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tbarronMVenesio: I'm not convinced that there's a pressing need for it right away and we need to get the DHSS=False down really well first20:21
tbarronproduction qualiity20:21
MVenesiotbarron: so preparing ganesha on vms images and enabling nfs ganesha active/active for the generic driver ?20:21
tbarronDHSS=True brings in (1) fragile networking stuff that bswartz told you about20:21
tbarron(2) SPoF in data path20:21
tbarron#2 is a big deal for me as I have a distro to support20:22
tbarronboth problems are probably solvable, and I have recently agreed to start looking  at them in the context of generic driver too20:23
tbarronbasically, if and when we do dhss=True for cephfs+ganesha -> nfs then we'll have to cross those bridges anyways20:23
tbarronMVenesio: no support currently for ganesha HA; first step would be ganesha active/passive; then active/active20:24
MVenesiotbarron: sounds great20:24
tbarronganesha team has done ganesha active/passive outside manila context with gluster; they are looking at doing something similar for cephfs20:24
tbarronthey need to enable shared state between the ganesha instances (likely using cephfs as a "vault" for the exports and other state)20:25
tbarronthen we would somehow need to get a VIP from the ganesha instances exposed in neutron as "the" IP for export locations.20:26
tbarronMVenesio: this is all TBD; for Pike (and maybe even Queens) it's just expose CephFS as NFS with DHSS=False20:27
MVenesiotbarron: Yes i know the gluster stuff, but you know, having two big distribute storages to maintain is not a good deal for medium companies, even in big companies are asking us to solve everything with ceph20:27
tbarronMVenesio: that's still a win over native CephFS driver because user VMs no longer have access to the CephFS public network20:27
tbarronMVenesio: so infra is safer from malicious/inept tenants20:28
tbarronMVenesio: and nowadays default neutron security rules and default anti-arp spoofing is enough for many "semi-public" private clouds20:28
tbarronMVenesio: i.e. for private clouds that give tenants their own private nets but expect a fair amount of interaction within the cloud over floating IPs20:29
tbarronMVenesio: yeah, my team isn't doing any active work to develop glusterfs for manila any further for just the reasons you cite20:30
MVenesiotbarron: yes but what about Cephfs and Windows  ?20:30
tbarronMVenesio: it reportedly can be made to work (i.e., people have done it)20:31
tbarronMVenesio: I don't know anyone working on that for manila and my team certainly is not. But this is all Open Source.20:31
tbarronMVenesio: There can be lots of parallel efforts; if you need it, just do it :D  (or if you are a customer of a distro you can lobby them to do it for you)20:32
MVenesiotbarron: i read about it , i think is still immature, but could work in the future20:32
tbarronMVenesio: the samba folks I've been in touch with aren't working on this actively now20:33
tbarronMVenesio: but think it "should" work20:33
MVenesiotbarron: Yes, first of all, i'll test the generic driver with Cinder, i think its a good approach20:34
MVenesiotbarron: then i'll be looking for some other options, cephFS can be a really good one, and ganesha also20:35
tbarronMVenesio: be interested in how all that goes.  Good luck!20:35
MVenesiotbarron: i'll let you know for sure20:35
tbarronMVenesio: thanks20:35
* tbarron returns to his regularly scheduled vacation ...20:36
MVenesiotbarron: thanks you20:36
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openstackgerritGoutham Pacha Ravi proposed openstack/manila-specs master: Fix sphinx version to !=1.6.1,>=1.5.1  https://review.openstack.org/46543621:34
gouthamr^ anyone like to approve and unblock zhongjun/gate?21:36
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