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| openstackgerrit | pengyuesheng proposed openstack/manila master: Use openstack-python3-train-jobs for python3 test runtime https://review.opendev.org/669018 | 03:41 |
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| openstackgerrit | Elod Illes proposed openstack/manila stable/pike: [CI] Add bindep.txt https://review.opendev.org/670474 | 08:31 |
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| openstackgerrit | KuiRong proposed openstack/manila master: Add Infortrend Manila Driver https://review.opendev.org/657775 | 08:55 |
| openstackgerrit | Elod Illes proposed openstack/manila stable/ocata: [CI] Add bindep.txt https://review.opendev.org/670477 | 08:57 |
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| openstackgerrit | Tom Barron proposed openstack/manila master: WIP - add IPv6 support for CephFS/NFS back end https://review.opendev.org/670510 | 12:04 |
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| h3rbz | Hi! I'm researching how to provide a CephFS share to instances. I have 1 single CephFS that I want to use within a single OpenStack project. From what I can gather from docs, Manila doen nog realy do much in the way of making the share available for mounting, natively, over the Ceph public network. As an admin, I need to setup this connectivity myself. Am I understnading this correctly? | 13:32 |
| h3rbz | If so, might I be better off not using manila in this setup, since it only needds one share and none of the operation management in OpenStack? | 13:33 |
| h3rbz | thx! | 13:33 |
| tbarron | h3rbz: as admin you'll need to expose the ceph public network to the clients that do the mounting, yes. | 13:33 |
| h3rbz | to clarify, I won;t be creating any more shares through openstack services | 13:34 |
| h3rbz | thx tbarron! any setup examples for an environment where I have MDSs on, say, 10.3.0.11-13 and need instances on private self-service networks to get to those interfaces? | 13:35 |
| tbarron | h3rbz: the main advantage of manila would be for (1) multiple storage back ends, e.g. if you were doing both cephfs native and cephfs via nfs | 13:35 |
| h3rbz | ok cool | 13:35 |
| tbarron | and (2) for multi-tenancy -- where you want separate storage for different OpenStack tenants | 13:35 |
| h3rbz | this would be more of a setup once and manage through ceph itself | 13:35 |
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| h3rbz | no other back ends | 13:36 |
| tbarron | w.r.t. #2 the separate storage can be carved out of the same cephfs, so it's not really separate from a storage admin point of view | 13:36 |
| h3rbz | aha ok | 13:37 |
| tbarron | but different tenants can provision their own storage separately from one another and it seems to them as if they have their own storage, they can't get into the other tenant's storage, etc. | 13:37 |
| tbarron | h3rbz: so in your case there may not be much gain from manila -- single share, no other back ends, single openstack tenant consuming the share | 13:38 |
| h3rbz | yes, I understand thx | 13:38 |
| tbarron | on the last what I mean is even though multiple instances they are part of the same keystone project, etc. | 13:38 |
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| tbarron | h3rbz: w.r.t. private-self-service networks for your instances you can either | 13:39 |
| tbarron | a) route to and from the ceph public network -- either NAT or automate the return routes | 13:40 |
| tbarron | b) put two nics on your instance VMs and attach the second directly to the ceph public net | 13:40 |
| tbarron | first nic connects to the private network as normal | 13:41 |
| h3rbz | so, would that by analgous to how a shared provider network is created? Where I would choose the interface as the one that has the ceph public nework on it? | 13:42 |
| h3rbz | physical interface, i mean | 13:42 |
| h3rbz | and openstack would bridge that across compute nodes etc? | 13:43 |
| h3rbz | sry is i;m not making sense :P | 13:44 |
| h3rbz | *if | 13:44 |
| h3rbz | might there be some conceptual examples available for these two options that you can point me to? | 13:50 |
| h3rbz | thx a buch, btw | 13:50 |
| h3rbz | I think I fail to understand how to 'attach the second directly to the ceph public net' | 13:57 |
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| tbarron | h3rbz: it's really a deployment topology issue, not something that manila handles but | 14:12 |
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| tbarron | h3rbz: when we deploy downstream (i work for redhat) we use separate networks (which can be vlans) for | 14:13 |
| tbarron | ceph replication network, ceph public network, external api network for openstack, tenant network (over which private neutron nets are tunnelled), etc. | 14:14 |
| h3rbz | in my environment, I have an isolated networks with redundant switches. One for ceph cluster, one for ceph public, one for external/internet access | 14:15 |
| tbarron | ceph public network is a data center vlan | 14:15 |
| h3rbz | no vlans, since everything is physically isolated | 14:15 |
| h3rbz | openstack services are on the ceph public network too | 14:15 |
| tbarron | so yeah, we'd run it to all compute nodes and then map it as a neutron provider net | 14:16 |
| tbarron | h3rbz: so i think you'd want to connect compute nodes to your ceph public network | 14:16 |
| tbarron | and then make it a neutron provider network | 14:16 |
| h3rbz | so the first step would be to create a new provider network for ceph storage for Vms to connect to | 14:17 |
| tbarron | h3rbz: that's what I'd try to do, I think it will work but I'm not a networking xpert | 14:17 |
| h3rbz | I think I see some references to that strategy here: https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/8/html/networking_guide/sec-connect-instance | 14:18 |
| h3rbz | There this thing I;m not sure how to go about: | 14:19 |
| h3rbz | # grep -rni bond-inet * | 14:19 |
| h3rbz | plugins/ml2/linuxbridge_agent.ini:4:physical_interface_mappings = provider:bond-inet | 14:19 |
| h3rbz | do I need another of these mappings? | 14:19 |
| h3rbz | that is setup for internet access | 14:20 |
| h3rbz | that goes with 'plugins/ml2/ml2_conf.ini:9:flat_networks = provider'.. do I need to do that somehow again for the ceph public network? | 14:21 |
| h3rbz | please let me know if I need to be elsewhere to ask this | 14:22 |
| h3rbz | that link I gave uses 'flat_networks = *' | 14:23 |
| h3rbz | that makes me unsure where I would hint the interface to use for the network (bond-cephpub). | 14:24 |
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| h3rbz | thx very much anyway for now. you got me on the right track, I think, and regained me some confidence :P nearing the end of this friday and bottles of beer being distributed around the office :) | 14:30 |
| h3rbz | chances of getting something done now are slimminig. Have a good weekend all! | 14:32 |
| tbarron | h3rbz: enjoy the beer, I haven't myself connected instances to flat net but that seems on the right track | 14:36 |
| h3rbz | cool cool. I'll hop over to #openstack-neutron later and get things going again | 14:37 |
| h3rbz | hmm.. I just now realise all these config options are in plural form.. that may mean I just have to comma-seperate 2 definitions. right.. cya :) | 14:38 |
| h3rbz | the docs will have more | 14:39 |
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| h3rbz | ha! I got it to work. Was not any more to do than above, basicly. I can now ping my MONs etc. thx a lot! | 15:28 |
| h3rbz | put `physical_interface_mappings = provider:bond-inet,cephpublic:bond-cephpub' in linuxbridge config and created networks | 15:30 |
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| openstackgerrit | Tom Barron proposed openstack/manila master: WIP - add IPv6 support for CephFS/NFS back end https://review.opendev.org/670510 | 15:40 |
| tbarron | h3rbz: congrats, and have another beer on me! | 15:50 |
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| h3rbz | tbarron: thx m8! | 15:54 |
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| openstackgerrit | Merged openstack/manila stable/stein: Unmount NetApp active share after replica promote https://review.opendev.org/669756 | 18:19 |
| openstackgerrit | Merged openstack/manila stable/stein: Check NetApp SnapRestore license for pools https://review.opendev.org/669759 | 18:32 |
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| openstackgerrit | Tom Barron proposed openstack/manila master: WIP - add IPv6 support for CephFS/NFS back end https://review.opendev.org/670510 | 18:48 |
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| openstackgerrit | Goutham Pacha Ravi proposed openstack/manila stable/pike: [CI] Add bindep.txt https://review.opendev.org/670474 | 21:15 |
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| openstackgerrit | Merged openstack/manila stable/ocata: [CI] Add bindep.txt https://review.opendev.org/670477 | 22:30 |
| openstackgerrit | Tom Barron proposed openstack/manila master: WIP - add IPv6 support for CephFS/NFS back end https://review.opendev.org/670510 | 22:47 |
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