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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Deepak,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><a name="_MailEndCompose"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">When you say VM, its confusing, whether you are referring to service VM or<o:p></o:p></span></a></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">tenant VM. Since you are also saying share-server, I presume you mean<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">service VM!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">IIUC each share-server VM (also called service VM) is serving all VMs<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">created by a tenant. In other words, generic driver creates 1 service VM<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">per tenant, and hence serves all the VMs (tenant VMs) created by that tenant<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">Manila experts on the list can correct me if I am wrong here. Generic<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">driver creates service VM (if not already present for that tenant) as part<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">of creating a new share and connect the tenant network to the service VM<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">network via neutron router (creates ports on the router which helps connect<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">the 2 different subnets), thus the tenant VMs can ping/access the service<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">VM. There is no question and/or need to have 2 service VMs talk to each<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">other, because they are serving different tenants, thus they need to be<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">isolated!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Sorry for the bad </span><span class="opdict3font24"><span lang="EN-US" style="font-family:宋体">expression, yes, I mean service VM.<o:p></o:p></span></span></p>
<p class="MsoNormal"><span class="opdict3font24"><span lang="EN-US" style="font-family:宋体"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span class="opdict3font24"><span lang="EN-US" style="font-family:宋体">I don</span></span><span class="opdict3font24"><span style="font-family:宋体">’<span lang="EN-US">t agree with
</span>“</span></span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">each share-server VM (also called service VM) is serving all VMs created by a tenant</span><span class="opdict3font24"><span style="font-family:宋体">”<span lang="EN-US">.<o:p></o:p></span></span></span></p>
<p class="MsoNormal"><span lang="EN-US">Because from my practices , 1 service VM is created for 1 share-network.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">A share-network -> A service VM -> shares which are created with the same
</span>“<span lang="EN-US">share-network</span>”<span lang="EN-US">.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">A tenant(the tenant concept in keystone) can has more than one share-networks, even a same neutron network & subnet can be
</span>“<span lang="EN-US">registered</span>”<span lang="EN-US"> to several share-networks if user do want to do that.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Actually, I didn</span>’<span lang="EN-US">t see strong connections between manila shares and tenant (the concept in keystone), but this is other topics then.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">But, I think I get your point about service VMs need to be isolated.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I agree with that.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">Typically GlusterFS will be deployed on storage nodes (by storage admin)<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">that are NOT part of openstack. So having the share-server talk/connect<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">with GlusterFS is equivalent to saying "Allow openstack VM to talk with<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">non-openstack nodes", in other words "Connect the neutron network to<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">non-neutron network (also called provider/host network)".<o:p></o:p></span></pre>
<pre><span lang="EN-US"><o:p> </o:p></span></pre>
<pre><span lang="EN-US"><o:p> </o:p></span></pre>
<p class="MsoNormal"><span lang="EN-US">This is the part I disagree.<o:p></o:p></span></p>
<pre><span lang="EN-US"><o:p> </o:p></span></pre>
<pre><span lang="EN-US"><o:p> </o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">This is achieved by ensuring your openstack Network node is configured to<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">forward tenant traffic to provider network, which involves neutron skills<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">and some neutron black magic :)<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">To know what this involves, pls see section "Setup devstack networking to<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">allow Nova VMs access external/provider network" in my blog @<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><a href="http://dcshetty.blogspot.in/2015/01/using-glusterfs-native-driver-in.html"><span lang="EN-US">http://dcshetty.blogspot.in/2015/01/using-glusterfs-native-driver-in.html</span></a><span lang="EN-US"><o:p></o:p></span></pre>
<pre><span lang="EN-US"><o:p> </o:p></span></pre>
<pre><span lang="EN-US"><o:p> </o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">This should be taken care by your openstack network admin who should<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">configure the openstack network node to allow this to happen, this isn't a<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">Manila / GlusterFS driver responsibility, rather its an openstack<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">deployment option thats taken care by the network admins during openstack<o:p></o:p></span></pre>
<pre style="margin-left:21.0pt;text-indent:-21.0pt;mso-list:l3 level1 lfo4"><![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">Ø<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]><span lang="EN-US">deployment.<o:p></o:p></span></pre>
<pre><span lang="EN-US"><o:p> </o:p></span></pre>
<pre><span lang="EN-US"><o:p> </o:p></span></pre>
<pre><span lang="EN-US"><o:p> </o:p></span></pre>
<p class="MsoNormal"><span lang="EN-US">What I want to do is enable GluserFS with Manila with Ganesha in my environment.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I</span>’<span lang="EN-US">m working as a cloud admin.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So, what I expecting is,<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">I need to prepare a GlusterFS cluster<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">I need to prepare images and other stuff for service VM<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">I need to configure my GluserFS cluster’s information (IPs, volumes) into manila.conf<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l2 level1 lfo8">
<![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">ð<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">All things can work if I start Manila now, Yeah !<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The only thing I know is manila would create VMs to connect to my GlusterFS cluster.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Currently, the neutron network & subnet where service VMs work is created by Manila.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Manila called them service_network & service_subnet.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So, I don</span>’<span lang="EN-US">t think it is possible for me to configure the network before I create shares.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Another problem is there is no router I can used to let service_network connected to GlusterFS cluster.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Because service_subnet are already connected to user</span>’<span lang="EN-US">s router ( if connect_share_server_to_tenant_network = False)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">-chen<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> Deepak Shetty [mailto:dpkshetty@gmail.com]
<br>
<b>Sent:</b> Thursday, February 12, 2015 1:24 PM<br>
<b>To:</b> Li, Chen<br>
<b>Subject:</b> Fwd: [openstack-dev] [Manila]Question about gateway-mediated-with-ganesha<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Li Chen,<o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US"> Fwdign it to you , since u didn't recieve the below mail to your outlook. Hope you get this one!<br>
While responding pls Cc the openstack-dev list, so that the discussion can continue on the public list<br>
<br>
thanx,<br>
deepak<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US">---------- Forwarded message ----------<br>
From: <b>Deepak Shetty</b> <<a href="mailto:dpkshetty@gmail.com">dpkshetty@gmail.com</a>><br>
Date: Wed, Feb 11, 2015 at 2:31 PM<br>
Subject: Re: [openstack-dev] [Manila]Question about gateway-mediated-with-ganesha<br>
To: "OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br>
<br>
<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">On Tue, Feb 10, 2015 at 1:51 AM, Li, Chen <<a href="mailto:chen.li@intel.com" target="_blank">chen.li@intel.com</a>> wrote:<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif"">Hi list,</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif""> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif"">I’m trying to understand how manila use NFS-Ganesha, and hope to figure out what I need to do to use it if all patches
been merged (only one patch is under reviewing, right ?).</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif""> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif"">I have read:</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"><a href="https://wiki.openstack.org/wiki/Manila/Networking/Gateway_mediated" target="_blank">https://wiki.openstack.org/wiki/Manila/Networking/Gateway_mediated</a><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"><a href="https://blueprints.launchpad.net/manila/+spec/gateway-mediated-with-ganesha" target="_blank">https://blueprints.launchpad.net/manila/+spec/gateway-mediated-with-ganesha</a><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif"">From documents, it is said, within Ganesha, multi-tenancy would be supported:</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-US" style="font-family:"Times New Roman","serif"">And later the Ganesha core would be extended to use the infrastructure used by generic driver to provide network
separated multi-tenancy. The core would manage Ganesha service running in the service VMs, and the VMs themselves that reside in share networks.</span></b><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-US" style="font-family:"Times New Roman","serif""> </span></b><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-left:18.0pt"><span lang="EN-US" style="font-family:Wingdings">ð</span><span lang="EN-US" style="font-size:7.0pt;font-family:"Times New Roman","serif"">
</span><span lang="EN-US" style="font-family:"Times New Roman","serif"">it is said :
<b>extended to use the infrastructure used by generic driver to provide network separated multi-tenancy</b></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif"">So, when user create a share, a VM (share-server) would be created to run Ganesha-server.</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-left:18.0pt"><span lang="EN-US" style="font-family:Wingdings">ð</span><span lang="EN-US" style="font-size:7.0pt;font-family:"Times New Roman","serif"">
</span><span lang="EN-US" style="font-family:"Times New Roman","serif"">I assume this VM should connect the 2 networks : user’s share-network and the network where Glusterfs cluster is running.</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif""> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif"">But, in generic driver, it create a manila service network at beginning.</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif"">When user create a share, a “subnet” would be created in manila service network corresponding to each user’s “share-network”:<b>
</b></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif"">This means every VM(share-server) generic driver has created are living in different subnets, they’re not able to
connect to each other.</span><span lang="EN-US"><o:p></o:p></span></p>
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</blockquote>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
</div>
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<p class="MsoNormal"><span lang="EN-US">When you say VM, its confusing, whether you are referring to service VM or tenant VM. Since you are also saying share-server, I presume you mean service VM!<br>
<br>
IIUC each share-server VM (also called service VM) is serving all VMs created by a tenant. In other words, generic driver creates 1 service VM per tenant, and hence serves all the VMs (tenant VMs) created by that tenant<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US">Manila experts on the list can correct me if I am wrong here. Generic driver creates service VM (if not already present for that tenant) as part of creating a new share and connect the tenant
network to the service VM network via neutron router (creates ports on the router which helps connect the 2 different subnets), thus the tenant VMs can ping/access the service VM. There is no question and/or need to have 2 service VMs talk to each other, because
they are serving different tenants, thus they need to be isolated!<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif""> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif"">If my understanding here is correct, the VMs that running Ganesha are living the different subnets too.</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-left:18.0pt"><span lang="EN-US" style="font-family:Wingdings">ð</span><span lang="EN-US" style="font-size:7.0pt;font-family:"Times New Roman","serif"">
</span><span lang="EN-US" style="font-family:"Times New Roman","serif"">Here is my question:</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-family:"Times New Roman","serif"">How VMs(share-servers) running Ganesha be able to connect to the single Glusterfs cluster ?</span><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
</div>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Typically GlusterFS will be deployed on storage nodes (by storage admin) that are NOT part of openstack. So having the share-server talk/connect with GlusterFS is equivalent to saying "Allow openstack VM to talk with
non-openstack nodes", in other words "Connect the neutron network to non-neutron network (also called provider/host network)".
<br>
<br>
This is achieved by ensuring your openstack Network node is configured to forward tenant traffic to provider network, which involves neutron skills and some neutron black magic :)<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US">To know what this involves, pls see section "Setup devstack networking to allow Nova VMs access external/provider network" in my blog @
<a href="http://dcshetty.blogspot.in/2015/01/using-glusterfs-native-driver-in.html" target="_blank">
http://dcshetty.blogspot.in/2015/01/using-glusterfs-native-driver-in.html</a><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US">This should be taken care by your openstack network admin who should configure the openstack network node to allow this to happen, this isn't a Manila / GlusterFS driver responsibility, rather
its an openstack deployment option thats taken care by the network admins during openstack deployment.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span lang="EN-US">Disclaimer: I am not neutron expert, so feel free to correct/update me</span></b><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">HTH, <br>
<br>
thanx,<br>
deepak<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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