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> Is this mandatory for kerberos to work</div>
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Neerak, I can try to help you, but if you don't read the e-mail I send, it will be useless.</div>
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>From my latest e-mail:</div>
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>It is mandatory this service is running properly for all the other steps to work.<br>
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>Look at the detailed logs to see why this service is not running. Try running it in verbose mode if needed.</div>
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So, yes, the service is mandatory on server side, and if it is not running, the first thing is the check for its logs. Please do that.</div>
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Aurélien</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>De :</b> Neeraj Gawali <neeraj.gawali@zohocorp.com><br>
<b>Envoyé :</b> lundi 12 août 2024 08:38<br>
<b>À :</b> Aurelien Degremont <adegremont@nvidia.com><br>
<b>Cc :</b> Sushrut Bhokre <sushrut.bs@zohocorp.com>; lustre-discuss <lustre-discuss@lists.lustre.org><br>
<b>Objet :</b> RE: [lustre-discuss] Error while Mounting Lustre client with Kerberos</font>
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<div>Hi,<br>
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<div>We have configured lustre storage with the below command<br>
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<div><span style="color:rgb(0,0,0); font-family:Lato,verdana,arial,sans-serif; font-size:14px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; letter-spacing:0.2px; orphans:2; text-align:left; text-indent:0px; text-transform:none; widows:2; word-spacing:0px; white-space:pre-wrap; background-color:rgb(246,246,246); text-decoration-style:initial; text-decoration-color:initial; display:inline!important; float:none">./configure
--with-zfs --with-o2ib=no --disable-ldiskfs --enable-gss --with-krb5=/usr --enable-crypto=yes</span><br>
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<div>And everything is configured as client also get connected but when we are trying to check the status of lvscgssd it is not starting(sudo systemctl status lsvcgssd).<br>
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<div>Is this mandatory for kerberos to work.</div>
<div><img width="100%" data-outlook-trace="F:1|T:1" src="cid:0.28869241780.4901403562401298583.191454ef948__inline__img__src"><br>
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Regards</div>
<div>Neeraj,</div>
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<div id="x_Zm-_Id_-Sgn1">---- On Thu, 08 Aug 2024 11:06:46 +0530 <b>Neeraj Gawali <neeraj.gawali@zohocorp.com></b> wrote ---<br>
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<div>Hi,<br>
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<div>We actually followed the flow of commands according to the document attached below.<br>
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<div>Can you suggest what may be the changes or chance of error that may not lead to the proper configuration .<br>
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<div id="x_x_669263197Zm-_Id_-Sgn1">---- On Tue, 06 Aug 2024 20:26:32 +0530 <b>Aurelien Degremont <<a target="_blank" href="mailto:adegremont@nvidia.com">adegremont@nvidia.com</a>></b> wrote ---<br>
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>And lsvcgssd.services are not running.<br>
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It is mandatory this service is running properly for all the other steps to work.<br>
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Look at the detailed logs to see why this service is not running. Try running it in verbose mode if needed.<br>
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Did you create and deploy the proper keytabs? Verify the 'klist -k' output is correct on each Lustre servers and lustre client.<br>
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Then:<br>
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<div class="x_x_1497215756elementToProof">Start your lustre servers<br>
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<div class="x_x_1497215756elementToProof">Configure the lustre target gss flavor (some lctl commands)<br>
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<div class="x_x_1497215756elementToProof">Then mount the client.<br>
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See <a href="https://doc.lustre.org/lustre_manual.xhtml#managingSecurity.kerberos" originalsrc="https://doc.lustre.org/lustre_manual.xhtml#managingSecurity.kerberos" shash="ONa78ExesYJIS8asEo+Vi752a52aypnMSO72gNJotg2urGvG7jq19oGVlPl652Tgi2vmS2u7DdNzwmEbPE2zYPLwyHyGnNaO+BkvYaSMurIegjjcrcDl5I0sTcTa68TZQVXdmp0ojpGI2IDrMHYrUvVIfvlmD9e0bQv2wN5Oo1Y=" id="x_x_1497215756LPlnk665277" target="_blank">
https://doc.lustre.org/lustre_manual.xhtml#managingSecurity.kerberos</a><br>
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Aurélien<br>
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<div id="x_x_1497215756divRplyFwdMsg" dir="ltr"><span class="x_colour" style="color:rgb(0,0,0)"><span class="x_font" style="font-family:Calibri,sans-serif"><span class="x_size" style="font-size:11pt"><b>De :</b> Sushrut Bhokre <<a href="mailto:sushrut.bs@zohocorp.com" target="_blank">sushrut.bs@zohocorp.com</a>><br>
<b>Envoyé :</b> mardi 6 août 2024 13:33<br>
<b>À :</b> Aurelien Degremont <<a href="mailto:adegremont@nvidia.com" target="_blank">adegremont@nvidia.com</a>><br>
<b>Cc :</b> lustre-discuss <<a href="mailto:lustre-discuss@lists.lustre.org" target="_blank">lustre-discuss@lists.lustre.org</a>>; Neeraj Gawali <<a href="mailto:neeraj.gawali@zohocorp.com" target="_blank">neeraj.gawali@zohocorp.com</a>><br>
<b>Objet :</b> RE: [lustre-discuss] Error while Mounting Lustre client with Kerberos</span></span></span>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt">Hi,<br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt"><br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt">We are using Lustre 2.15.5 version.<br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt">Our setup is like we want to to use Kerberos With Lustre so we build Lustre from git clone git://<a href="http://git.whamcloud.com/fs/lustre-release.git" originalsrc="http://git.whamcloud.com/fs/lustre-release.git" shash="B9ZZOfJ6o+q7drRR9IVlPOJ6otiEn1go30STBCQJfiv7wKJ/UpntvVhMhXGitNOIllzOEaglV3PvYeaw9Alb4cR+aLn/U6BWouYUFIBwlGPx/mfpb72JxYwOTjU9dFgXq387o2UGCkt/0VP7D5l600STYW7gzU9y1rgryVch73g=" id="x_x_1497215756OWA7b11aa24-5f23-b64c-f29f-1a6fd3e8b3df" class="x_x_1497215756OWAAutoLink" target="_blank">git.whamcloud.com/fs/lustre-release.git</a> using
the following ./configure steup with some flagsbelow is the command.<br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt"><b>./configure --with-zfs --with-o2ib=no --disable-ldiskfs --enable-gss</b><br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt">and Lustre Clint is configured with the following ./configure step below<br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt"><b>./configure --enable-gss --disable-server --enable-client --with-linux=/usr/src/kernels/$(uname -r)</b><br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt">This command because we want Lustre with ZFS and with Kerberos. Can you Please tell are we correct up till now?<br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt"><u>KDC Server:</u><br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt">We have tried to set kdc on a dedicated node and it is functional.<br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt"><img alt="Capture2.JPG" width="976" height="471" style="width:976px; height:471px" data-outlook-trace="F:1|T:1" src="cid:0.28869241780.781903815863743390.1912777632a__inline__img__src"><br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt"><u>Lustre Storage Server:</u><br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt">Replicated same
<b>krb5.conf</b> file from KDC server. but when we are trying to start <br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt">configure it with lustre client but there is a issue in mounting of lustre with kerberos (attached below).<br>
And lsvcgssd.services are not running.<br>
<img alt="Capture1.JPG" width="769" height="190" style="width:769px; height:190px" data-outlook-trace="F:1|T:1" src="cid:1.28869241780.8630509482296441667.1912777632a__inline__img__src"></div>
<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt"><br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt">Same goes for client too and we are also not able to mount with kerberos. (Can you also tell is our mount step is correct or not)<br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt"><b>mount -t lustre -o mgsnode=192.168.10.25@tcp,flock,krb5i lustre:/mnt/lustre /mnt/lustre</b><br>
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<div style="font-family:Verdana,Arial,Helvetica,sans-serif; font-size:10pt">Regards,<br>
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<div>Sushrut Bhokre<br>
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<div id="x_x_Zm-_Id_-Sgn1">---- On Tue, 06 Aug 2024 13:08:51 +0530 <b>Aurelien Degremont <<a href="mailto:adegremont@nvidia.com" target="_blank">adegremont@nvidia.com</a>></b> wrote ---<br>
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Hi<br>
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In order to help you, it would be great if you give way more detail of your current setup. What is your configuration, component versions, what is your Lustre error message, etc...<br>
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How does your ticket look like?<br>
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Additionally, there were lots of improvements in Lustre Kerberos support during 2.16 cycle and I would recommend targeting that version (not released yet) for a production deployment. However, testing should still be doable with 2.15. <br>
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Aurélien<br>
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<div style="font-family:Calibri,sans-serif; color:rgb(0,0,0)"><b>De :</b> lustre-discuss <<a href="mailto:lustre-discuss-bounces@lists.lustre.org" id="x_x_1497215756OWA99691180-5e6b-5aac-1542-cc75edd506ff" class="x_x_1497215756OWAAutoLink" target="_blank">lustre-discuss-bounces@lists.lustre.org</a>>
de la part de Neeraj Gawali via lustre-discuss <<a href="mailto:lustre-discuss@lists.lustre.org" id="x_x_1497215756OWA6706de8b-4c41-49b2-a7ca-bf2eea407211" class="x_x_1497215756OWAAutoLink" target="_blank">lustre-discuss@lists.lustre.org</a>><br>
<b>Envoyé :</b> mardi 6 août 2024 07:26<br>
<b>À :</b> lustre-discuss <<a href="mailto:lustre-discuss@lists.lustre.org" id="x_x_1497215756OWA59f997b6-2775-3f61-e44d-c98d0cd33c90" class="x_x_1497215756OWAAutoLink" target="_blank">lustre-discuss@lists.lustre.org</a>><br>
<b>Cc :</b> Sushrut Bhokre <<a href="mailto:sushrut.bs@zohocorp.com" id="x_x_1497215756OWAcf4cdccd-02e4-174e-1d2c-36a5506e4bb4" class="x_x_1497215756OWAAutoLink" target="_blank">sushrut.bs@zohocorp.com</a>><br>
<b>Objet :</b> [lustre-discuss] Error while Mounting Lustre client with Kerberos</div>
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<span class="x_highlight" style="background-color:rgb(255,255,255)">Hii,</span><br>
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<span class="x_highlight" style="background-color:rgb(255,255,255)">Tried configuring kerberos over lustre(built by gss enabled through gitclone repository) but at last while mounting lustre with kerberos there is a issue of keytab file not found.Can anyone
please look into it for the support if the issue is present.<br>
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Kereberos configuration(<a href="https://wiki.opensfs.org/images/8/8c/Kerberos_setup_guide.pdf" originalsrc="https://wiki.opensfs.org/images/8/8c/Kerberos_setup_guide.pdf" shash="G7bJ2KzE1hsXit6oQ/EMcklqE1lw9/2cnVUd3v743DimEvVUoRjJP5p/I5jerHBOqxa9nxrYUsZ6cClWnayS3cyGxTz6yWCBc/Z+/B/ZOj65bM3mmXmXRPEhxqLJurgT+MYbwKanZlKTokgv2t1QxCD8gPntQBfQ8fXT84qXr0Y=" id="x_x_1497215756OWA81e78f50-5cc8-a6cf-98fc-9ba6e11de171" class="x_x_1497215756OWAAutoLink" target="_blank">https://wiki.opensfs.org/images/8/8c/Kerberos_setup_guide.pdf</a>)</span></div>
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