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Is it possible to add modules to qlustar linux kernel?
by pierre-yves.boelle＠upmc.fr 20 Dec '22

20 Dec '22

Hi all, I'm trying to set up Qlustar 12.0 with ubuntu focal on a HP machine equiped with a smart array controller P816i-a. The problem is that the smart array is not recognized after install: I can see it with lspci, but the disks are not listed in /dev. As far as I understand, this is a driver issue : the smartpqi module is required for this smart array. This module is available from "linux-modules-extra" in ubuntu focal 20.04, but this package is not part of the qlustar distribution. So questions : 1 - Is there a way I can simply add a required module (for example .ko file) in the qlustar kernel and simply recompile the qlustar kernel? 2 - failing that, should I expect trouble running qlustar with a "pure ubuntu" kernel ? If I add the focal repository in apt sources and install linux-modules-extra, I can build a new kernel OK, but it is "pure ubuntu" - not qlustar. Is qlustar kernel just a light version of the ubuntu kernel and that's ok? or does qlustar include extra components ? Any input appreciated PYB

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Security/Bug fix releases 12.0.2.0-b556f1460/11.0.1.19-b549f1462
by Qlustar List 20 Dec '22

20 Dec '22

The Qlustar releases 12.0.2.0-b556f1460 and 11.0.1.19-b549f1462 are ready including a number of security/bug fixes and improvements. Please check the following web pages for details about security fixes and special update instructions: https://qlustar.com/qsa/2022/1219221 https://qlustar.com/qsa/2022/1219222 The following non-security related updates/enhancements/bug fixes are included: For 12.0 only: - Update to QluMan 13.0.2 (check the upcoming Qlustar 13 release notes for a description of new features) - Update Nvidia drivers to 515.86.01 - Update to pmix 4.1.2 - Update to slurm 22.05.6 - Update to ucx 1.13.0 - Update to ZFS 2.1.6

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apt, lost in a maze after recent update.
by Gerhard W. Recher 21 Nov '22

21 Nov '22

Hi Qlustar fellows! I recently installed update to qlustar 12, but got a problem with nvidia stuff.... i have no idea how to clean up this mess... help is apprechiated ! apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt --fix-broken install' to correct these. The following packages have unmet dependencies: libucx0 : Depends: libcudart11 (>= 11.7.1-ql.1) but it is not installed E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution). 100 root@biocrunch2 ~ # apt --fix-broken install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages were automatically installed and are no longer required: libcudart11.0 linux-image-5.4.134-ql-generic-12.0-10 zfs-modules-5.4.134-ql-generic-12.0-10 Use 'apt autoremove' to remove them. The following additional packages will be installed: libcudart11 The following NEW packages will be installed: libcudart11 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. 103 not fully installed or removed. Need to get 0 B/168 kB of archives. After this operation, 800 kB of additional disk space will be used. Do you want to continue? [Y/n] y (Reading database ... 95268 files and directories currently installed.) Preparing to unpack .../libcudart11_11.7.1-ql.1+12-focal_amd64.deb ... Unpacking libcudart11:amd64 (11.7.1-ql.1+12-focal) ... dpkg: error processing archive /var/cache/apt/archives/libcudart11_11.7.1-ql.1+12-focal_amd64.deb (--unpack): trying to overwrite '/usr/lib/x86_64-linux-gnu/libcudart.so.11.0', which is also in package libcudart11.0:amd64 11.0.3-ql.4+12-focal Errors were encountered while processing: /var/cache/apt/archives/libcudart11_11.7.1-ql.1+12-focal_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) -- Gerhard W. Recher net4sec UG (haftungsbeschränkt) Leitenweg 6 86929 Penzing +49 8191 4283888 +49 171 4802507

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Modifyint timesyncd.conf
by garroyo＠ifimar-conicet.gob.ar 09 Nov '22

09 Nov '22

Hi! I tried to edit /etc/systemd/timesyncd.conf to add fallbackntp but always changes to the default file that only has one line for one server I tried to edit the files in nodes by using the command to edit images: qlustar-image-edit -e Standard-focal /etc/systemd/timesyncd.conf I tried also with chroot-focal Maybe someone could know how to do it, thanks!

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Security/Bug fix releases 12.0.1.1-b548f1445 / 11.0.1.18-b549f1444
by Qlustar List 29 Oct '22

29 Oct '22

The Qlustar releases 12.0.1.1-b548f1445 and 11.0.1.18-b549f1444 are ready including a number of security/bug fixes and improvements. Please check the following web pages for details about security fixes and special update instructions: https://qlustar.com/qsa/2022/1029221 https://qlustar.com/qsa/2022/1029222

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Install Gaussian 16
by yohann.clement＠univ-lyon1.fr 19 Oct '22

19 Oct '22

Hello, I'm trying to install Gaussain 16 on Qlustar. I have some troubles to install it due to some right management. Indeed, Gaussian does not allow the directory on which it is installed to be accessible to others. The director should only be accessible to the owner and a group. I have created a group called gauss with Qluman in which I have added a user for a test. But the created group is not recognized in Chroot-focal. Could you tell me if you alreeady have installed G16 in Qlustar. If so could you kindly send me the procedure. Best,

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Qlustar 12 and openmpi 4.0
by rolandas.naujikas＠mif.vu.lt 03 Oct '22

03 Oct '22

Hi, In my cluster I found problems running some MPI applications (for e.g. via mpi4py) and it is related to defaults in /etc/openmpi/4.0/openmpi-mca-params.conf. When I changed btl to ^openib or to vader,selft,tcp (in case tcp nodes) - it started to work, but in this case it doesn't use UCX anymore. Regards Rolandas

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centos8/AlmaLinux chroot has no repos
by deroshia＠uga.edu 19 Aug '22

19 Aug '22

Hi All, Either with a fresh install of the latest Qlustar or when creating a centos8 chroot in Qluman (or with manage-qlustar-chroot), I see the following errors and no /etc/yum.repos.d directory is created: [Harmless] Failed to find download link for qlustar-12.0-base [Harmless] Failed to find download link for qlustar-12.0-repos Running post-install script /usr/lib/rinse/qlustar-12.0-centos8/post-install.sh: error: /etc/pki/rpm-gpg/RPM-GPG-KEY-AlmaLinux: import read failed(2). error: /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-8: import read failed(2). error: /etc/pki/rpm-gpg/RPM-GPG-KEY-QLUSTAR: import read failed(2). error: /etc/pki/rpm-gpg/RPM-GPG-KEY-OpenHPC-2: import read failed(2). Running dnf makecache Unable to detect release version (use '--releasever' to specify release version) post-install.sh : done. Installation complete. == Done with basic chroot. Starting to add extra packages ... == Unable to detect release version (use '--releasever' to specify release version) Error: There are no enabled repositories in "/etc/yum.repos.d", "/etc/yum/repos.d", "/etc/distro.repos.d". ========= ------- Error ------- ========= manage-qlustar-chroot: Execution in chroot "/srv/apps/chroots/centos8" failed: /usr/bin/yum -y install bash-completion git man ql-hpl-tools redhat-lsb-core singularity telnet unzip zip lmod-defaults-gnu9-openmpi4-ohpc ssmtp ==> Exiting ... Poking around in the repos site, I can see qlustar-12.0-base and qlustar-12.0-repos in an older directory, but not in the AlmaLinux repo directory. If I download and copy those older rpms into the chroot and install them, then re-run the install chroot command with the overwrite option, I can get the chroot to complete without errors: rpm -ivh qlustar-12.0-repos-12.0.0.7-1.ql.el8.noarch.rpm qlustar-12.0-base-12.0.0.7-1.ql.el8.noarch.rpm manage-qlustar-chroot -v -a create -A 'amd64' -b '/srv/apps/chroots' -d 'centos' -n centos8 -r '12.0' -s 'centos8' --openhpc --overwrite Have any of you been able to set up a centos8 chroot successfully with a new install using the qlustar-installer-12.0.1-0.iso? Thanks in advance, Jeff

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Security/Bug fix releases 12.0.1.0-b548f1441 / 11.0.1.17-b549f1440
by Qlustar List 09 Aug '22

09 Aug '22

The Qlustar releases 12.0.1.0-b548f1441 and 11.0.1.17-b549f1440 are ready including a number of security/bug fixes and improvements. Please check the following web pages for details about security fixes and special update instructions: https://qlustar.com/qsa/2022/0808221 https://qlustar.com/qsa/2022/0808222 The following non-security related enhancements/bug fixes are included: For 12.0 only: - Update to QluMan 12.0.7.5 - Update Nvidia drivers to 515.65.01 (fixes CVE-2022-31607, CVE-2022-31608, CVE-2022-31615) - Update to ZFS 2.1.5 - Added Lustre 2.15

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Enabling pam_slurm and pam_slurm_adopt
by jan.kreps＠cvut.cz 04 Aug '22

04 Aug '22

Hello everyone, I want to enable pam_slurm and pam_slurm_adopt in my new cluster. In https://qlustar.com/about-qlustar/workload-management is written, that "QluMan provides an option to enable the Slurm PAM module." Unfortunately I can not find such an option in QluMan. In Qlustar documentation I did not find this information either. Can you provide information how to achieve this? Thanks Jan

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