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Security/Bug fix releases 12.0.0.8-b546f1425 / 11.0.1.12-b543f1424
by Qlustar List 28 Dec '21

28 Dec '21

The Qlustar releases 12.0.0.8-b546f1425 and 11.0.1.12-b543f1424 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/2021/1221211 https://qlustar.com/qsa/2021/1221212 The following non-security related enhancements/bug fixes are included: For 12.0 only: - QluMan 12.0.6.0 (GUI update to 12.0.6.0 needed as well) * Major overhaul of slurm component - Monitor slurm data only when a GUI client needs it - Remove duplicate job properties before transmitting to client - Encode run time of jobs so it doesn't need to be transmitted every 5 sec * Further improve Slurm JobManagement interface - Add better column titles for new job properties - Allow grouping of jobs by columns - Show number of jobs shown after filter / total jobs - Run time of running jobs now updates every second * Add reminder about syncing users and groups with nodes upon LDAP changes * Switch to unlimited lifetime of LDAP certs (previously expired after 1 year). Add option '--update-certs' to qluman-ldap-cli. * Set DHCP lease time to 1 hour * EnclosureView: Several fixes/improvements with enclosure handling * NetworksWidget: Allow routed networks to be master for slave networks * WriteFiles/ssh - Drop files in /etc/qlustar/common/image-files and include authorized_keys in preview - replace /etc/ssh/ssh_known_hosts + shosts.equiv symlinks with files on online nodes * Fix wrong timestamps in message viewer

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Stack Smashing Detected During qlustar-image-reconfigure
by hereiam＠mit.edu 25 Nov '21

25 Nov '21

Hi everyone, I've got a new one for you all... I was updating my chroot image successfully using qlustar-image-reconfigure, and all was well. However, when I updated qlustar using apt-get upgrade as usual (I haven't done so since July), now I get this error whenever I try to reconfigure the chroot image: 0 root@geb /var/lib/qlustar/images/Standard-focal # qlustar-image-reconfigure Standard-focal Reconfiguring image Standard-focal focal/12.0 - creating squashfs for download using kernel flavour ql-generic-* *** stack smashing detected ***: terminated /usr/sbin/qlustar-image-create: line 661: 8766 Aborted DEBIAN_FRONTEND=noninteractive chroot "$IMAGE_DIR" pam-auth-update --package --force Building image Standard-focal focal/12.0 failed. Any idea what might have happened? I'm all ears, and can't seem to figure it out on my own. Thanks! -Mike

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[Qlustar-General] Node Replacement Issue - Infinite DNSMasq Lease in /var/lib/misc/dnsmasq.leases
by hereiam＠mit.edu 25 Nov '21

25 Nov '21

Hi everyone, I've run into what may be an uncommon issue when replacing nodes in Qluman. Say I have a node all configured, then I completely remove that machine and replace it with a new one (may or may not be different specs). I have noticed that Qluman allows one to make the new node in the configs, but it never boots Qlustar. I also found the fix - the file /var/lib/misc/dnsmasq.leases doesn't appear to get updated *only when deleting a node.* Adding new nodes works perfectly, as does changing MAC addresses. However, I've had to go in and manually delete the corresponding entries from the file on the headnode, after which Qluman works perfectly adding a New Host with the old IP address. Can anyone else reproduce this issue, and if so, would an addition to the scripts to the tune of deleting the line matching the hostname or MAC address in /var/lib/misc/dnsmasq.leases be required for the next round of updates? It makes sense that leases should have infinite lifetime in a cluster (nodes should sit tight for years), though in this rare situation it requires a bit of extra manual tweaking. Thanks, -Mike

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Security/Bug fix releases 12.0.0.7-b542f1400 / 11.0.1.11-b543f1399
by Qlustar List 19 Oct '21

19 Oct '21

The Qlustar releases 12.0.0.7-b542f1400 and 11.0.1.11-b543f1399 are ready including a number of security/bug fixes and improvements. Please check the following web pages for details about all security fixes and special update instructions: https://qlustar.com/qsa/2021/1019211 https://qlustar.com/qsa/2021/1019212 The following non-security related enhancements/bug fixes are included: For 12.0 only: - QluMan 12.0.5.0 (GUI update to 12.0.5.0 needed as well) * Improve Slurm JobManagement interface - Add quick-search filter - Make server <-> client job updates much more efficient - Improve job filters - Allow actions (e.g. kill job) on jobs with different states - Fix jobs not getting removed * Improve Slurm NodeState Management GUI dialogs - name enclosures after their hosts - filter enclosure view items to show only slurm nodes - fix exception sorting enclosures * qluman-slurmd: Avoid memory leak in pyslurm creating data classes * FilesystemExports Widget - Correct network priorities when changing servers - fix broken priorities when an entry is displayed * FilesystemMounts - select server name for exports in the network of the server with a gateway - try to match NIC types for gateways * Add GlobalProp SearchDomains by default, change seperator to " " add DNS search domains to /etc/resolv.conf - Add cleanup for stale unionfs files upon boot - Update Nvidia driver to 470.74 - slurm module * Update to 20.02.7 * Fix a memory leak in the job structure

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A few Qlustar 12.0 questions
by david.whipp＠helsinki.fi 20 Sep '21

20 Sep '21

Hi, First off, many thanks Roland for your earlier help with the Qlustar 12.0 installer. We've been up and running for a few months now and have almost everything working as desired. I'm writing because I have a few questions both about some issues we have not been able to resolve and some introduced in the latest security updates (QSA-0903211 and QSA-0903212). Latest issues first: 1. Since installing the latest security updates a few days ago I have noticed that Slurm has stopped working and the qluman-qt 'Components' option is grayed out (see https://imgur.com/a/W1Ejsvn). I'm not totally sure what the issue might be, but I noticed that the slurmdbd and slurmctld services are not running on the head node, and in fact are masked, which I understand will stop them from starting, right? You can see the output from 'service --status-all' and 'systemctl list-unit-files --state=masked' below. Any suggestions about how to re-enable Slurm? service --status-all: 0 root@geo-hpcc ~ # service --status-all [ - ] apache-htcacheclean [ + ] apache2 [ - ] console-setup.sh [ + ] cpufrequtils [ + ] cron [ + ] dbus [ + ] dnsmasq [ ? ] ganglia-monitor [ ? ] gmetad [ - ] grub-common [ - ] hwclock.sh [ - ] ipmievd [ - ] jobmonarch-jobmond [ - ] keyboard-setup.sh [ + ] kmod [ + ] loadcpufreq [ - ] lvm2 [ - ] lvm2-lvmpolld [ + ] munge [ + ] mysql [ + ] nagios4 [ - ] networking [ - ] nfs-common [ + ] nfs-kernel-server [ + ] ntp [ + ] postfix [ + ] procps [ + ] qluman-dhcpscanner [ + ] qluman-execd [ + ] qluman-router [ + ] qluman-server [ - ] qluman-slurmd [ + ] resolvconf [ - ] rng-tools [ + ] rpcbind [ - ] rsync [ + ] rsyslog [ + ] saslauthd [ + ] schroot [ - ] scsitools-pre.sh [ - ] scsitools.sh [ + ] slapd [ - ] slurmctld [ - ] slurmdbd [ + ] ssh [ + ] sssd [ + ] sysstat [ + ] udev [ - ] x11-common systemctl list-unit-files --state=masked: 0 root@geo-hpcc ~ # systemctl list-unit-files --state=masked UNIT FILE STATE VENDOR PRESET cryptdisks-early.service masked enabled cryptdisks.service masked enabled hwclock.service masked enabled jobmonarch-jobmond.service masked enabled lvm2.service masked enabled nfs-common.service masked enabled qluman-slurmd.service masked enabled rc.service masked enabled rcS.service masked enabled scsitools-pre.service masked enabled scsitools.service masked enabled slurmctld.service masked enabled slurmdbd.service masked enabled sudo.service masked enabled x11-common.service masked enabled 15 unit files listed. 2. In addition to the Slurm issue, I have also not been able to create new user accounts because the 'Components' option in qluman-qt is grayed out. I have previously migrated our old NIS user accounts to LDAP, but I am lackign experience with LDAP and unsure how to explore this issue. And finally, one older issue we have not resolved: 3. How do you change user passwords for LDAP users in Qlustar 12? I had been able to generate new passwords in qluman, but have not been able to figure out how what users should do to update their passwords. It seems perhaps there is a lifetime to the autogenerated passwords, so I have manually reset passwords when users needed them. Obviously, this is not something that is good in the long run. Do you have a suggestion? And sorry for the compilation of questions above. Hopefully the fixes are obvious to you and not too much trouble. Best, Dave

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Qlustar 12 install fails on dell 3640
by maximilian.freudenberg＠uni-goettingen.de 10 Sep '21

10 Sep '21

Hi everybody! Yesterday I tried to install Qlustar 12.0.1-0 on a dell 3640 using a USB stick. Secure boot is off, legacy boot not available. I was able to start the install procedure, entered all details, read through the summary, hit enter, and BANG! big wall of running text. I took a photo and could decipher “stop_fail_installation task_error task_savelog die” repeated all over, which is almost poetic, but doesn't help much. Do you have any advice? How could I encircle the problem? It occurs no matter which distro or packages I select. Two things which are probably unrelated: 1) I had to reinsert the USB stick during the pre-install procedure, as there were problems during USB device discovery (as with every linux I have ever met). 2) I don't know if the mail relay I entered is valid. Kind regards Max

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Qlustar lists on new server
by roland.fehrenbacher＠q-leap.de 09 Sep '21

09 Sep '21

Hi, yesterday we migrated the Qlustar lists to a new server and the latest mailman 3 software release. Please ignore all test/unsubscribe messages you might have received. Hope you like the experience with the new setup. All the best, Roland

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Qlustar stuff
by rfpr＠q-leap.de 08 Sep '21

08 Sep '21

Hi There

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Security/Bug fix releases 12.0.0.6-b542f1396 / 11.0.1.10-b543f1397
by Qlustar List 04 Sep '21

04 Sep '21

The Qlustar releases 12.0.0.6-b542f1396 and 11.0.1.10-b543f1397 are ready including a number of security/bug fixes and improvements. Please check the following web pages for details about all security fixes and special update instructions: https://qlustar.com/qsa/2021/0903211 https://qlustar.com/qsa/2021/0903212 The following non-security related enhancements/bug fixes are included: For 12.0 only: - QluMan 12.0.4.8 (GUI update to 12.0.4.8 needed as well) * NameServiceConfig: remove sssd restart commands * Indicate authentification method for LDAP users in GUI * Make NFS v3 the default for NFS mounts * Fix hostname override for non-primary networks * Fix slurm account creation * Fix focus loss in wizards * Fixes for AD import * Fix broken Slurm Job FilterEditor * Fix occasional exceptions in Slurm job updates * Fix network priority management in FS mounts

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Difficulties installing Qlustar 12 on HP server
by david.whipp＠helsinki.fi 03 Aug '21

03 Aug '21

Hi, I have an HP Proliant DL380p (gen8) server that has been used as our head node for a Qlustar 10 cluster for several years now. We've recently decided to upgrade to Qlustar 12 (via a clean install) and I have been having issues with the installer not being able to find a disk for the installation. When I boot from USB the installer starts as expected, but once it loads I receive the message "No disks found - The installer ha not found any unused disks, installation cannot continue.". I've done some googling and found a few similar issues, mostly related to RAID, but no solution yet. The server does have a hardware RAID disk controller (HP P420i) and the target disk is a RAID 1 logical volume. The odd thing is that dropping into a shell and using lsblk shows the target RAID volume and another on the same controller as /dev/sda1 and /dev/sdb1. The RAID partitions also appear in the output of `cat /dev/partitions`, and it appears that the hpsa module has loaded properly from the output of `lsmod | grep hpsa`. We've today updated the BIOS and RAID controller firmware on the server and are still having no luck with proceeding with the install (same error every time). I am tempted to test things with the installer for Qlustar 11, but it no longer appears to be available online. Any suggestions? Thanks! Dave p.s. I won't be able to have physical access to the cluster again until July 20, but can try to answer any questions that come up here in the meantime.

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