# Latest **URL:** https://cernvm-forum.cern.ch/latest.md [Latest](https://cernvm-forum.cern.ch/latest.md) · [Categories](https://cernvm-forum.cern.ch/categories.md) --- ## [Fedora cvmfs repo](https://cernvm-forum.cern.ch/t/fedora-cvmfs-repo/561)
**Author:** [@musinsky](https://cernvm-forum.cern.ch/u/musinsky)\ **Replies:** 18\ **Last updated:** [November 9, 2026, 9:17pm UTC](https://cernvm-forum.cern.ch/t/fedora-cvmfs-repo/561 "2026-11-09T21:17:34Z")
$ cat /etc/redhat-release Fedora release 42 (Adams) $ dnf install https://cvmrepo.s3.cern.ch/cvmrepo/yum/cvmfs-release-latest.noarch.rpm $ dnf upgrade Updating and loading repositories: CernVM packages \>\>\> Status code:… --- ## [Restoring Stratum0-PreProd : no backups](https://cernvm-forum.cern.ch/t/restoring-stratum0-preprod-no-backups/593)
**Author:** [@paul.zakharov](https://cernvm-forum.cern.ch/u/paul.zakharov)\ **Replies:** 2\ **Last updated:** [September 16, 2026, 4:10pm UTC](https://cernvm-forum.cern.ch/t/restoring-stratum0-preprod-no-backups/593 "2026-09-16T16:10:09Z")
We have a little clone of this topic : We discovered that our Pre-Prod Stratum0 also corrupted. as it’s the Pre-Prod server we are not really bothered about the data… but we don’t want the empty Stratum0-PreProd as w… --- ## [Supported platforms for packaging](https://cernvm-forum.cern.ch/t/supported-platforms-for-packaging/512)
**Author:** [@vavolkl](https://cernvm-forum.cern.ch/u/vavolkl)\ **Replies:** 5\ **Last updated:** [September 14, 2026, 2:56pm UTC](https://cernvm-forum.cern.ch/t/supported-platforms-for-packaging/512 "2026-09-14T14:56:28Z")
Platforms Releases are built and packaged firstly for all currently supported versions of Almalinux (compatible with RHEL and other RHEL clones) and Debian. Ubuntu, Fedora, and SuseLES are built as well, but possibly wit… --- ## ["mismatch of file name and content hash" error following Stm0 reinstall and disk 100% full](https://cernvm-forum.cern.ch/t/mismatch-of-file-name-and-content-hash-error-following-stm0-reinstall-and-disk-100-full/591)
**Author:** [@paul.zakharov](https://cernvm-forum.cern.ch/u/paul.zakharov)\ **Replies:** 5\ **Last updated:** [September 11, 2026, 1:56pm UTC](https://cernvm-forum.cern.ch/t/mismatch-of-file-name-and-content-hash-error-following-stm0-reinstall-and-disk-100-full/591 "2026-09-11T13:56:56Z")
This is probably a follow-up to ticket : https://cernvm-forum.cern.ch/t/failed-to-fetch-repository-manifest-2-incomplete-manifest-due-to-a-disk-corrup Once we recovered our Stratum0, we relaunched snapshot on Stratum1. … --- ## [Failed to fetch repository manifest (2 - incomplete manifest) : due to a disk corruption](https://cernvm-forum.cern.ch/t/failed-to-fetch-repository-manifest-2-incomplete-manifest-due-to-a-disk-corruption/590)
**Author:** [@paul.zakharov](https://cernvm-forum.cern.ch/u/paul.zakharov)\ **Replies:** 4\ **Last updated:** [August 5, 2026, 2:59pm UTC](https://cernvm-forum.cern.ch/t/failed-to-fetch-repository-manifest-2-incomplete-manifest-due-to-a-disk-corruption/590 "2026-08-05T14:59:32Z")
We have a very critical issue on our production CVMFS server. Due to some unattended maintenance the server had some issues and the filesystem contained cvmfs got corrupted. Normally (I was not here at the moment) the … --- ## [Question - Named snapshot limit](https://cernvm-forum.cern.ch/t/question-named-snapshot-limit/589)
**Author:** [@Neves-P](https://cernvm-forum.cern.ch/u/Neves-P)\ **Replies:** 3\ **Last updated:** [July 6, 2026, 4:31pm UTC](https://cernvm-forum.cern.ch/t/question-named-snapshot-limit/589 "2026-07-06T16:31:33Z")
Hi all, I’m working on the EESSI project and having had some conversations and questions on using named snapshots I was advised to post here. We’re looking into the possibility of integrating the named snapshot feature… --- ## [CVMFS repo mount and cache process detaches and when autofs tries to mount, it fails](https://cernvm-forum.cern.ch/t/cvmfs-repo-mount-and-cache-process-detaches-and-when-autofs-tries-to-mount-it-fails/588)
**Author:** [@chovdary](https://cernvm-forum.cern.ch/u/chovdary)\ **Replies:** 1\ **Last updated:** [June 16, 2026, 8:32pm UTC](https://cernvm-forum.cern.ch/t/cvmfs-repo-mount-and-cache-process-detaches-and-when-autofs-tries-to-mount-it-fails/588 "2026-06-16T20:32:44Z")
Hi team, We’re currently dealing with an issue where a CVMFS repository mount unexpectedly detaches. Based on our investigation, this happens when the repo mount process invokes the cache process, resulting in a cache p… --- ## [Failed to download whitelist](https://cernvm-forum.cern.ch/t/failed-to-download-whitelist/587)
**Author:** [@samuel.c.ninchritz](https://cernvm-forum.cern.ch/u/samuel.c.ninchritz)\ **Replies:** 1\ **Last updated:** [May 7, 2026, 7:40pm UTC](https://cernvm-forum.cern.ch/t/failed-to-download-whitelist/587 "2026-05-07T19:40:36Z")
Set up the Stratum 0 and Stratum 1 but i am running into a issue where I cannot get the whitelist to download. I have checked file and source permission errors and that is not it. Any ideas? (unexpected termination) can… --- ## [Sw-nightlies.hsf.org cvmfs repository](https://cernvm-forum.cern.ch/t/sw-nightlies-hsf-org-cvmfs-repository/586)
**Author:** [@goizquie](https://cernvm-forum.cern.ch/u/goizquie)\ **Replies:** 1\ **Last updated:** [February 16, 2026, 1:36pm UTC](https://cernvm-forum.cern.ch/t/sw-nightlies-hsf-org-cvmfs-repository/586 "2026-02-16T13:36:21Z")
Good morning, I manage a Tier-2 site and I need to mount the CVMFS repository /cvmfs/sw-nightlies.hsf.org. However, I am having trouble finding the repository configuration details, specifically the repository URL and t… --- ## [TLS certificate issue on https://ecsft.cern.ch](https://cernvm-forum.cern.ch/t/tls-certificate-issue-on-https-ecsft-cern-ch/584)
**Author:** [@priteau](https://cernvm-forum.cern.ch/u/priteau)\ **Replies:** 2\ **Last updated:** [January 27, 2026, 5:00pm UTC](https://cernvm-forum.cern.ch/t/tls-certificate-issue-on-https-ecsft-cern-ch/584 "2026-01-27T17:00:38Z")
Hello, We have discovered an issue with the TLS configuration for https://ecsft.cern.ch. In some environments, TLS validation fails: curl: (60) SSL certificate OpenSSL verify result: unable to get local issuer certific… --- ## [Certificate chain issue for cvmfs repo](https://cernvm-forum.cern.ch/t/certificate-chain-issue-for-cvmfs-repo/585)
**Author:** [@45070048](https://cernvm-forum.cern.ch/u/45070048)\ **Replies:** 2\ **Last updated:** [January 27, 2026, 1:27pm UTC](https://cernvm-forum.cern.ch/t/certificate-chain-issue-for-cvmfs-repo/585 "2026-01-27T13:27:14Z")
https://ecsft.cern.ch/dist/ seems to be serving an incomplete certificate chain since the certs were renewed on Jan 20th. The site can still be accessed by web browsers (which fill in the missing certs), but means the ce… --- ## [How to (better) integrate km3net.egi.eu repo with CI/CD](https://cernvm-forum.cern.ch/t/how-to-better-integrate-km3net-egi-eu-repo-with-ci-cd/583)
**Author:** [@catalin](https://cernvm-forum.cern.ch/u/catalin)\ **Replies:** 2\ **Last updated:** [January 26, 2026, 10:51am UTC](https://cernvm-forum.cern.ch/t/how-to-better-integrate-km3net-egi-eu-repo-with-ci-cd/583 "2026-01-26T10:51:09Z")
Hello, This message is to put colleagues from KM3NeT project in contact with people on this forum in an attempt to provide them with advice on how to establish a procedure in their Gitlab repository, allowing the softwa… --- ## [Monitoring CVMFS used as a container registry in an HTC environment (pull timing + Squid architecture)](https://cernvm-forum.cern.ch/t/monitoring-cvmfs-used-as-a-container-registry-in-an-htc-environment-pull-timing-squid-architecture/582)
**Author:** [@gsaudade](https://cernvm-forum.cern.ch/u/gsaudade)\ **Replies:** 2\ **Last updated:** [November 20, 2025, 5:03pm UTC](https://cernvm-forum.cern.ch/t/monitoring-cvmfs-used-as-a-container-registry-in-an-htc-environment-pull-timing-squid-architecture/582 "2025-11-20T17:03:18Z")
Hello there! Im a pretty new system administrator for usegalaxy.eu and one of my tasks is to figure out how to monitor cvmfs. The cvmfs is used as a container registry for many compute nodes. All compute nodes mount cvm… --- ## [Intermittent client failures: Too many levels of symbolic links](https://cernvm-forum.cern.ch/t/intermittent-client-failures-too-many-levels-of-symbolic-links/156)
**Author:** [@ebirngru](https://cernvm-forum.cern.ch/u/ebirngru)\ **Replies:** 11\ **Last updated:** [October 13, 2025, 3:56pm UTC](https://cernvm-forum.cern.ch/t/intermittent-client-failures-too-many-levels-of-symbolic-links/156 "2025-10-13T15:56:41Z")
Hi all, I imagine this has happend to people previously, but I could not find good information on how to deal with this. On our worker nodes for a Tier 2 grid site, we have various CVMFS repos mounted (mainly: cms, bel… --- ## [Reclaiming space](https://cernvm-forum.cern.ch/t/reclaiming-space/572)
**Author:** [@angel.de.vicente](https://cernvm-forum.cern.ch/u/angel.de.vicente)\ **Replies:** 4\ **Last updated:** [August 27, 2025, 7:19pm UTC](https://cernvm-forum.cern.ch/t/reclaiming-space/572 "2025-08-27T19:19:35Z")
Hello, since I installed cernvm-fs at our institution to handle how we distribute software to our workstations and laptops, things have gone so smoothly that now I’m very rusty with its administration… :slight\_smile: Bu… --- ## [Cvmfs unusable from cold cache](https://cernvm-forum.cern.ch/t/cvmfs-unusable-from-cold-cache/546)
**Author:** [@pettyalex](https://cernvm-forum.cern.ch/u/pettyalex)\ **Replies:** 11\ **Last updated:** [August 21, 2025, 1:48am UTC](https://cernvm-forum.cern.ch/t/cvmfs-unusable-from-cold-cache/546 "2025-08-21T01:48:29Z")
Hello, I’m evaluating the Compute Canada software stack via CVMFS, and my first proof of concept test has resulted in constant failures with Input/Output errors when trying to load and run many different modules, from R… --- ## [Client proxy switching and logging](https://cernvm-forum.cern.ch/t/client-proxy-switching-and-logging/569)
**Author:** [@destefano](https://cernvm-forum.cern.ch/u/destefano)\ **Replies:** 2\ **Last updated:** [August 18, 2025, 7:58pm UTC](https://cernvm-forum.cern.ch/t/client-proxy-switching-and-logging/569 "2025-08-18T19:58:14Z")
We’ve noticed for many years what seem to be harmless client syslog messages indicating that a request has triggered a change in proxy configuration, normally between ‘none’, a hostname, or ‘DIRECT’. Lately these message… --- ## [How to delay post-load verification in publisher](https://cernvm-forum.cern.ch/t/how-to-delay-post-load-verification-in-publisher/566)
**Author:** [@guest\_j.f.francogonz](https://cernvm-forum.cern.ch/u/guest_j.f.francogonz)\ **Replies:** 1\ **Last updated:** [July 28, 2025, 2:39pm UTC](https://cernvm-forum.cern.ch/t/how-to-delay-post-load-verification-in-publisher/566 "2025-07-28T14:39:42Z")
Hi there, We’ve configured a VM as a CVMFS publisher, utilizing S3 buckets as our Stratum 0. Recently, we’ve encountered recurring issues similar to the following: terminate called after throwing an instance of ‘ECvmfs… --- ## [CVMFS command or script to fetch missing chunks](https://cernvm-forum.cern.ch/t/cvmfs-command-or-script-to-fetch-missing-chunks/483)
**Author:** [@rptaylor](https://cernvm-forum.cern.ch/u/rptaylor)\ **Replies:** 2\ **Last updated:** [July 4, 2025, 6:22pm UTC](https://cernvm-forum.cern.ch/t/cvmfs-command-or-script-to-fetch-missing-chunks/483 "2025-07-04T18:22:04Z")
When a server check detects missing data chunks, AFAIK you have to manually get them from somewhere and replace them. Is there a script or swissknife command that could help automate this? In particular, running the ch… --- ## [How to recover from filling the disk to 100% on a stratum-1 server?](https://cernvm-forum.cern.ch/t/how-to-recover-from-filling-the-disk-to-100-on-a-stratum-1-server/564)
**Author:** [@omen](https://cernvm-forum.cern.ch/u/omen)\ **Replies:** 2\ **Last updated:** [July 2, 2025, 4:40pm UTC](https://cernvm-forum.cern.ch/t/how-to-recover-from-filling-the-disk-to-100-on-a-stratum-1-server/564 "2025-07-02T16:40:48Z")
We recently manage to fill the drive to 100% on one of our stratum-1 servers. sudo cvmfs\_server check runs correctly, but sudo cvmfs\_server check -i our.local.cvmfs fails with mismatch of file name and content hash | at:… --- ## [How to uninstall CVMFS on MacOS](https://cernvm-forum.cern.ch/t/how-to-uninstall-cvmfs-on-macos/559)
**Author:** [@duboism](https://cernvm-forum.cern.ch/u/duboism)\ **Replies:** 4\ **Last updated:** [June 25, 2025, 2:03pm UTC](https://cernvm-forum.cern.ch/t/how-to-uninstall-cvmfs-on-macos/559 "2025-06-25T14:03:33Z")
Hello, I installed CVFMS on my Mac with the .pkg installer some time ago (it is version 2.11.5) but I don’t need it anymore. How can I uninstall it ? I have found way to list of the files in the .pkg file (see here for… --- ## [Clients mounting an s3 backed stratum 0](https://cernvm-forum.cern.ch/t/clients-mounting-an-s3-backed-stratum-0/555)
**Author:** [@jowhite](https://cernvm-forum.cern.ch/u/jowhite)\ **Replies:** 10\ **Last updated:** [May 30, 2025, 7:36pm UTC](https://cernvm-forum.cern.ch/t/clients-mounting-an-s3-backed-stratum-0/555 "2025-05-30T19:36:28Z")
I’ve been working on setting up a stratum0 with an s3 backend. I’ve gotten through that and started work on getting a client mounting but the client is unable to find the .cvmfspublished immediately. I can confirm the … --- ## [Please provide packages for Debian Trixie](https://cernvm-forum.cern.ch/t/please-provide-packages-for-debian-trixie/553)
**Author:** [@christo](https://cernvm-forum.cern.ch/u/christo)\ **Replies:** 7\ **Last updated:** [May 22, 2025, 10:03am UTC](https://cernvm-forum.cern.ch/t/please-provide-packages-for-debian-trixie/553 "2025-05-22T10:03:00Z")
Debian 13 Trixie is entering the home stretch for release. We are starting broader testing of Debian Trixie systems and it would be nice to have matching packages in the CVMFS apt repo without redirecting to the Bookwor… --- ## [CVMFS-EESSI webinar on Monday 12th, 13:30 CET](https://cernvm-forum.cern.ch/t/cvmfs-eessi-webinar-on-monday-12th-13-30-cet/552)
**Author:** [@vavolkl](https://cernvm-forum.cern.ch/u/vavolkl)\ **Replies:** 0\ **Last updated:** [May 9, 2025, 2:58pm UTC](https://cernvm-forum.cern.ch/t/cvmfs-eessi-webinar-on-monday-12th-13-30-cet/552 "2025-05-09T14:58:42Z")
Together with EESSI/EuroHPC we are organising a webinar-style CVMFS tutorial on Monday, May 12th 2025 13:30 CET. It’s intended for HPC sysadmins, but can be a nice introduction to CVMFS. If you know anyone who might… --- ## [SQLite error on publish](https://cernvm-forum.cern.ch/t/sqlite-error-on-publish/550)
**Author:** [@jowhite](https://cernvm-forum.cern.ch/u/jowhite)\ **Replies:** 3\ **Last updated:** [May 1, 2025, 6:14pm UTC](https://cernvm-forum.cern.ch/t/sqlite-error-on-publish/550 "2025-05-01T18:14:56Z")
We’re trying to do our initial publish on a stratum0 of about 1.1TB over 9824776 inodes. We’re getting past the initial scan and upload as well as the automatic nested catalog creation but we hit an SQLite error immedia… --- ## [Libcurl error on publish](https://cernvm-forum.cern.ch/t/libcurl-error-on-publish/548)
**Author:** [@jowhite](https://cernvm-forum.cern.ch/u/jowhite)\ **Replies:** 0\ **Last updated:** [April 30, 2025, 5:05pm UTC](https://cernvm-forum.cern.ch/t/libcurl-error-on-publish/548 "2025-04-30T17:05:31Z")
As part of an initial repository publish, I’m running into a libcurl error (65). It’s the initial stratum0, uses an S3 backend (HTTPS, Vast). I’m curious if I could get some help debugging this. From some searching, i… --- ## [Cannot install cvmfs and cvmfs-server on Alma9](https://cernvm-forum.cern.ch/t/cannot-install-cvmfs-and-cvmfs-server-on-alma9/544)
**Author:** [@gguerrie](https://cernvm-forum.cern.ch/u/gguerrie)\ **Replies:** 2\ **Last updated:** [April 9, 2025, 2:48pm UTC](https://cernvm-forum.cern.ch/t/cannot-install-cvmfs-and-cvmfs-server-on-alma9/544 "2025-04-09T14:48:52Z")
Reproducibility steps On a fresh Alma9 deployment, the commands in the documentation currently return these outputs (running as root): \> yum install -y https://cvmrepo.s3.cern.ch/cvmrepo/yum/cvmfs-release-latest.noarch.… --- ## [CVMFS S3 interface](https://cernvm-forum.cern.ch/t/cvmfs-s3-interface/541)
**Author:** [@guest\_stephen.dixon](https://cernvm-forum.cern.ch/u/guest_stephen.dixon)\ **Replies:** 3\ **Last updated:** [April 2, 2025, 8:58pm UTC](https://cernvm-forum.cern.ch/t/cvmfs-s3-interface/541 "2025-04-02T20:58:43Z")
Hi, I have a couple of questions about what can be achieved trying to use CVMFS as an interface to an existing S3 data store. Can grafting and external files be used to redirect clients to download datafiles from a p… --- ## [Cvmfs-2.12.0.macfuse.arm64 requires FUSE-T?](https://cernvm-forum.cern.ch/t/cvmfs-2-12-0-macfuse-arm64-requires-fuse-t/539)
**Author:** [@schroder](https://cernvm-forum.cern.ch/u/schroder)\ **Replies:** 1\ **Last updated:** [March 31, 2025, 9:04am UTC](https://cernvm-forum.cern.ch/t/cvmfs-2-12-0-macfuse-arm64-requires-fuse-t/539 "2025-03-31T09:04:42Z")
I installed cvmfs-2.12.0.macfuse.arm64 and ran “sudo cvmfs\_config chksetup”. I was was very surprised to get the messages Error: Missing required file or directory: /usr/local/bin/go-nfsv4 Error: FUSE-T is not installe… --- ## [Alma9 client unmont /cvmfs Frequently](https://cernvm-forum.cern.ch/t/alma9-client-unmont-cvmfs-frequently/538)
**Author:** [@cabrillo](https://cernvm-forum.cern.ch/u/cabrillo)\ **Replies:** 1\ **Last updated:** [March 28, 2025, 7:54pm UTC](https://cernvm-forum.cern.ch/t/alma9-client-unmont-cvmfs-frequently/538 "2025-03-28T19:54:59Z")
We are migrating the infrastructure to alma9. The squid servers have been migrated without problems and are functioning. packages are: cvmfs-libs-2.12.7-1.el9.x86\_64 cvmfs-config-default-2.1-1.noarch cvmfs-2.12.7-1.e… [Next page](https://cernvm-forum.cern.ch/latest.md?page=1)