One of our ZFS storage servers crashed several times in the past. I was running out of memory and ended with a kernel panic. The server did not have a load on these occasions, as it happened on Sundays. ZFS runs its scrubs on Sunday. (on our servers)
The pool size: 411TB Release: Ubuntu 22.04.1 LTS zfsutils-linux: 2.1.4-0ubuntu0.1 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1992344 Title: OOM on ZFS scrub Status in zfs-linux package in Ubuntu: New Bug description: Every time zfs scrub executes exhaust memory hanging the server after several hours (This is almos 600T zpool). Issue as describe in: https://github.com/openzfs/zfs/issues/13546 - Description: Ubuntu 22.04.1 LTS Release: 22.04 - zfsutils-linux: Installed: 2.1.4-0ubuntu0.1 Candidate: 2.1.4-0ubuntu0.1 Version table: *** 2.1.4-0ubuntu0.1 500 500 http://be.archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages 100 /var/lib/dpkg/status 2.1.2-1ubuntu3 500 500 http://be.archive.ubuntu.com/ubuntu jammy/main amd64 Packages - It is expected that zfs scrub finish within acceptable amount of time despite the size of the pool. - It crashes every time causing a kernel panic and rebooting. ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: zfsutils-linux 2.1.4-0ubuntu0.1 ProcVersionSignature: Ubuntu 5.15.0-48.54-generic 5.15.53 Uname: Linux 5.15.0-48-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu82.1 Architecture: amd64 CasperMD5CheckResult: unknown Date: Mon Oct 10 14:38:38 2022 SourcePackage: zfs-linux UpgradeStatus: Upgraded to jammy on 2022-07-01 (100 days ago) modified.conffile..etc.default.zfs: [modified] mtime.conffile..etc.default.zfs: 2022-07-18T13:53:36.058781 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1992344/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp