OOM on ZFS scrub
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
zfs-linux (Ubuntu) |
New
|
Undecided
|
Unassigned |
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:/
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Description: Ubuntu 22.04.1 LTS
Release: 22.04
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zfsutils-linux:
Installed: 2.1.4-0ubuntu0.1
Candidate: 2.1.4-0ubuntu0.1
Version table:
*** 2.1.4-0ubuntu0.1 500
500 http://
100 /var/lib/
2.1.2-1ubuntu3 500
500 http://
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It is expected that zfs scrub finish within acceptable amount of time despite the size of the pool.
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It crashes every time causing a kernel panic and rebooting.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: zfsutils-linux 2.1.4-0ubuntu0.1
ProcVersionSign
Uname: Linux 5.15.0-48-generic x86_64
NonfreeKernelMo
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckR
Date: Mon Oct 10 14:38:38 2022
SourcePackage: zfs-linux
UpgradeStatus: Upgraded to jammy on 2022-07-01 (100 days ago)
modified.
mtime.conffile.
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