** Changed in: zfs-linux (Ubuntu)
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1969247
Title:
fallocate with FALLOC_FL_ZERO_RANGE produces zero-size files on zfs in
Jammy
Status in Native ZFS for Linux:
Fix Released
Status in mysql-8.0 package in Ubuntu:
Invalid
Status in zfs-linux package in Ubuntu:
In Progress
Bug description:
[Summary]
When running Jammy on zfs or LXD with a zfs pool on a Jammy host,
fallocate creates a zero-sized file.
The issue was originally found when installing mysql on LXD, where
fallocate would create a zero-sized ib_logfile1 file. The original
information in this bug is based on that.
[Steps to Reproduce]
touch foo.img
fallocate -z -l 10M foo.img
ls -la foo.img
On a non-zfs Jammy system this will show something like:
-rw-r--r-- 1 root root 10M ...
while on zfs it will show:
-rw-rw-r-- 1 root root 0 ...
[Original Description]
I came across this error when testing various mysql setups in an LXD
container and managed to reproduce it consistently. I'm unable to reproduce on
Ubuntu desktop or server though since the prerequisites are probably handled
properly there.
ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: mysql-server-8.0 8.0.28-0ubuntu0.20.04.3
ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
Uname: Linux 5.15.0-25-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.23
Architecture: amd64
CasperMD5CheckResult: skip
Date: Fri Apr 15 21:31:09 2022
Dmesg:
ErrorMessage: installed mysql-server-8.0 package post-installation script
subprocess returned error exit status 1
KernLog:
Logs.var.log.daemon.log:
MySQLConf.etc.mysql.conf.d.mysql.cnf: [mysql]
MySQLConf.etc.mysql.conf.d.mysqldump.cnf:
[mysqldump]
quick
quote-names
max_allowed_packet = 16M
MySQLConf.etc.mysql.my.cnf: Error: [Errno 40] Too many levels of symbolic
links: '/etc/mysql/my.cnf'
MySQLVarLibDirListing: ['ibdata1', 'ib_logfile0', '#innodb_temp',
'debian-5.7.flag', '#ib_16384_0.dblwr', 'client-cert.pem', 'undo_001',
'server-cert.pem', 'mysql.ibd', '#ib_16384_1.dblwr', 'client-key.pem',
'ca-key.pem', 'sys', 'private_key.pem', 'mysql', 'undo_002', 'binlog.index',
'performance_schema', 'ib_buffer_pool', 'auto.cnf', 'ib_logfile1',
'public_key.pem', 'ca.pem', 'server-key.pem']
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-5.15.0-25-generic
root=UUID=93666562-b5e4-4fb4-ba8c-7b42a3e6bf61 ro quiet splash
mem_sleep_default=deep vt.handoff=7
Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal,
3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
dpkg 1.19.7ubuntu3
apt 2.0.6
SourcePackage: mysql-8.0
Title: package mysql-server-8.0 8.0.28-0ubuntu0.20.04.3 failed to
install/upgrade: installed mysql-server-8.0 package post-installation script
subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
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