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Message #06069
Re: MySQL crash after 'partial' version upgrade
> Op 26 jul. 2021 om 19:27 heeft Reindl Harald <h.reindl@xxxxxxxxxxxxx> het volgende geschreven:
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>
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>> Am 26.07.21 um 17:30 schrieb William Edwards:
>> William Edwards schreef op 2021-07-23 19:16:
>>> Hello,
>>>
>>> The weather probably has an effect on me, because I'm not seeing the
>>> cause for the issue below right away. Hopefully someone can use the
>>> cluebat. Also, I apologize if we're not supposed to paste snippets of
>>> this size in email, but I couldn't find a mailing list policy on this.
>> Some additional information after further debugging:
>> - The upgrade started at 16:06:18, MariaDB shut down gracefully at 16:06:23, but - while the upgrade was still in progress - started again exactly 5 seconds later at 16:06:28. This makes me suspect a watchdog started MariaDB at the wrong time. However, MariaDB shut down gracefully, so systemd's 'Restart=on-abort' shouldn't have done anything.
>> - The server starts up fine with a new datadir created by 'mysql_install_db'. This confirms the suspicion that the data was corrupted because of *something* that happened during the upgrade
>
> that's why we don't use "mysqld_safe" and don't package "mysql_install_db" as well as we don't restart services at updates in our internal packages
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> it's simply idiotic doing that within a dist-upgrade and for minor version updates even more
Just to be clear: I’m not using mysqld_safe.
>
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