maria-discuss team mailing list archive

[Jogchum Reitsma <jogchum.reitsma@xxxxxxxxx>]

Op 13-10-2022 om 15:10 schreef Reindl Harald:
> Am 13.10.22 um 14:54 schrieb Jogchum Reitsma:
> > > frankly why don#t you move the datadir out of your suerhome and 
> > > change the path to the datadir in the config?
> > 25 years ago I decided that the data is only useful to me, so why 
> > place it anywhere else than in my home directory? After all, that's 
> > where all my personal files reside, so why treat this data otherwise?
>
> but database files are not normal user files and can't be backuped 
> while the service is running in a safe way like your personal document 
> files
>
> so it makes little sense to handle different beasts identical
OK, I get that. A philosophical issue in my feeling: what is more 
important, who's the owner of the (content of the) files, vs. what 
nature are they?
> > There I have plenty of room in a raid6 configuration, where the 
> > default location is much smaller, and populated by the infamous 
> > (well, with me at least) btrfs filesystem.
>
> you can put the data in /home/mysql, make a bind-mount from 
> /var/lib/mysql to /home/mysql and change the config to use /var/lib/mysql

OK, so, to be quite sure, the command then is

mount --bind <the-location-the-database-resides-now> /var/lib/mysql

> voila, ProtectHome no longer hits because from the viewpoint of 
> systemd and mariadb the datadir isn't below /home
>
> https://unix.stackexchange.com/questions/198590/what-is-a-bind-mount
>
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