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Re: naming a partition after the fact?



On Sat 30 Sep 2023 at 11:13:36 (-0400), Stefan Monnier wrote:

> Yes, filesystem labels are a different beast because they're stored
> inside the partition.  The allowed format of that label, where it's
> stored within the data, and hence how to read/write it is different for
> every filesystem, so it's a big mess.  You can't even apply a filesystem
> label to a partition that doesn't hold a filesystem, for example.

Well, no, by definition. But, FTR, you can apply LABELs and UUIDs to
linux swap partitions even though they don't contain filesystems.
You just don't call then /filesystem/ LABELs and UUIDs.

Swap LABELs were very useful if you shared swap partitions between
different linux installations. When the debian-installer formats the
shared swap, you can immediately restore its LABEL. The new
installation will refer to the swap by its UUID until you get round to
updating the /etc/fstab, but should you reboot to one of the other
installations, their reference to swap by LABEL will still work.

Cheers,
David.


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