Quoting Arnt Karlsen (arnt@???):

> > In any event, I gather that there are tradeoffs.
> > https://unix.stackexchange.com/questions/15052/what-are-the-advantages-of-swap-on-a-raid-1-mirror-device
> > https://www.linuxjournal.com/article/5898
>
> ..hum, looks like you read my question on "swap on RAID0 or not",
> as "swap on RAID1 or not", where tradeoffs will be different.

Um, did you really check those links, though? I've just done a quick
recheck. Looks to me like both pages are (primarily) about swap across
RAID1 md5 mirrored devices.