[CentOS] why i can not put my swap files in /dev?

Eero Volotinen eero.volotinen at iki.fi
Tue Jul 6 10:50:17 UTC 2010


2010/7/6 Tang Jianwei <myhnet at gmail.com>:
> I tried to create some swap files in /dev directory for my desktop.
> the dd and mkswap were ok. but when I try to swapon it, i get this:
>
> # swapon /dev/myswap
> swapon: /dev/myswap: Invalid argument
>
> but when I mv the file to some other directory like /mnt or /, the
> swapon works.

/dev/* is virtual directory containing all devices, not files. create
your swap on disk devices (/dev/sdXX, not in "empty space)

--
Eero,
RHCE



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