[CentOS] why i can not put my swap files in /dev?
Tang Jianwei
myhnet at gmail.com
Tue Jul 6 14:30:10 UTC 2010
In the past I only heard that /proc and /sys are "RAM directories", now
I get /dev as well. thank you.
Tang Jianwei
On 07/06/2010 10:14 PM, John Kennedy wrote:
>
>
> On Tue, Jul 6, 2010 at 10:01 AM, <m.roth at 5-cent.us
> <mailto:m.roth at 5-cent.us>> wrote:
>
> Jerry McAllister wrote:
> > On Tue, Jul 06, 2010 at 06:41:06PM +0800, Tang Jianwei wrote:
> >
> >> 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.
> >>
> >> could sb. tell me why?
>
> Well, /dev is *not* a good place for anything but device files.
> >
> > /dev is not a real directory for data files.
> <snip>
> Um, er, what do you mean about it not being a "real" directory?
>
> mark
>
>
> I would say he means "real" as exists on a hard drive like /home of
> /var as opposed to "virtual" as exists in RAM like /proc.
> John
> --
> John Kennedy
>
>
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