Compact flash, mounting in RAM.

[angello]

On Tue, 2009-05-12 at 12:33 +0200, David Walker wrote:
> Hi Stuart.
> 
> On 12/05/2009, Stuart Henderson <stu at spacehopper.org> wrote:
> > I use a bunch of CF based systems, and mount most of them read-write.
> > I've done so for years, and haven't had any problems as a result.
> >
> > I've had cards fail, but mostly after just a month or two, and other
> > identical cards bought at the same time in the same conditions (similar
> > number of write/erase cycles) have been totally ok, so I'm putting that
> > down to individual bad cards.
> 
> I will stop stressing then.
> 
> >> Hey I solved my first problem (I think).
> >> I was going to ask how to populate (-P) the mfs mounts without having
> >> to duplicate the original directories on my CF (/populate).
> >> I think I could populate them straight from the original directories. :]
> 
> I'd like a recount on that. Obviously it will not work. Haha.
> 
> >> Anyway, are there other ways to populate mfs mounts with system files?
> >> Is there any way to mount only the specific files I need?
> >> For instance if I never use a specific log file is there any way to
> >> not mount it?
> >
> > No.
> >
> > You could adjust the path of some file in syslog.conf and
> > newsyslog.conf though. There is also the option of using a circular
> > memory-buffer for logs, see syslogd(8) -s, syslogc(8), syslog.conf(5),
> > but you probably need to write to some other things in /var (e.g.
> > /var/run, /var/tmp; they could be symlinks though).
> 
> That's the kind of road I was thinking of.
> 
> > At least if a file is never used, it's not going to take a lot of
> > space on the ram disk :-)
> 
> True.
> It bugs me to duplicate every file in /var.
> Especially things like /var/www/icons ...
> It really bugs me to duplicate /dev and /var on the CF to be able to
> copy them to RAM.
> Triplicate.
> 
> I think some fancy script is what I need.
> MAKEDEV to my RAM /dev and changing the paths to the log files.
> I know I won't sleep well till it's done. :]
> 
> Thanks for the clarification.
> 
> Best wishes.
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Hi,
try this:
http://www.nmedia.net/flashdist/

I've used it for wraps, now I use it for alixes, never had single
problem.

br
angello