On Mon, 4 Apr 2005, Jeff Bower wrote:
> Although slightly off-topic as it's not a 7000 series, hopefully this
> is a more generic question. I would like to know if anyone can point
> me to information on how to "harden" a Linux implementation so it can
> handle unscheduled power cycles a bit better. I'm toying with the
> idea of trying to tar the entire filesystem and loading it into a
> RAMDISK on bootup or trying to migrate to a journalling filesystem.
I've been given this advice in the past, Don't use journalling file
systems with flash based filestore like cfdisk - far too many writes.
> Since I don't anticipate any changes to the filesystem on a day-to-day
> basis (I'll need to write temp files, but there should be no
> incremental filesystem changes that I need to keep track of) I don't
> have any issues with simply restoring the boot partition on bootup if
> it makes things easier.
Have you thought about making the root file system CFDisk or similar and
mounting it read only. Have a /usr /var and /tmp as ramdisk(s) for
anything volatile. Tradionally such files as /etc/mtab cause problems, but
can be a softlink into /var or I believe one can just use /proc.
Jim
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