On Mon, Mar 26, 2012 at 6:52 AM, Royce Souther <osgn...@gmail.com> wrote:
> /sys should not be needed in a server unless you have a goofy NIC that > needs proprietary firmware ROM to work. I remove it from my servers without > issue. > No, leave /sys alone. A lot more than that happens in /sys. See the following: http://en.wikipedia.org/wiki/Sysfs /proc does not actually exist on the physical file system. It is a special > mount that maps to memory inside the running kernel and lets you see what > the kernel is doing but no data is ever written to disk /var/log can be redirected to a different log server on the network and > that is a good way to find out what happens when the USB / root boot server > dies > /tmp can be mounted to a RAM disk > > And with those changes there should be very few write cycles to the USB > memory stick and a quality thumb drive it could last many years. You can > have a second or even a third USB stick connected to the USB ports and you > can use dd and a cron script to once a day keep the other sticks up to date > with the main boot stick, no need for RAID1 and IPMI will let you switch if > the main stick dies. > > Thanks for the idea. I am going to try this. I will let you know how it > goes. > > If you are looking for a read only server, have a look at voyage linux ( http://linux.voyage.hk/ ). This is what I use on CF cards in my embedded servers (usually based on PC Engines or Soekris SBCs). It is a slightly customized Debian variant. Very slim and designed to run on limited write media (compact flash, usb flash, SSD, etc).
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