[clug-talk] OT: Help me pick my hardware

Gustin Johnson gustin at meganerd.ca
Mon Mar 26 11:03:00 PDT 2012


On Mon, Mar 26, 2012 at 6:52 AM, Royce Souther <osgnuru at 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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