On Thu, 15 Oct 2015 18:19:12 +0200 Paolo Aglialoro <paol...@gmail.com> wrote:
> Hello, > > I would like to create an embedded amd64 installation, with system > running on a 8GB 233x CF card attached to an Intel ITX mb. > > In order to minimise nand wear off, I would like to put on ramdisk > (the machine would have 2GB ram, so I believe enough also for that, > but I still can upgrade it to 4GB if needed) the parts of the file > hierarchy with most intensive system write I/O, like, for > instance, /tmp and I imagine some parts of /var. > > My questions are two: > 1. What are the dirs I should take into account to go to ramdisk? > 2. What is the correct filesystem type to put in fstab for all the > entries of point 1. in order to store them in ramdisk? > > Thanks in advance for ur answers > 1. /var and /dev 2. swap /var mfs rw,-P=/mfs/var,-s=32768,nodev,nosuid,noexec 0 0 swap /dev mfs rw,-P=/mfs/dev,-s=8192,-i=128,nosuid,noexec 0 0 Back in time when I was building OpenBSD system resistant to frequent power outages for the first time (completely read-only), I created this 'works-for-me' howto: https://www.mimar.rs/sysadmin/2014/openbsd-otporan-na-nestanke-struje It is in Serbian, but most important stuff is code and commands, the rest will probably be understandable by help of some online translator. Regards, -- Before enlightenment - chop wood, draw water. After enlightenment - chop wood, draw water. Marko Cupać https://www.mimar.rs/