sorry there was an omission in my /etc/fstab i had left out the softdep,noatime flags on the filessytems that were funning off the disk using FFS Thanks #############begin corrected /etc/fstab################## /dev/sd0a / ffs rw,softdep,noatime 1 1 /dev/sd0d /usr/local ffs rw,wxallowed,nodev,softdep,noatime 1 1 swap /tmp mfs rw,nosuid,noexec,nodev,-s=256000,-P=/persist-fs/tmp 0 0 swap /var mfs rw,nosuid,noexec,nodev,-s=512000,-P=/persist-fs/var 0 0 swap /dev mfs rw,nosuid,noexec,-P=/persist-fs/dev,-i=2048,-s=102400 0 0
##################end-corrected /etc/fstab###################### On Mon, 28 Nov 2022 at 21:46, Tom Smyth <tom.sm...@wirelessconnect.eu> wrote: > Hello, Folks, > > Im reviewing our filesystem setup for OpenBSD CPEs that we deploy in the > field > > in order to minimise the impact of Power Outages / Customer interference > on the boxes, > we install a 4G root partition / > and a 2GB /usr/local (to allow the wxallowed flag for the filesystem) > > we use mfs for /tmp and /var so that there the probability that there is > a filessytem write to the SSD is reduced (so that power failures dont cause > file system corruption) > > we use the following fstabl > > #########begin /etc/fstab/########### > /dev/sd0a / ffs rw 1 1 > /dev/sd0d /usr/local ffs rw,wxallowed,nodev 1 1 > swap /tmp mfs rw,nosuid,noexec,nodev,-s=256000,-P=/persist-fs/tmp 0 0 > swap /var mfs rw,nosuid,noexec,nodev,-s=512000,-P=/persist-fs/var 0 0 > swap /dev mfs rw,nosuid,noexec,-P=/persist-fs/dev,-i=2048,-s=102400 0 0 > #########end /etc/fstab/########### > > and the persist-fs folders are created by installing OpenBSD, installing > packages and running > the following commands to copy /var /tmp and /dev to a persistent location > on / > ###setup commands ############# > mkdir -p /persist-fs/dev > mkdir -p /persist-fs/tmp > mkdir -p /persist-fs/var > cp -Rp /var/* /persist-fs/var > cp -Rp /tmp/* /persist-fs/tmp > cp -p /dev/MAKEDEV /persist-fs/dev/ > cd /persist-fs/dev/ > /persist-fs/dev/MAKEDEV all > > any feedback welcome, are there other folders that could be heavily > written to ? > is there shortcommings I have ommited swap (because of flash and ssd wear > concerns) > I hope this helps... > Tom Smyth > > > -- > Kindest regards, > Tom Smyth. > -- Kindest regards, Tom Smyth.
