ZFS on top of GELI / Intel Atom 330 system

[Dan Naumov]

Hi

Since you are suggesting 2 x 8GB USB for a root partition, what is
your experience with read/write speed and lifetime expectation of
modern USB sticks under FreeBSD and why 2 of them, GEOM mirror?

- Dan Naumov



> Hi Dan,
>
> everybody has different needs, but what exactly are you doing with 128GB
> of / ? What I did is the following:
>
> 2GB CF card + CF to ATA adapter (today, I would use 2x8GB USB sticks,
> CF2ATA adapters suck, but then again, which Mobo has internal USB ports?)
>
> Filesystem             1024-blocks      Used    Avail Capacity  Mounted on
> /dev/ad0a                   507630    139740   327280    30%    /
> /dev/ad0d                  1453102   1292296    44558    97%    /usr
> /dev/md0                    253678        16   233368     0%    /tmp
>
> /usr is quite crowded, but I just need to clean up some ports again.
> /var, /usr/src, /home, /usr/obj, /usr/ports are all on the GELI+ZFS
> pool. If /usr turns out to be to small, I can also move /usr/local
> there. That way booting and single user involves trusty old UFS only.
>
> I also do regular dumps from the UFS filesystems to the ZFS tank, but
> there's really no sacred data under / or /usr that I would miss if the
> system crashed (all configuration changes are tracked using mercurial).
>
> Anyway, my point is to use the full disks for GELI+ZFS whenever
> possible. This makes it more easy to replace faulty disks or grow ZFS
> pools. The FreeBSD base system, I would put somewhere else.