Date: Sun, 31 May 2009 19:28:51 +0300 From: Dan Naumov <dan.naumov@gmail.com> To: uqs@spoerlein.net, freebsd-stable@freebsd.org Subject: Re: ZFS on top of GELI / Intel Atom 330 system Message-ID: <cf9b1ee00905310928q6391408dg48101adac287cc80@mail.gmail.com> In-Reply-To: <20090531160533.GF18676@acme.spoerlein.net> References: <cf9b1ee00905290119w5eea0bfmd018d1c1282ac310@mail.gmail.com> <20090531160533.GF18676@acme.spoerlein.net>
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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 =A0 =A0 =A0 =A0 =A0 =A0 1024-blocks =A0 =A0 =A0Used =A0 =A0Ava= il Capacity =A0Mounted on > /dev/ad0a =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 507630 =A0 =A0139740 =A0 32= 7280 =A0 =A030% =A0 =A0/ > /dev/ad0d =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A01453102 =A0 1292296 =A0 =A04= 4558 =A0 =A097% =A0 =A0/usr > /dev/md0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0253678 =A0 =A0 =A0 =A016 = =A0 233368 =A0 =A0 0% =A0 =A0/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.
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