On Thu, 15 Oct 2009 00:38:03 +0200
Polytropon <free...@edvax.de> wrote:
> On Wed, 14 Oct 2009 23:04:51 +0400, Arkady Tokaev
> <tok...@hotmail.com> wrote:
> > While I was trying to update ports I have received message
> > about absence disk space.It's impossible, I thought.But df
> > command said:
> > $ df -h
> > Filesystem Size Used Avail Capacity Mounted on
> > /dev/ad0s1a 23G 3.5G 18G 16% /
> > devfs 1.0K 1.0K 0B 100% /dev
> > /dev/md0 9.4M 2.8M 6.5M 30% /etc
> > /dev/md1 31M 16M 13M 55% /usr/local/etc
> > /dev/md2 19M 18K 19M 0% /root
> > /dev/md3 31M 6.1M 24M 20% /var
> > $
> > What is the md devices?How I can remove them?
> See "man md": The md devices refer to memory disks, RAM that
> "emulates" a hard disk.
> Sadly, I don't recognize a reason why your /etc, /usr/local/etc,
> /root and /var subtrees are mounted onto memory disks... seems
> that you're not running a default install, do you?
I would imagine that they're vnode md devices that each have a file on
the root filesystem as a backing store. I've never tried it myself but
you could do this as an alternative to conventional partitioning.
It's a little less efficient, but they can be resized. I'm not aware
that sysinstall can install like this though - perhaps it's pc-bsd or
There should lines like mdconfig_md0="..." defining the devices in
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