/ slice too small
malcolm.kay at internode.on.net
Thu Mar 4 02:57:08 UTC 2010
On Mon, 1 Mar 2010 08:44 am, krad wrote:
> On 28 February 2010 15:42, Elias Chrysocheris
<eliaschr at cha.forthnet.gr>wrote:
> > On Sunday 28 of February 2010 15:26:54 Frank Shute wrote:
> > > I've got a machine here running 7.2 which I want to
> > > upgrade to 8.0 but looking at the root slice it is
> > > woefully small:
> > >
> > > $ df -h
> > > Filesystem Size Used Avail Capacity Mounted on
> > > /dev/ad4s2 190M 146M 29M 84% /
> > > devfs 1.0K 1.0K 0B 100% /dev
> > > /dev/ad4s4 129G 15G 104G 12% /usr
> > > devfs 1.0K 1.0K 0B 100%
> > > /var/named/dev
> > >
> > > I've got a CD/DVD writer on that machine along with a
> > > 100MB ethernet connection to my desktop.
> > >
> > > How do I go about upgrading it? Dump/restore and change
> > > the partition table?
> > >
> > > Any suggestions gratefully received.
> > >
> > >
> > > Regards,
> > Yes. The dump/restore should do the trick as long as you
> > have another medium
> > to store the dumps (such as another hard disk). You will
> > store the images of
> > your slices to the new medium using dump(8). You can then
> > use FixIt console to
> > re-partition and re-slice your hard disk and then restore(8)
> > your images in the newly sliced hard disk. Actually, if you
> > have another hard disk device, you can use piped
> > dump/restore to copy the whole system from one disk to the
> > other and make the second one your bootable disk. Of course
> > you must have sliced the second device first.
> > I've done this many times. The first was to remove an
> > openSUSE partition I had,
> > living in the same hard disk as my FreeBSD. The second time
> > was to move my FreeBSD to another hard disk (physical
> > device). The new disk became my boot disk.
> > The third time was to move my system to another bigger hard
> > disk device and at
> > the same time be formated as ZFS.
> > Now my system boots from this third hard disk device, having
> > ZFS and the operating system is the same as that I first
> > installed (of cource updated...)
> > Elias
> > _______________________________________________
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> You might well find it easier to use rsync rather than dump.
> Just make sure you use the following flags
> rsync -aHP --numeric-ids
To preserve extended flags set with chflags you also need
and the fileflags patch enabled on installing rsync.
For example look at:
#ls -lo /var
and note flag on empty.
> I use it in our backup setup at work, and have restored
> countless freebsd boxes.
> When you repartition the drive remember to add the boot blocks
> fdisk -B ad0
> bsdlabel -B ad0s1
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