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I'm sure its not blessed, but another process to maximize the zfs space
on a system with few disks is
1) boot from SXCR http://www.opensolaris.org/os/downloads/on/
2) select "min install" with
512M /
512M swap
rest /export/home
use format to copy the partition table from disk0 to disk1
umount /export/home
zpool create -f zfs c1t0d0s7 c1t1d0s7
zfs create zfs/usr
zfs create zfs/var
zfs create zfs/opt
cd /zfs
ufsdump 0fs - 999999 /usr /var | ufsrestore -rf -
mkdir var/run
zfs set mountpoint=legacy zfs/usr
zfs set mountpoint=legacy zfs/var
zfs set mountpoint=legacy zfs/opt
vi /etc/fstab ; echo adding these lines:
/dev/dsk/c1t0d0s0 /dev/rdsk/c1t0d0s0 / ufs 1 no -
/dev/dsk/c1t0d0s1 - - swap - no -
/dev/dsk/c1t1d0s1 - - swap - no -
zfs/usr - /usr zfs - yes -
zfs/var - /var zfs - yes -
zfs/opt - /opt zfs - yes -
cd /
bootadm update-archive
mkdir nukeme
mv var/* nukeme
mv usr/* nukeme
power cycle as there is no reboot :-)
rm -rf /nukeme
note there isn't enough space for a crashdump but there
is space for a backup of root on c1t1d0s0
if you want bfu from here to get the slower debug bits
but an easy way to get /usr/ucb
pkgadd SUNWadmc SUNWtoo SUNWpool SUNWzoner SUNWzoneu
pkgadd SUNWbind SUNWbindr SUNWluu SUNWadmfw SUNWlur SUNWluzone
echo "set kmem_flags = 0x0" >> /etc/system
touch /usr/lib/dbus-daemon
chmod 755 /usr/lib/dbus-daemon
grab build-tools and on-bfu from
http://dlc.sun.com/osol/on/downloads/current/
vi /opt/onbld/bin/bfu
to remove the fastfs depend and path it out as /opt/onbld/bin/`uname
-p`/fastfs
and change the remote acr to /opt/onbld/bin/acr
vi /opt/onbld/bin/acr
path out /usr/bin/gzip
I've been fighting an issue that after an hr I can ping the default
router but packets never get forward to the default route.. fails
with either e1000g0 or bge0 and an ifconfig down ; ifconfig up
fixes it for another hr or so.
http://bugs.opensolaris.org/view_bug.do?bug_id=6523767
in opensol-20070312 didn't fix it either. sigh..
Rob
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