Now that I'm successfully running a zfs root, I don't need my old usf root anymore, so it should be a simple matter of removing the old usf boot environment and increasing the size of the new zfs root pool.
Right? Well no actually, there seems to be a bug or 3.
# lustatus
Boot Environment Is Active Active Can Copy
Name Complete Now On Reboot Delete Status
-------------------------- -------- ------ --------- ------ ----------
snv_98 yes no no yes -
snv_102 yes yes yes no -
# ludelete snv_98
System has findroot enabled GRUB
Checking if last BE on any disk...
BE <snv_98> is not the last BE on any disk.
Updating GRUB menu default setting
Changing GRUB menu default setting to <3>
ERROR: Failed to copy file </boot/grub/menu.lst> to top level dataset for BE <snv_98>
ERROR: Unable to delete GRUB menu entry for deleted boot environment <snv_98>.
Unable to delete boot environment.
This is CR6718038/CR6715220/CR6743529. A quick workaround would be to edit /usr/lib/lu/lulib and replace the following in line 2937:
lulib_copy_to_top_dataset "$BE_NAME" "$ldme_menu" "/${BOOT_MENU}"
with
lulib_copy_to_top_dataset `/usr/sbin/lucurr` "$ldme_menu" "/${BOOT_MENU}"
then rerun the ludelete:
# ludelete snv_98
System has findroot enabled GRUB
Checking if last BE on any disk...
BE <snv_98> is not the last BE on any disk.
Updating GRUB menu default setting
Changing GRUB menu default setting to <3>
Saving existing file </boot/grub/menu.lst> in top level dataset for BE <snv_102> as <mount-point>//boot/grub/menu.lst.prev.
File </boot/grub/menu.lst> propagation successful
File </etc/lu/GRUB_backup_menu> propagation successful
Successfully deleted entry from GRUB menu
Determining the devices to be marked free.
Updating boot environment configuration database.
Updating boot environment description database on all BEs.
Updating all boot environment configuration databases.
Boot environment <snv_98> deleted.
#
Then I needed to remove the old usf boot and swap slices, old and new layout:
partition> print
Current partition table (original):
Total disk cylinders available: 12047 + 2 (reserved cylinders)
Part Tag Flag Cylinders Size Blocks
0 root wm 3 - 1962 15.01GB (1960/0/0) 31487400
1 swap wu 1963 - 2224 2.01GB (262/0/0) 4209030
2 backup wm 0 - 12046 92.28GB (12047/0/0) 193535055
3 unassigned wm 2225 - 4182 15.00GB (1958/0/0) 31455270
4 unassigned wu 0 0 (0/0/0) 0
5 unassigned wu 0 0 (0/0/0) 0
6 unassigned wm 4183 - 6793 20.00GB (2611/0/0) 41945715
7 home wm 6794 - 12046 40.24GB (5253/0/0) 84389445
8 boot wu 0 - 0 7.84MB (1/0/0) 16065
9 alternates wu 1 - 2 15.69MB (2/0/0) 32130
partition>
partition> print
Current partition table (original):
Total disk cylinders available: 12047 + 2 (reserved cylinders)
Part Tag Flag Cylinders Size Blocks
0 root wm 3 - 4182 32.02GB (4180/0/0) 67151700
1 unassigned wu 0 0 (0/0/0) 0
2 backup wm 0 - 12046 92.28GB (12047/0/0) 193535055
3 unassigned wu 0 0 (0/0/0) 0
4 unassigned wu 0 0 (0/0/0) 0
5 unassigned wu 0 0 (0/0/0) 0
6 unassigned wm 4183 - 6793 20.00GB (2611/0/0) 41945715
7 home wm 6794 - 12046 40.24GB (5253/0/0) 84389445
8 boot wu 0 - 0 7.84MB (1/0/0) 16065
9 alternates wu 1 - 2 15.69MB (2/0/0) 32130
partition>
The size of my pools before:
# zpool list
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
rootpool 15G 8.54G 6.46G 56% ONLINE -
tank 40G 5.65G 34.3G 14% ONLINE -
tank2 19.9G 652K 19.9G 0% ONLINE -
#
Then reboot, oops!!!
It just defaults to >grub prompt, because my old ufs slice held all the boot info and I just deleted that so it can't find any . . . but this is a simple process to restore (as long as you have a recent dvd image handy (so it can recongnise and mount the zfs pool).
Insert and boot from the dvd image, select single user mode.
Mount the rootpool as r/w on /a (it should prompt automatically for this).
At the command prompt, type:
installgrub /boot/grub/stage1 /boot/grub/stage2 /dev/rdsk/c2t1d0s0
then reboot. I love it when a plan comes together, pool sizes after the reboot:
# zpool list
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
rootpool 32G 8.54G 23.5G 26% ONLINE -
tank 40G 5.54G 34.5G 13% ONLINE -
tank2 19.9G 722K 19.9G 0% ONLINE -
#