SUMMARY: Restoring a normal VTOC after zfs has been on the disk

From: Markus Mayer (mymaillists@gmx.at)
Date: Tue Aug 14 2007 - 06:41:02 EDT


Thanks to Richard S. who answered immediately and got me on track again:

run:-
format -e
then:-
Format > label
[0] SMI label
[1] EFI label

Select SMI ;-)

On Tuesday 14 August 2007, Markus Mayer wrote:
> Hi all,
>
> I have a system that I need to reinstall and the disks in the machine were
> previously used with full disk zfs partitions. Now I need to restore a
> normal VTOC so the installer can install Solaris on the disk, however this
> seems to not be possible. A disk format didn't change anything, and
> various attempts with fdisk return only the error message "Cannot get disk
> label geometry".
>
> Does anyone know how I can restore the disk to a normal partition table?
>
> regards
> Markus
>
>
> What I have now:
> partition>
> Current partition table (original):
> Total disk sectors available: 286722911 + 16384 (reserved sectors)
>
> Part Tag Flag First Sector Size Last Sector
> 0 usr wm 34 136.72GB 286722911
> 1 unassigned wm 0 0 0
> 2 unassigned wm 0 0 0
> 3 unassigned wm 0 0 0
> 4 unassigned wm 0 0 0
> 5 unassigned wm 0 0 0
> 6 unassigned wm 0 0 0
> 8 reserved wm 286722912 8.00MB 286739295
>
> What I want to get back to is something like this:
> partition> Current partition table (original):
> Total disk cylinders available: 14087 + 2 (reserved cylinders)
>
> Part Tag Flag Cylinders Size Blocks
> 0 root wm 825 - 1855 10.01GB (1031/0/0) 20982912
> 1 swap wu 0 - 824 8.01GB (825/0/0) 16790400
> 2 backup wm 0 - 14086 136.71GB (14087/0/0) 286698624
> 3 unassigned wm 1864 - 1928 645.94MB (65/0/0) 1322880
> 4 unassigned wm 1929 - 2032 1.01GB (104/0/0) 2116608
> 5 unassigned wm 2033 - 14086 116.98GB (12054/0/0) 245323008
> 6 unassigned wm 1860 - 1863 39.75MB (4/0/0) 81408
> 7 unassigned wm 1856 - 1859 39.75MB (4/0/0) 81408
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