I am trying to mirror an existing zpool on OpenSolaris 2009.06. I think
I need to delete two alternate cylinders...
The existing disk in the pool (c7d0s0):
Part Tag Flag Cylinders Size Blocks
0 root wm 1 - 19453 149.02GB (19453/0/0) 312512445
1 unassigned wm 0 0 (0/0/0) 0
2 backup wu 0 - 19453 149.03GB (19454/0/0) 312528510
3 unassigned wm 0 0 (0/0/0) 0
4 unassigned wm 0 0 (0/0/0) 0
5 unassigned wm 0 0 (0/0/0) 0
6 unassigned wm 0 0 (0/0/0) 0
7 unassigned wm 0 0 (0/0/0) 0
8 boot wu 0 - 0 7.84MB (1/0/0) 16065
9 unassigned wm 0 0 (0/0/0) 0
The new disk, which was a zpool before I destroyed that pool:
Part Tag Flag Cylinders Size Blocks
0 unassigned wm 0 0 (0/0/0) 0
1 unassigned wm 0 0 (0/0/0) 0
2 backup wu 0 - 19453 149.03GB (19454/0/0) 312528510
3 unassigned wm 0 0 (0/0/0) 0
4 unassigned wm 0 0 (0/0/0) 0
5 unassigned wm 0 0 (0/0/0) 0
6 unassigned wm 0 0 (0/0/0) 0
7 unassigned wm 0 0 (0/0/0) 0
8 boot wu 0 - 0 7.84MB (1/0/0) 16065
9 alternates wm 1 - 2 15.69MB (2/0/0) 32130
Format won't let me remove the two cylinders from slice 9:
partition> 0
Part Tag Flag Cylinders Size Blocks
0 unassigned wm 0 0 (0/0/0) 0
Enter partition id tag[unassigned]: root
Enter partition permission flags[wm]:
Enter new starting cyl[3]: 1
Enter partition size[0b, 0c, 1e, 0.00mb, 0.00gb]: 19453c
Warning: Partition overlaps alternates partition. Specify different
start cyl.
partition> 9
`9' is not expected.
How can I delete the alternate cylinders, or otherwise mirror c7d1 to
c7d0? Or can I safely use c7d0s2?
Thanks,
--JeffV
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