> When I print a partition, does the backup space have any special
> significance?.

In general, no.  It's the default that slice 2 encompass all the blocks
on the disk.  But it's only a default.

> I want to know if the "backup" space is available to me since I do not
> see backup as a filesystem if I do a df

All the blocks on the disks are available to you in some sense.  But you
cannot usefully assign a block to more than one slice and put data on
both slices.

> 0 root wm 0 - 4161 2.00GB (4162/0/0) 4195296
> 1 var wm 4162 - 5584 700.38MB (1423/0/0) 1434384
> 2 backup wm 0 - 39532 19.00GB (39533/0/0) 39849264
> 3 swap wu 5585 - 6625 512.37MB (1041/0/0) 1049328
> 4 usr wm 6626 - 14948 4.00GB (8323/0/0) 8389584
> 5 unassigned wm 14949 - 21190 3.00GB (6242/0/0) 6291936
> 6 home wm 21191 - 39531 8.82GB (18341/0/0) 18487728
> 7 unassigned wm 0 0 (0/0/0) 0

You can't write to slice 2 without overwriting data on other slices,
since they overlap.

Best is to leave slice 2 alone and make sure none of the other slices
overlap without good reason.

A quick glance suggests to me that all your cylinders are assigned to a
slice other than slice 2 except for the last cylinder on disk: 39532.
That's about half a megabyte that you could put in its own slice or add
to the ned of home(slice6).  Probably not big enough to worry about.

-- 
Darren Dunham                                           [EMAIL PROTECTED]
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
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