disktab on OpenBSD

Shell:/etc >: cat disktab
#       $OpenBSD: disktab,v 1.19 2006/10/04 01:04:22 krw Exp $

# Disk geometry and partition layout tables.
# Key:
#    dt    controller type
#    ty    type of disk (fixed, removable, simulated)
#    d[0-4]    drive-type-dependent parameters

...

# a == root
# b == swap
# c == whole disk
# e == /var
# f == scratch
# h == /usr

cp3100new|Conner Peripherals 100MB IDE, with a different configuration:\
    :dt=ST506:ty=winchester:se#512:nt#8:ns#33:nc#766: \
    :pa#15840:oa#0:ta=4.2BSD:ba#4096:fa#512: \
    :pb#24288:ob#15840:tb=swap: \
    :pc#202224:oc#0: \
    :pe#15840:oe#40128:te=4.2BSD:be#4096:fe#512: \
    :pg#15840:og#55968:tg=4.2BSD:bg#4096:fg#512: \
    :ph#130416:oh#71808:th=4.2BSD:bh#4096:fh#512:

...

f == scratch 我的f装成home区了:

Shell:/etc >: df
Filesystem     Size    Used   Avail Capacity iused   ifree  %iused  Mounted on
/dev/sd0a     97.9M   43.2M   49.9M    46%    2462   13536    15%   /
/dev/sd0f     22.6G    5.3G   16.2G    24%  142269 2897857     5%   /home
/dev/sd0d     1005M   20.0K    955M     0%      37  155865     0%   /tmp
/dev/sd0g     34.5G    6.5G   26.2G    20%  354107 4271043     8%   /usr
/dev/sd0e     1005M   70.6M    884M     7%    2891  153011     2%   /var
procfs         397M    241M      0B   100%      74   65461     0%   /proc
/dev/sd0i     19.5G    9.8G    9.7G    50%   89632 10154708     1%   /mnt/c
/dev/sd0j     30.1G   20.3G    9.8G    67%   57920 10282504     1%   /mnt/d
Shell:/etc >: