I am running DU 4.0 on a DEC 3000/800S.  I recently doubled the
memory to 256MB and wanted to increase swap.  I thought that I
would use the opportunity to increase the root partition from
64MB to 128MB.  The disk has partitions a (/), b (swap) and
g (AdvFS domain).  I used rmvol to get rid of g, booted from
the CD-ROM, marked a and b unused with disklabel -s, changed
the partition sizes and offsets, put '4.2BSD' and 'swap' back on
the disklabel and rebooted.  Everything is fine, except that
df -k / shows root as still only 64MB.  Is there anything I
can do to fix this (e.g. boot from CD, newfs /dev/rrz3a rz28b)
which won't destroy the information on the root partition?
Thanks for your help.
Peter
Peter Stern
Chemical Physics Department
Weizmann Institute of Science
76100 Rehovot, ISRAEL
email:  peter_at_wiscpa.weizmann.ac.il
phone:  972-8-9342096
fax:    972-8-9344123
Here's some output:
# disklabel -r /dev/rrz3c
# /dev/rrz3c:
type: SCSI
disk: RZ28B
label: 
flags:
bytes/sector: 512
sectors/track: 99
tracks/cylinder: 16
sectors/cylinder: 1376
cylinders: 2595
sectors/unit: 4110480
rpm: 5411
interleave: 1
trackskew: 13
cylinderskew: 22
headswitch: 0           # milliseconds
track-to-track seek: 0  # milliseconds
drivedata: 0 
8 partitions:
#        size   offset    fstype   [fsize bsize   cpg]
  a:   262144        0    4.2BSD     1024  8192     0   # (Cyl.    0 - 190*)
  b:  1310720   262144      swap                        # (Cyl.  190*- 1143*)
  c:  4110480        0    unused     1024  8192         # (Cyl.    0 - 2987*)
  d:        0        0    unused     1024  8192         # (Cyl.    0 - -1)
  e:        0        0    unused     1024  8192         # (Cyl.    0 - -1)
  f:        0        0    unused     1024  8192         # (Cyl.    0 - -1)
  g:  2537616  1572864    unused        0     0         # (Cyl. 1143*- 2987*)
  h:        0        0    unused        0     0         # (Cyl.    0 - -1)
# newfs -N rz3a
Warning: calculated sectors per cylinder (1584) disagrees with disk label (1376)
Warning: 800 sector(s) in last cylinder unallocated
/dev/rrz3a:     262144 sectors in 166 cylinders of 16 tracks, 99 sectors
        128.0MB in 11 cyl groups (16 c/g, 12.38MB/g, 3008 i/g)
super-block backups (for fsck -b #) at:
 32, 25488, 50944, 76400, 101856, 127312, 152768, 178224,
 203680, 229136, 254592,
# df -k /
Filesystem  1024-blocks        Used   Available Capacity  Mounted on
/dev/rz3a         63167       51090        5760    90%    /
# swapon -s
Swap partition /dev/rz3b (default swap):
    Allocated space:        81920 pages (640MB)
    In-use space:               1 pages (  0%)
    Free space:             81919 pages ( 99%)
Total swap allocation:
    Allocated space:        81920 pages (640MB)
    Reserved space:          6961 pages (  8%)
    In-use space:               1 pages (  0%)
    Available space:        74959 pages ( 91%)
Received on Fri Sep 26 1997 - 12:04:23 NZST