SUMMARY: root file system

Thanks a lot to all those who spared their time to help me. Most of you seemed
to suggest file growth in the root file system and you where correct. A file,
0n (which I thought and beleave could have been linked the /devices) was
keeping growing in the /dev/rmt directory as 0n. This file was growing after
each backup taken and I am still wondering why and how could it happen. As it
is a different issue altogether, if there is a quick respond from anyone of
you, it is wellcome. At the moment I will cool down and look at the new mistry
carefully and as time permits.
Thanks again for all quick responds which I received.

My orginal request was as:

My root file system is full and I was trying to find out whether I could
extend it somehow, but I could not find a way to do so. Does anyone out
there
know how I can go about it without, backing the system to tape, reorganise
the
file system and restore the system. For a much clear understanding of where
I
have bungled I have included the df output and a cut off from the format
output. Links to appropriate documentation is well come.

Please note that my disk was fully partioned.



Filesystem            kbytes    used   avail capacity  Mounted on
/dev/dsk/c1t0d0s0    1988887 1968990       0   100%    /
/dev/dsk/c1t0d0s3    5046030 1644689 3350881    33%    /usr
/proc                      0       0       0     0%    /proc
mnttab                     0       0       0     0%    /etc/mnttab
fd                         0       0       0     0%    /dev/fd
/dev/dsk/c1t0d0s4    5046030  516898 4478672    11%    /var
swap                 15647968      40 15647928     1%    /var/run
swap                 15648272     344 15647928     1%    /tmp
/dev/dsk/c1t1d0s7    70592505 5230381 64656199     8%    /oracle
/dev/dsk/c1t0d0s5    5046030 2948396 2047174    60%    /opt
/dev/dsk/c1t0d0s7    41332195 4824315 36094559    12%    /export/home




Part      Tag    Flag     Cylinders         Size            Blocks
  0       root    wm    2415 -  2817        1.96GB    (403/0/0)     4100928
  1       swap    wu       0 -  2414       11.72GB    (2415/0/0)   24575040
  2     backup    wm       0 - 14086       68.35GB    (14087/0/0) 143349312
  3        usr    wm    4832 -  5838        4.89GB    (1007/0/0)   10247232
  4        var    wm    3825 -  4831        4.89GB    (1007/0/0)   10247232
  5 unassigned    wm    2818 -  3824        4.89GB    (1007/0/0)   10247232
  6 unassigned    wm       0                0         (0/0/0)             0
  7       home    wm    5839 - 14086       40.02GB    (8248/0/0)   83931648
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