TITLE    : Instructions for deleting and re-creating /var
OS LEVEL : AIX 3.2.5
DATE     : 15/02/99
VERSION  : 1.0

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1, Create a mksysb tape
2, Backup /var onto another tape using 

   tar -cvf /dev/rmt0 /var/*

3, Insert mksysb tape into tape drive, put the key switch into service
   mode, and reboot the system using 

   shutdown -Fr

4, Press 1 and return at the prompt to define the system console
5, Press 4 and return at the prompt to start a limited maintenance shell
6, At the shell prompt import rootvg from hdisk0 using 

   getrootfs hdisk0

7, Check that /var is mounted using df
8, Unmount the /var filesystem using 

   umount /var

9, Remove the /var filesystem and logical volume using 

   rmfs /var

10, Write to disk and reboot using 

    sync;sync;sync;reboot

    Ensure that the mksysb tape is still in the tape drive and the
    key is still set to service mode.

11, Press 1 and return at the prompt to define the system console
12, Press 4 and return at the prompt to start a limited maintenance shell
13, At the shell prompt import rootvg from hdisk0 using 

    getrootfs hdisk0

14, Check that /var has been removed using df
15, Create a new logical volume using 

    mklv rootvg 4 hdisk0

16, Rename the new logical volume to hd9var using 
 
    chlv -n hd9var lv??

17, Create a filesystem on the new logical volume using

crfs -v jfs -d hd9var -m /var -A yes -a check=false -a free=false -a vol=/var

This should report :- New file system size is 32768

18, Mount the new filesystem using /var
19, Change the permissions of the new filesystem using

    chmod 755 /var
    chown bin /var
    chgrp bin /var

20, Restore the /var filesytem from tape using

    chdev -l rmt0 -a block_size=0
    tar -xvf /dev/rmt0

21, Write to disk and reboot using 

    sync;sync;sync;reboot