1. There is a need to increase the size of the Lock Table on NCR Unix SVR4 Systems running Charisma.
   
   
2. The FLCKREC value needs to be set to 1500.
   
   
3. Before attempting to tune the kernel of any system ensure that the user has fully verified securities of all Unix and UniVision applications and data installed on their system.

Ask the user to log all the users off and ensure all processes are at the Unix logon prompt.

In root, on the system console, enter init 1 <CR>.

This will initialise the system into the single user mode.

Before modifying the tunable parameters the following should be copied to preserve the current configuration.

£ cp /stand/unix /stand/unix.copy. <CR>

£ cp /etc/conf/cf.d/stune /etc/conf/cf.d/stune.old <CR>

4. Before altering any parameters it is necessary to ensure that the maximum permissible parameter for:

UFSNINODE, MAXUP, NPROC

will not be exceeded by the new values you may have to enter. To do this it is necessary to use the Unix editor vi. Below is a precis of vi commands.

1. The 'H' key moves the cursor to the LEFT
2. The 'L' key moves the cursor to the RIGHT
3. The 'K' key moves the cursor UPWARDS
4. The 'J' key moves the cursor DOWNWARDS
5. The 'R' key replaces until the 'ESC' key is pressed (note this is a CAPITAL R i.e. SHIFT/R)
6. The 'ESC' key will put you into command mode
7. 'SHIFT/;' will display the colon mark ':'
8. 'q!' at the colon mark exits without change
9. 'wq' will write and quit the current file
   
   
5. To view the maximums and ensure that they are correctly configured enter:-

£ vi +/NPROC /etc/conf/cf.d/mtune <CR>

Observe the 3^rd value to the right of NPROC. If it is lower than the value required in section 2 of this document then use the L key to position the cursor at the 3^rd value. Enter shift R then the new value for NPROC. Enter ESC.: (Colon).

To save the changes and exit the editor enter wq <CR>.

Enter

£ vi +/MAXUP /etc/conf/cf.d/mtune <CR>

and repeat the above.

£ vi +/UFSNINODE /ETC/CONF/CF.D/MTUNE <CR>

and repeat the above.

6. To enter the new values for the parameters in Para 2 enter:

£ /etc/conf/bin/idtune - = FLCKREC 1500 <CR>

7. Once the new value has been entered it is necessary to rebuild the kernel to incorporate this new value.

£ /etc/conf/bin/idbuild <CR>

This will take a few minutes to complete.

If the build fails to contact Operating System Support ASAP.

If the build completes then to enable the new kernel enter:

£ shutdown -y -go -i6 <CR>

The system will shutdown and reboot automatically.

8. Finally, enter the new values in the system on site document.

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