Showing posts with label Boot image. Show all posts
Showing posts with label Boot image. Show all posts

.SPEED UP BOOT BY DISABLING UNUSED PORTS


Many computers take a lot of time to boot (or start ).This is due to many reasons.


Some slight changes can do wonders for your system:


1. Press start->run then type msconfig and press enter.


Go to the startup tab. Here you will see a list of startup items. These are all the programs that automatically start when you boot your PC. It is these that slow down the boot up process.
                                 So uncheck all the unwanted items like ms-office, messengers other utilities that u may not need at startup). Don't uncheck your antivirus software.


Restart your Pc to and see for yourself, your pc will now boot faster....  
    
2. A great new feature in Microsoft Windows XP is the ability to do a boot defragment. This places all boot files next to each other on the disk to allow for faster booting. By default this option is enabled, but on some systems it is not, so below is the information on how to turn it on:


Go to Start Menu and Click Run
Type in regedit then click ok
Find "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Dfrg\BootOpt imizeFunction"
Select "Enable" from the list on the right
Right on it and select "Modify"
Change the value to Y .
Reboot your Pc and see the change yourself.

3.SPEED UP BOOT BY DISABLING UNUSED PORTS.!!
You may have tried many tweaks like modifying windows XP start-up applications, prefetches, unload DLLs method, etc. And yes those methods do work for me.
 I have just accidentally found out another 
way to give you an extra boost in windows XP's boot performance. 
This is done by disabling your unused devices in Device Manager.
 for example, if you don't have input devices that are connected
 to one of your USB's or COM ports, disabling them will give you 
an extra performance boost in booting. Go to Control Panel -> System -> Hardware tab -> device manager Disable devices that you don't use for your PC and then restart.

Configuring mksysb image on system backup tapes


Configuring mksysb image on system backup tapes
Use the mksysb command to ensure that the boot image, BOS Installation/Maintenance image, and the table of contents image are created with a tape block_size value of 512.
Bootable mksysb tapes comprise the following images:
·         Boot image
·         BOS Installation/Maintenance image
·         Table of contents image
·         System backup image
The system backup image is the actual backup of the files in the rootvg in all JFS-mounted file systems.
The boot image, BOS Installation/Maintenance image, and the table of contents image must be created with a tape block_size value of 512. The mksysb command ensures that the block size is 512 when these images are created. There are no restrictions on the block size used for the fourth (system backup image) on the tape. The block size of the system, before it was temporarily set to 512, is used for the fourth image on the tape.
The value of the block size must be saved in the /tapeblksz file in the second image on the tape. The second and fourth images are stored in backup/restore format. Again, mksysb ensures the correctness of the tapes created by using the mksysb command.
If there are problems with the bosinst.data file, the image.data file, or the tapeblksz file, these files can be restored from the second image on the tape and checked. These files, as well as commands necessary for execution in the RAM file system (when running in maintenance mode after booting from the tape), are stored in the second image.
Restoring a file from the second image or tape

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