The only diffrence between mksysb and the backup command is this.

mksysb Tape has 4 Sectors

BOS Boot Image
Blocksize=512

Witch holds: Kernel, Device Drivers

mkinsttape image
Bloksize=512

Witch holds: ./image.data, /tapeblksz, /bosinst.data, commands

dummy.toc
Blockzise=512

Witch holds: Dummy TOC (dosen´t do anything)

and last

Tape Drive BS

witch holds: rootvg data. (this data is exactly the same as you would use
the backup command)


Now the first 3 sectors canot be used when restoring TSM. you can however
backup this data with the DD command, but for what use?

what i am saying is this. the advantece of mksysb goes the minute you can´t
boot from the tape and you can´t boot a mksyb in TSM, becuase TSM handels
these 3 fist sectors as they where ordenary data.




Kvedja/Regards
Petur Eythorsson
Taeknimadur/Technician
IBM Certified Specialist - AIX
Tivoli Storage Manager Certified Professional
Microsoft Certified System Engineer

peddi AT itn DOT is

 Nyherji Hf              Simi TEL: +354-569-7700
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