We are running TSM 4.2.2.0 on OS390/2.10 and we are in the process of replacing our mod 3 dasd with mod 9's.
Currently I have a disk storagepool with a mixture of mod 3 and mod 9 dasd volumes, however when I define my dasd storage pool volumes I sized them as mod 3. I also have my database volumes broken in to mod 3 size volumes if they reside on a mod 9. My question is will I see a performance issue if I resize all of my storage pool volumes and database volumes to a full mod 9 in size?
