Preparing for Installation › Storage Requirements › Sizing Host Encyclopedia › DASD Requirements

DASD Requirements

The Host Encyclopedia requires a minimum of 650 3390 cylinders. Of that total, 350 cylinders are for the Host Encyclopedia and 300 cylinders are for CA Gen software libraries.

You can control the amount of DB2 DASD by allocating for a small or medium size Host Encyclopedia. For better performance, you should allocate the tables and indexes across 3 to 6 volumes.

The number of 4 KB pages for a small Host Encyclopedia is:

Many installations put all Host Encyclopedia data sets on the same volume, but relocate the high-use tablespaces and indexes to separate volumes.