September 13, 2013 \ Ananth TM Capacity Planning for Datastage You plan the use of disk, volume group, and file system resources to create an optimal operating environment for IBM® Information Server. As part of capacity planning for your installation, you must size your file systems and databases to accommodate your anticipated needs. After the installation, you must continue to monitor these file systems to ensure that sufficient space is available. RAID configuration SAN configuration Attention: If the file system runs out of space, IBM Information Server stops functioning correctly. The capacity planning should include the capacity requirements for the plug-ins installed separately if any.