Server hardware and software - LPAR

The server side of the 64-bit and 31-bit WebSphere® study with J2EE workloads used two LPARs, one for the WebSphere application server and one for the DB2® database server.

IBM® WebSphere Version 6.1 host and IBM DB2 Universal Database™ host

There are two LPARs on a 56-way IBM System z10™ Enterprise Class (z10 EC), 4.4 GHz, model 2097-E56. They are equipped as described in Table 1.
Table 1. Server hardware
LPAR Description
LPAR 1 for WebSphere Application Server
  • Between one and ten physical CPUs dedicated
  • 8 GB central storage
  • One 1 Gb OSA card for client connectivity on an isolated performance LAN
  • One 10 Gb OSA card for client connectivity, also on an isolated performance LAN
  • One 1 Gb OSA card for administration
  • HiperSockets™ connection to the DB2 UDB LPAR
LPAR 2 for DB2 database server
  • Four physical CPUs dedicated
  • 8 GB central storage
  • One 1 Gb OSA card for administration
  • HiperSockets connection enabled between WebSphere and DB2 UDB LPARs

Storage setup

The server side of the 64-bit and 31-bit WebSphere study with J2EE workloads used disks for the operating system, applications, and databases. The server storage is described in Table 2.
Table 2. Server storage
Disks Description
Operating system and applications on two Linux® host systems Four disks on an IBM DS8000® configured with 16 Logical Control Units (LCUs).
Database data disks and DB2 log files 41 ECKD™ mod 9 disks employed using Logical Volume Manager (LVM) with striping over 16 LCUs.

Server software

The server side of the 64-bit and 31-bit WebSphere study with J2EE workloads used software for the operating system and applications. The server software is described in Table 3.
Table 3. Server software
Product Version/Level
IBM DB2 Universal Database Enterprise Server Version 9.5 fixpack 1
Novell SUSE Linux Enterprise Server SLES 10, SP2 64-bit
Retailing customer workload N/A
WebSphere Application Server Version 6.1.0 fixpack 15, 64-bit and 31-bit