User`s guide

Chapter 1. Implementing Fibre Channel host adapter cards 47
set maxphys=8388608
If you are using Veritas volume manager on the ESS LUNs, you must set the
VxVM max I/O size parameter (vol_maxio) to match the maxphys parameter.
If you set the maxphys parameter to 8388608, add the following line to the
/etc/system file to also set the VxVM I/O size to 8 MB:
set vxio:vol_maxio=16384
1.10 Windows NT 4.0 FC host system attachment
In this topic we tell you how to attach an ESS to a Windows NT host system with
the following Fibre Channel adapters.
򐂰 QLogic QLA2100F adapter card
򐂰 QLogic QLA2200F adapter card
򐂰 Emulex LP8000 adapter card
This topic also tells you how to install, download, and configure the adapter
cards.
1.10.1 Attachment requirements
This section lists the requirements for attaching the ESS to your host system:
򐂰 Check the LUN limitations for your host system.
򐂰 Ensure that you have the documentation for your host system and the
IBM Enterprise Storage Server User’s Guide (the User’s Guide is on the
compact disc that you receive with the ESS).
򐂰 See the following Web site for details about the release level for your
operating system:
www.storage.ibm.com/hardsoft/products/ess/supserver.htm
Either you or an IBM SSR must perform the following tasks to install and
configure an ESS.
1. The IBM SSR installs the ESS by using the procedures in the IBM Enterprise
Storage Server Service Guide
2. Either you or an IBM SSR defines the Fibre Channel host system with the
worldwide port name identifiers.