or point-to-point topologies. With Fibre Channel adapters that are configured for FICON, the storage unit provides the following configurations:

￿Either fabric or point-to-point topologies

￿A maximum of 64 host ports for DS8100 Model 921 and a maximum of 128 host ports for DS8300 Models 922 and 9A2

￿A maximum of 2048 logical paths on each Fibre Channel port

￿Access to all 64 control-unit images (16,384 CKD devices) over each FICON port

8.4.4Where to get the updated information for host attachment

Due to frequent updates and changes of support information, always refer to the latest IBM DS8000 Interoperability Matrix at the following Web site for the details about types, models, adapters, and the operating systems that the storage unit supports:

http://www.ibm.com/servers/storage/disk/ds8000/interop.htm

Host systems attachment

Refer to the IBM TotalStorage DS8000 Host Systems Attachment Guide, SC26-7628, for detailed information on attaching servers to the DS8000 series.

Host adapters

For information about supported Fibre Channel HBAs and the recommended or required firmware and device driver levels for all IBM storage systems, you can visit the IBM HBA Search Tool site, sometimes also referred to as the Fibre Channel host bus adapter firmware and driver level matrix:

http://knowledge.storage.ibm.com/HBA/HBASearchTool

Additionally, review host adapter vendor documentation and Web pages to obtain information regarding host adapter configuration planning, hardware and software requirements, driver levels, and release notes.

ATTO:

http://www.attotech.com/

Emulex:

http://www.emulex.com/ts/dds.html

JNI:

http://www.jni.com/OEM/oem.cfm?ID=4

QLogic:

http://www.qlogic.com/support/oem_detail_all.asp?oemid=22

SAN Fabric products

Fabric product vendor documentation and Web pages should be reviewed to obtain information regarding configuration planning, hardware and software requirements, firmware and driver levels, and release notes.

IBM:

http://www.ibm.com/storage/ibmsan/products/sanfabric.html

152DS8000 Series: Concepts and Architecture

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IBM DS8000 manual Where to get the updated information for host attachment, Host systems attachment, SAN Fabric products