Host Attachment Overview - IBM DS8882F Introduction And Planning Manual

It is not recommended to replace a drive unless an error is generated indicating
that service is needed.

Host attachment overview

The storage system provides various host attachments so that you can consolidate
storage capacity and workloads for open-systems hosts and IBM Z.
The storage system provides extensive connectivity using Fibre Channel adapters
across a broad range of server environments.
Host adapter intermix support
The DS8882F model 983 provides only 4-port 16 Gbps host adapters, and a
maximum of 16 ports is available.
DS8882F model 983
The following table shows the host adapter plug order.
Table 9. Plug order for 4-port HA slots for the I/O enclosure
Host adapter pair
First host adapter pair
(required feature code
3354)
Second host adapter
pair (optional feature
code 3454)
Open-systems host attachment with Fibre Channel adapters
You can attach a storage system to an open-systems host with Fibre Channel
adapters.
The storage system supports SAN speeds of up to 16 Gbps with the current 16
Gbps host adapters. The storage system detects and operates at the greatest
available link speed that is shared by both sides of the system.
Fibre Channel technology transfers data between the sources and the users of the
information. Fibre Channel connections are established between Fibre Channel
ports that reside in I/O devices, host systems, and the network that interconnects
them. The network consists of elements like switches, bridges, and repeaters that
are used to interconnect the Fibre Channel ports.
FICON attached IBM Z hosts overview
The storage system can be attached to FICON attached IBM Z host operating
systems under specified adapter configurations.
Each storage system Fibre Channel adapter has four ports. Each port has a unique
worldwide port name (WWPN). You can configure the port to operate with the
FICON upper-layer protocol.
With Fibre Channel adapters that are configured for FICON, the storage system
provides the following configurations:
v Either fabric or point-to-point topologies
v A maximum of 509 logins per Fibre Channel port
v A maximum of 8,192 logins per storage system
Slot number
C3 C4
1
2
C5 C6
2
1
Chapter 2. Hardware features
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