Santegrity Binding; Ficon Cascading; Protocol Lntermixing Best Practices - HP 316095-B21 - StorageWorks Edge Switch 2/24 Planning Manual

SANtegrity Binding

The SANtegrity Binding feature (including both fabric binding and switch
binding) allows the creation of reliable SAN configurations and provides a
mechanism for attached devices to query the user-configured security level
employed in a SAN. The feature significantly reduces the impacts of accidental or
operator-induced errors.
Fabric binding defines the directors and switches allowed to participate in a
fabric, thus preventing accidental fabric merges. Switch binding defines the
devices allowed to connect to directors and switches in a fabric, thus providing
additional security in SAN environments that must manage a large number of
devices. For additional information, refer to

FICON Cascading

FICON is most often deployed in SANs that have high data integrity and
reliability standards. However, the initial FICON architecture was limited to one
domain (i.e., a single-switch fabric), which creates severe distance and
connectivity limitations. These data standards and the requirement for FICON
fabrics in SANs led to protocol changes that support FICON cascading.
FICON cascading allows an IBM eServer zSeries processor to communicate with
other zSeries processors or peripheral devices (such as disks, tape libraries, or
printers) through a fabric consisting of two or more FICON directors or switches.
Cascaded FICON fabrics also provide high end-to-end data integrity to ensure
changes to a data stream are always detected and rectified, and that data is always
delivered to the correct fabric end point. For additional information, refer to
"FICON
A related feature to consider is the announcement of FCP support for IBM eServer
zSeries processors. This development accelerates the requirement for intermix
protocol fabrics, because primary processors now support both FICON and FCP.

Protocol lntermixing Best Practices

The release of firmware version 6.0 and the related HAFM application simplifies
the deployment of protocol intermixed SANs. The single-switch operating mode
is eliminated, and the Element Manager graphical user interface (GUI) provides
an open systems or FICON management style. Users can toggle between
management styles with the director or switch online.
SAN High Availability Planning Guide
Cascading" on page 124.
Planning Considerations for Fibre Channel Topologies
"SANtegrity Binding" on page 148.
115