New Features; Fcip Enhancements - HP StorageWorks 1606 - Extension SAN Switch Release Note

Hp storageworks fos 6.3.0b release notes (5697-0360, april 2010)
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Update recommendation
All products supported by FOS 6.0.x can be upgraded to FOS 6.3.0b, with the exception of the
following switches:
HP StorageWorks 4/8 SAN Switch
HP StorageWorks 4/16 SAN Switch
Brocade 4Gb SAN Switch for HP p-Class BladeSystem
Brocade 4Gb SAN Switch for HP c-Class BladeSystem
If applicable, HP recommends that you upgrade to FOS 6.3.0b as soon as possible to take advantage
of the latest fixes and features.
For more information, see
Supersedes
FOS 6.3.0a, released October 2009

New features

This section describes new features introduced with FOS 6.3.0.

FCIP enhancements

FC traffic—Traffic can be transported over an IP network when the 1-GbE or 10-GbE ports are
configured to support FCIP. FOS 6.3.0 and later supports up to 20 FCIP tunnels on a DC SAN
Director Multiprotocol Extension Blade, and 8 FCIP tunnels on the 1606 Extension SAN Switch.
The FCIP tunnels on the local and remote GbE ports act as the Virtual E_Ports (VE_Ports), connecting
the local and remote fabrics. Performance is optimized for FCP and FICON traffic using batch-
ing/debatching operations on all data and command frames/IUs. This prevents fragmentation of
multiple 2,112-size FC frames (batch) into smaller IP frames, compared to single-frame exchanges
(for example, FC frame generators).
FCIP Trunking—This is a new feature available on the DC SAN Director Multiprotocol Extension
Blade and 1606 Extension SAN Switch that virtualizes two or more TCP connections as part of a
single FCIP tunnel. These connections, called circuits, are configured explicitly to be part of an
FCIP tunnel. Their primary purpose is to increase the tunnel bandwidth and provide failover paths
in the event of a network failure. FCIP Trunking functionality and the additional TCP connections
are transparent to the applications using the FCIP tunnel. FCIP Trunking requires the optional Ad-
vanced Extension license.
Advanced Compression—The 1606 Extension SAN Switch allows FC data frames to be compressed
on a per-tunnel basis before they are sent over the tunnel as FCIP frames. The FC command frames
and all frames generated from or destined for the CP are not compressed, even when compression
is enabled on a tunnel. The uncompressed and compressed packets and bytes are counted and
maintained on a per-tunnel basis. The compression ratio can be found for a given polling interval
by reading the number of compressed and uncompressed bytes. The compression is performed
by the hardware on a frame-by-frame basis, and is performed on FC data frames in the ingress
direction before they are encapsulated as FCIP frames.
"Firmware upgrades and
HP StorageWorks FOS 6.3.0b Release Notes
downgrades" on page 23.
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Storageworks fos 6.3.0b