HP 1606 HP B-series Fabric OS 6.4.1b Release Notes (5697-0886, March 2011-incl - Page 32

FL_Port (loop) support, Port Mirroring, 10G interoperability, Port Fencing

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Table 6 Information for FICON environments (continued) Traffic Isolation Zones Traffic Isolation Zones Enable Lossless DLS when activating Traffic Isolation (TI) Zones to avoid any traffic disruption. Traffic Isolation (TI) Zoning with FICON supports enabling or disabling of the failover option. Seek assistance from service support before attempting to enable this feature. Table 7 Recommended fencing criteria Criteria ITW (Invalid Transmission Words) CRC (Cyclical Redundancy Check) LOS (Loss of Sync) Protocol errors Value 25 3 2 2 FL_Port (loop) support • The 8Gb 48-port and 64-port Fibre Channel blades now support the attachment of loop devices in the DC SAN Backbone Director and DC04 SAN Director. • VF must be enabled on the chassis, and loop devices can be attached only to ports on a 48-port or 64-port blade assigned to a nondefault logical switch operating with the default 10-bit addressing mode. (Loop devices may not be in the default logical switch.) • A maximum of 144 ports can be used for connectivity to loop devices in a single logical switch in a DC04 SAN Director in 10-bit dynamic area mode. A maximum of 112 ports can be used for connectivity to loop devices in a single logical switch in a DC SAN Backbone Director in 10-bit dynamic area mode. • Loop devices are supported when attached to ports on the 8Gb and 4Gb 16- and 32-port Fibre Channel blades, with no new restrictions. Port Mirroring • On the 8/80 SAN Switch, the Port Mirroring feature has a limitation where all port mirror resources must remain in the same ASIC port group. The resources are the configure mirror port, Source Device, and Destination Device or ISL, if the Destination Device is located on another switch. The ASIC port groups are 0-15, 16-31, 32-47, 48-63, and 64-79. The routes are broken if the port mirror resources are spread over multiple port groups. • Port Mirroring is not supported on the 1606 Extension SAN Switch. • See the portMirror command in the Command Reference Guide for more information on mirror port configuration and requirements. 10G interoperability 10G interoperability between the HP StorageWorks SAN Director 6 Port 10Gb FC Blade and McDATA blades is not supported due to a hardware limitation. However, the SAN Director 6 Port 10Gb FC Blade is supported in a chassis running in interopmode 2 or 3 (SAN Director 6 Port 10Gb FC Blade to SAN Director 6 Port 10Gb FC Blade connections only). A SAN Director 6 Port 10Gb FC Blade does not synchronize with a McDATA 10Gb blade, but this does not negatively impact the system. Port Fencing • The state-changes counter used by Fabric Watch in Fabric OS 6.3 has been updated to ignore any toggling of F_Ports due to planned internal mechanisms, such as throttling and trunking. 32

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Table 6 Information for FICON environments
(continued)
Enable Lossless DLS when activating Traffic Isolation (TI) Zones to avoid any traffic disruption.
Traffic Isolation
Zones
Traffic Isolation (TI) Zoning with FICON supports enabling or disabling of the failover option. Seek
assistance from service support before attempting to enable this feature.
Traffic Isolation
Zones
Table 7 Recommended fencing criteria
Value
Criteria
25
ITW (Invalid Transmission Words)
3
CRC (Cyclical Redundancy Check)
2
LOS (Loss of Sync)
2
Protocol errors
FL_Port (loop) support
•
The 8Gb 48-port and 64-port Fibre Channel blades now support the attachment of loop
devices in the DC SAN Backbone Director and DC04 SAN Director.
•
VF must be enabled on the chassis, and loop devices can be attached only to ports on a
48-port or 64-port blade assigned to a nondefault logical switch operating with the default
10-bit addressing mode. (Loop devices may not be in the default logical switch.)
•
A maximum of 144 ports can be used for connectivity to loop devices in a single logical switch
in a DC04 SAN Director in 10-bit dynamic area mode. A maximum of 112 ports can be used
for connectivity to loop devices in a single logical switch in a DC SAN Backbone Director in
10-bit dynamic area mode.
•
Loop devices are supported when attached to ports on the 8Gb and 4Gb 16- and 32-port
Fibre Channel blades, with no new restrictions.
Port Mirroring
•
On the 8/80 SAN Switch, the Port Mirroring feature has a limitation where all port mirror
resources must remain in the same ASIC port group. The resources are the configure mirror
port, Source Device, and Destination Device or ISL, if the Destination Device is located on
another switch. The ASIC port groups are 0-15, 16-31, 32-47, 48-63, and 64-79. The routes
are broken if the port mirror resources are spread over multiple port groups.
•
Port Mirroring is not supported on the 1606 Extension SAN Switch.
•
See the
portMirror
command in the Command Reference Guide for more information on
mirror port configuration and requirements.
10G interoperability
10G interoperability between the HP StorageWorks SAN Director 6 Port 10Gb FC Blade and
McDATA blades is not supported due to a hardware limitation. However, the SAN Director 6 Port
10Gb FC Blade is supported in a chassis running in interopmode 2 or 3 (SAN Director 6 Port
10Gb FC Blade to SAN Director 6 Port 10Gb FC Blade connections only). A SAN Director 6 Port
10Gb FC Blade does not synchronize with a McDATA 10Gb blade, but this does not negatively
impact the system.
Port Fencing
•
The state-changes counter used by Fabric Watch in Fabric OS 6.3 has been updated to ignore
any toggling of F_Ports due to planned internal mechanisms, such as throttling and trunking.
32