HP StorageWorks 8/80 HP StorageWorks Fabric OS 6.1.2 release notes (5697-0349, - Page 5

Port Mirroring, Buffer credit recovery, FCIP performance enhancements, Port Fencing, LDAP

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Port Mirroring Fabric OS 6.1.0a added support for Port Mirroring to 8-Gb ports. Port Mirroring mirrors traffic in both directions between a source and destination ID pair to a single mirror port. The user can connect an FC analyzer to this mirror port to capture all mirrored traffic and perform troubleshooting or analysis. Buffer credit recovery Fabric OS 6.1.x implemented the credit recovery protocol, described in FC-FS standards. This feature is supported only on E_Ports and allows switches to automatically recover buffer credits that were accidentally lost over time. Buffer credit recovery prevents link performance degradation that can occur due to loss of credits. FCIP performance enhancements Fabric OS 6.1.x increased committed rate tunnel performance (utilization) when compressibility exceeds 2:1. Previous firmware releases capped FC data rates to two times the committed rate of the FCIP tunnel. As a result, when the compression ratio exceeds 2:1, FC throughput remains constant at twice the committed rate and the link utilization decreases. Fabric OS 6.1.x monitors compressibility, adjusts to more compressible data, and works to fill the FCIP tunnel to the committed rate. Port Fencing Fabric OS 6.1.x added the new Port Fencing capability that automatically isolates a port that is behaving outside the bounds of a normal, expected operation. This enhances overall stability of the fabric so that an isolated event does not cause a major disruption. The Port Fencing capability is included as part of the optional licensed Fabric Watch feature. LDAP Fabric OS 6.1.x added LDAP enhancements that allow Active Directory server roles to be mapped to the various switch roles. Parameter added for slotshow command An optional -m parameter for slotshow command may be used to display the model names for each blade installed in a DC SAN Director or 4/256 SAN Director chassis. Scripting Many automatic page breaks in CLI output for commands have been removed to facilitate scripting. Notification of duplicate WWN entry A RASLOG entry will occur when a switch detects that a duplicate WWN has logged in. HP StorageWorks Fabric OS 6.1.2 release notes 5

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Port Mirroring
Fabric OS 6.1.0a added support for Port Mirroring to 8-Gb ports. Port Mirroring mirrors traffic in
both directions between a source and destination ID pair to a single mirror port. The user can connect
an FC analyzer to this mirror port to capture all mirrored traffic and perform troubleshooting or
analysis.
Buffer credit recovery
Fabric OS 6.1.x implemented the credit recovery protocol, described in FC-FS standards. This feature
is supported only on E_Ports and allows switches to automatically recover buffer credits that were
accidentally lost over time. Buffer credit recovery prevents link performance degradation that can
occur due to loss of credits.
FCIP performance enhancements
Fabric OS 6.1.x increased committed rate tunnel performance (utilization) when compressibility
exceeds 2:1. Previous firmware releases capped FC data rates to two times the committed rate of the
FCIP tunnel. As a result, when the compression ratio exceeds 2:1, FC throughput remains constant at
twice the committed rate and the link utilization decreases. Fabric OS 6.1.x monitors compressibility,
adjusts to more compressible data, and works to fill the FCIP tunnel to the committed rate.
Port Fencing
Fabric OS 6.1.x added the new Port Fencing capability that automatically isolates a port that is
behaving outside the bounds of a normal, expected operation. This enhances overall stability of the
fabric so that an isolated event does not cause a major disruption. The Port Fencing capability is
included as part of the optional licensed Fabric Watch feature.
LDAP
Fabric OS 6.1.x added LDAP enhancements that allow Active Directory server roles to be mapped
to the various switch roles.
Parameter added for
slotshow
command
An optional
–
m
parameter for
slotshow
command may be used to display the model names for
each blade installed in a DC SAN Director or 4/256 SAN Director chassis.
Scripting
Many automatic page breaks in CLI output for commands have been removed to facilitate scripting.
Notification of duplicate WWN entry
A RASLOG entry will occur when a switch detects that a duplicate WWN has logged in.
HP StorageWorks Fabric OS 6.1.2 release notes
5