HP StorageWorks 4/8 - SAN Switch Manuale di istruzioni

HP StorageWorks Fabric OS 6.1.2b

release notes

Part number: 5697-0351

Eighth edition: March 2010

Legal and notice information

Version

6.1.2b

NOTE:

This software conforms to the Fibre Channel standards and accepted engineering practices and

procedures.

Supersedes

Fabric OS 6.1.2a released June 2009.

Effective date

August 2009

Description

Fabric OS 6.1.0a integrated many new features that carry forward to 6.1.2b, including:

•Enhanced connectivity with M-series products

•Support for native connectivity modes on all 8-Gb blades and platforms

•Traffic Isolation Zones in native connectivity modes

•Frame redirection support in native connectivity modes

•FICON CUP cascading

•E_Port authentication

•Enhanced scalability for interopmode 3 (Open Fabric Mode); support for 31 domains and

2048 devices

•SANtegrity fabric binding in both interopmode 2 and interopmode 3, including FCR support

•Access Gateway enhancements

•AG trunking

•Advanced device security policy

•16-bit routing

•Integrated routing, providing FCR support on 8-Gb ports and blades

•Fibre Channel over IP (FCIP)

•Traffic Isolation Zones over FCR

•Port Mirroring on 8-Gb platforms

•Buffer credit recovery on all 8-Gb platforms

•FCIP performance enhancements

•Port Fencing support in Fabric Watch

HP StorageWorks Fabric OS 6.1.2b release notes 3

Fabric OS 6.1.1x integrated EGM license support used with DCFM management software.

New feature summaries

This section lists features and improvements introduced with Fabric OS 6.1.x, and carried forward

to 6.1.2b.

Enhanced connectivity with McDATA products

McDATA connectivity enhancements include:

•M-EOS Native Fabric Mode support—HP supports interopmode 2 on Fabric OS 6.1.2x on the

4/256 SAN Director and DC SAN Director. This allows Directors to participate directly in M-EOS

fabrics running in McDATA Fabric Mode. M-EOS products in the fabric must be running M-EOS

09.08.00 or later.

•M-EOS Open Fabric Mode support—HP supports interopmode 3 on Fabric OS 6.1.2x with the

4/256 SAN Director and DC SAN Director. This allows Directors to participate directly in M-EOS

fabrics running in Open Fabric Mode. M-EOS products in the fabric must be running M-EOS

09.08.00 or later. Interopmode 3 scalability limits have also been increased to match those of

interopmode 2.

•Traffic Isolation Zones supported in mixed fabrics in interopmode 2—Fabric OS 6.1.x allows the

Traffic Isolation Zones in fabrics with M-type products. The M-EOS-based products can also provide

the same capability through Preferred Path configurations.

•Frame Redirection—Fabric OS 6.1.x allows Frame Redirection on Fabric OS products that are

operating in interopmode 2 or 3. This provides even greater flexibility and support for environments

that use the powerful Frame Redirection capability.

Access Gateway

Access Gateway enhancements include:

•Trunking with Access Gateway—Enables frame distribution across a set of available paths linking

Access Gateway to an adjacent switch. The adjacent switch to the Access Gateway must be an

HP StorageWorks switch running Fabric OS 6.1.x or later. This feature also enhances availability

by enabling seamless failover of traffic from a failed N_Port to other ports in a trunk group.

Trunking is an optional licensed feature.

•Advanced Device Security Policy (ADS)—Extends the DCC policy to a switch module in Access

Gateway mode. DCC policy support enables a user to restrict N_Port logins through an F_Port of

an Access Gateway. The user must provide a list of device port WWNs for an F_Port to enable

those devices to log in through that F_Port. This policy is also supported for NPIV connections on

F_Ports.

•16–bit routing enhances interoperability of Access Gateway with Cisco fabrics. This capability

applies to 8-Gb platforms only.

Traffic Isolation Zones over FCR

This enhancement enables traffic isolation across EX_Ports and VEX_Ports. This benefits applications

like Tape Pipelining and Fast Write, which traverse VE_Ports, where customers want to control the

exact path and ports.

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 –mparameter for the 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 6.1.2b release notes 5

Update recommendations

NOTE:

With the introduction of Fabric OS 6.1.1, certain features and functions were removed from WebTools

(resident in the firmware) and migrated to the Data Center Fabric Manager (DCFM) management

application. HP recommends that before you upgrade to 6.1.1x or later, if DCFM is not running on

your fabric, you review Web tools functionality moved to DCFM and take note of what has changed

so you can assess the impact to your fabric.

All products supported by Fabric OS 6.0.x can be upgraded to Fabric OS 6.1.2b. If applicable, HP

recommends that users upgrade to Fabric OS 6.1.2b as soon as possible to take advantage of the

latest fixes and features.

Upgrading to Fabric OS 6.1.2b is allowed only from Fabric OS 6.0.0b and later. This policy to

support only one-level migration, which began with Fabric OS 6.0.0, provides more reliable and

robust migrations for customers. With fewer major changes in internal databases, configurations, and

subsystems, the system can perform the upgrade more efficiently, taking less time and ensuring a truly

seamless and nondisruptive process for the fabric. The new one-level migration policy also reduces

the large number of upgrade/downgrade permutations that must be tested.

Only products based on 4-Gb and 8-Gb-capable ASICs are supported by Fabric OS 6.1.2b. Older

products using previous generation 2-Gb ASICs will remain on the 5.x code stream. Fabric OS 5.x

is fully compatible in fabrics running Fabric OS 6.1.x, and for routing.

For routed SANs with M-EOS switches in an edge fabric, upgrades to Fabric OS 6.1.2b will be

nondisruptive if all EX_Ports to M-EOS edge fabrics are attached to B-series SAN Directors with an

MP router blade (FR4–18i). See Firmware upgrade instructions, page 15 for instructions on upgrading

to Fabric OS 6.1.2b.

New hardware support

There is no new hardware support introduced with Fabric OS 6.1.2b.

NOTE:

The HP StorageWorks SAN Director 16 Port 8-Gb FC blade (FC8-16) is supported with the 4/256,

starting with Fabric OS 6.0.0b. The HP StorageWorks SAN Director 32 Port 8-Gb FC blade (FC8-32)

and HP StorageWorks SAN Director 48 Port 8-Gb FC blade (FC8-48) are supported with the 4/256

starting with Fabric OS 6.1.0a.

Supported product models

The following product models can be upgraded to Fabric OS 6.1.2b or later:

•HP StorageWorks 4/8 SAN Switch and 4/16 SAN Switch (Brocade 200E)

•HP StorageWorks 4/32 SAN Switch (Brocade 4100)

•HP StorageWorks 4/32B SAN Switch (Brocade 5000)

•HP StorageWorks 4/64 SAN Switch (Brocade 4900)

•HP StorageWorks 4/256 SAN Director (Brocade 48000)

•HP StorageWorks 16 Port 4–Gb SAN Director Blade (FC4–16)

•HP StorageWorks 32 Port 4–Gb SAN Director Blade (FC4–32)

•HP StorageWorks 48 Port 4–Gb SAN Director Blade (FC4–48)

•HP StorageWorks Multi-protocol Router Blade (FR4–18i)

•HP StorageWorks B-series iSCSI Director Blade (FC4–16IP) compatible with the 4/256 Director

model only, not supported in the DC SAN Director

•HP StorageWorks 8/8 and 8/24 SAN Switches (Brocade 300)

•HP StorageWorks 8/40 SAN Switch (Brocade 5100)

•HP StorageWorks 8/80 SAN Switch (Brocade 5300)

•HP StorageWorks 400 Multi-protocol Router (Brocade 7500)

•HP StorageWorks DC SAN Director (Brocade DC Director Data Center Backbone)

•HP StorageWorks SAN Director 16 Port 8–Gb FC blade (Brocade FC8–16)

•HP StorageWorks SAN Director 32 Port 8-Gb FC blade (Brocade FC8-32)

•HP StorageWorks SAN Director 48 Port 8–Gb FC blade (Brocade FC8–48)

•HP StorageWorks SAN Director 6 Port 10–Gb FC ISL blade (Brocade FC10–6)

•Brocade 4–Gb SAN Switch for HP p-Class BladeSystem (Brocade 4012)

•Brocade 4–Gb SAN Switch for HP c-Class BladeSystem (Brocade 4024)

Unsupported product models

The following product models cannot be upgraded to Fabric OS 6.1.2b or later:

•HP StorageWorks MSA SAN Switch 2/8 (Brocade 3000)

•HP StorageWorks SAN Switch 2/8V (Brocade 3250)

•HP StorageWorks SAN Switch 2/16 (Brocade 3800)

•HP StorageWorks SAN Switch 2/16V (Brocade 3850)

•HP StorageWorks SAN Switch 2/32 (Brocade 3900)

•HP StorageWorks Core Switch 2/64 (Brocade 12000)

•HP StorageWorks SAN Director 2/128 (Brocade 24000)

•HP StorageWorks Multi-protocol (MP) Router (Brocade AP7420)

IMPORTANT:

Any enhancements for the models listed above will be delivered in Fabric OS 3.2.x, Fabric OS 5.0.5x,

and XPath OS 7.4.x sustaining releases.

Devices supported

For a list of supported devices, see the HP website:

http://www.hp.com/go/san

Operating systems

For a list of operating systems, see the HP website:

http://www.hp.com/go/san

HP StorageWorks Fabric OS 6.1.2b release notes 7

Access Gateway support

Access Gateway is supported with the following HP products only:

•Brocade 4-Gb SAN Switch for HP p-Class BladeSystem (Brocade 4012)

•Brocade 4-Gb SAN Switch for HP c-Class BladeSystem (Brocade 4024)

•HP StorageWorks 4/16 SAN Switch (Brocade 200E)

•HP StorageWorks 8/24 SAN Switch (Brocade 300)

IMPORTANT:

Although the HP StorageWorks 4/8 SAN Switch uses the same hardware as the 4/16 SAN Switch,

it does not support Access Gateway. The same applies to the HP StorageWorks 8/8 and 8/24 SAN

Switches: both use the same hardware, but only the 8/24, which has all ports licensed, has Access

Gateway support. Also, Access Gateway mode is not supported with the Brocade 4-Gb SAN Switch

for HP p-Class BladeSystem (Brocade 4012) if any half-height BladeServers (BL3xp) are configured

in the same sleeve in the p-Class enclosure. For the latest updates, see the HP website:

http://www.hp.com

Access Gateway connectivity is supported by the switches listed in Access Gateway support and also

by the following B-series switches:

•HP StorageWorks EVA4400 embedded switch module

•HP StorageWorks 8/40 SAN Switch

•HP StorageWorks 8/80 SAN Switch

•HP StorageWorks DC SAN Director

•HP StorageWorks 4/256 SAN Director

•HP StorageWorks SAN Switch 4/32

•HP StorageWorks SAN Switch 4/32B

•HP StorageWorks SAN Switch 4/64

•HP StorageWorks 400 Multi-Protocol Router

Access Gateway was introduced with Fabric OS 5.2.1b. It allows a switch to operate in agmode ,

which allows simplified connectivity between large numbers of servers and the SAN. Access Gateway

leverages N_Port ID Virtualization (NPIV) to hide the complexity of the servers (both physical and

virtual) attached to it, while allowing easy SAN connectivity. The edge fabric switch provides all fabric

services, while Access Gateway connects to the edge switch by what appears as a host bus adapter

(HBA) connection. This architecture allows the deployment of many additional servers without requiring

a domain and the associated fabric rebuild traffic. Rebuild traffic is prevalent when switches are

powered on, added, or removed from a fabric.

See the Brocade Access Gateway Administrator's Guide, available on http://www.hp.com/go/san

for more information.

Access Gateway support in non-Brocade fabrics

In addition to being supported in Brocade fabrics, Access Gateway is supported for connectivity to

the following:

•McDATA switches: 2/16 (ES3216), 2/32 (ES3232), 2/64 (ED6064), 2/140 (M6140), Mi10K

running EOS 09.07.02 with Brocade Fabric OS 6.1.0x

•McDATA switches: 2/16 (ES3216), 2/32 (ES3232), 2/64 (ED6064), 2/140 (M6140), Mi10K

running EOS 09.09.02 with Brocade Fabric OS 6.1.2x

•Cisco switches: MDS 9216, MDS 9216A, MDS 9506, MDS 9509 running SAN OS 3.0(2a) with

Brocade Fabric OS 6.1.0x

Secure Fabric OS feature not compatible with Fabric OS 6.x

and later

Fabric OS 5.3.x is the last Fabric OS version compatible with SFOS. However, all of the security

features of SFOS have been fully integrated into the base Fabric OS, starting with Fabric OS 5.3.x.

Zoning and fabric operations

When configuring zoning or other fabric-wide settings in a fabric that has products operating with

different versions of Fabric OS, HP recommends that you perform the configuration via an interface

(such as WebTools) to a product with the most recent version of Fabric OS. Some older versions of

Fabric OS do not fully support newer hardware models, and problems may arise when configuring

settings through these older products.

NOTE:

Never perform a zoning configuration through a switch operating with Fabric OS 3.x in a fabric that

also has products operating with newer versions of Fabric OS.

Fabric OS feature compatibility in native connectivity modes

Some Fabric OS features are not fully supported when operating in the native connectivity modes for

deployment with M-EOS-based products. All HP StorageWorks models that are supported by Fabric

OS 6.1.2x support both interopmodes 2 and 3, with the exception of the HP StorageWorks 4/32

SAN Switch.

Table 1 specifies the support of various Fabric OS features when operating in either interopmode 2

(McDATA Fabric Mode) or interopmode 3 (Open Fabric Mode) with Fabric OS 6.1.2b.

Table 1 Feature support in interopmodes 2 and 3

Fabric OS 6.1.2bFabric OS features (supported in interopmode 0)

IM 3IM 2IM = interopmode

YesYesL2 Fabric OS Hot Code Load

YesYesFabric OS Hot Code Load with FCR

NoYesZone Activation Support

NoYes

Traffic Isolation Zones 1

NoYes

Frame Redirection (devices attached to Fabric OS) 1

NoYesFrame Reduction (devices attached to M-EOS)

HP StorageWorks Fabric OS 6.1.2b release notes 9

Fabric OS 6.1.2bFabric OS features (supported in interopmode 0)

YesYesFCR Fabric Binding (route to M-EOS fabric with fabric binding)

No 2

YesL2 Fabric Binding

NoNoDCC policies

No 2

Yes 3

SCC policies

YesYesE/EX_Port authentication

Yes 4

ISL Trunking (frame level)

Yes

Yes 5

Dynamic Path Selection (DPS, exchange-based routing)

YesYesDynamic Load Sharing (DLS, port-based routing)

Yes 4

Virtual Channels (VC RDY)

No 2

YesFICON Management Server (Cascading)

No 2

YesFICON MIHPTO

YesYesFull scalability (to maximum M-EOS fabric limits)

NoNoAdaptive Networking: QoS

No 2

Adaptive Networking: Ingress Rate Limiting

No 2

Advanced Performance Monitoring (APM)

No 2

APM: TopTalkers

NoNoAdmin Domains/Virtual Fabrics

N/AN/A

Secure Fabric OS 6

YesYesFabric Watch

YesYesPorts on Demand (POD)

YesYesNPIV

NoNoTimer Server Function (NTP)

N/AN/A

Open E_Port 7

NoNoBroadcast Zoning

NoNoFDMI

NoNoRemote Switch

YesYesPort Mirroring (8–Gb port mirroring supported in Fabric OS 6.1 and later)

Yes 8

YesExtended Fabrics

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