HP AA979A - StorageWorks SAN Switch 2/8V Instruction Manual

HP StorageWorks
Fabric OS 4.4.0f release notes
Part number: AA-RW89A-TE
Sixth edition: October 2005

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Fabric OS 4.4.0f release notes

3Fabric OS 4.4.0f release notes
About this document
This section identifies the audience of these Release Notes and provides a high-level description of
the information it contains.
Release Notes overview
These Release Notes cover the following major topics:
•Fabric OS 4.4.0f enhancements, page 4
•Accessing documentation, page 6
•Standards compliance, page 6
•Important notes, page 8
•Closed issues from Fabric OS 4.4.0c, page 38
•Closed issues from Fabric OS 4.4.0d, page 41
•Closed issues from Fabric OS 4.4.0e, page 45
•Closed issues from Fabric OS 4.4.0f, page 48
Audience
These Release Notes are intended for systems administrators and technicians
who are responsible for installing, operating, and maintaining Fabric OS version 4.4.0f.
Accessing future product updates
HP strongly recommends that customers sign up online using the Subscriber's choice web site:
http://www.hp.com/go/e-updates.
•Subscribing to this service provides you with e-mail updates on the latest product enhancements,
newest versions of drivers, and firmware documentation updates as well as instant access to
numerous other product resources.
•After signing up, you can quickly locate your products by selecting Business support and then
Storage under Product Category.
Fabric OS 4.4.0f is a patch release containing fixes to a number of defects. This patch release also
includes the same feature set as the Fabric OS 4.4.0 release.
HP upgrade recommendations
HP strongly urges customers to take the following actions:
•Upgrade Fabric OS 4.1.x or 4.2.x systems to Fabric OS 4.4.0f directly. Do not upgrade those
systems to Fabric OS 4.4.0, Fabric OS 4.4.0e or any firmware version in between.
•Upgrade existing switches running Fabric OS 4.4.0 or Fabric OS 4.4.0a to Fabric OS 4.4.0f as
soon as possible.

Fabric OS 4.4.0f enhancements4
Fabric OS 4.4.0f enhancements
Fabric OS 4.4.0f is a patch release that includes fixes to several defects found since the release of
Fabric OS version 4.4.0c. Fabric OS 4.4.0f integrates the same features as Fabric OS 4.4.0,
including significant enhancements in the areas of Fibre Channel long-distance support, scalability
and manageability.
Major new features of Fabric OS 4.4.x include:
•Support for the HP StorageWorks SAN Switch 4/32 and the HP StorageWorks Multi-protocol
(MP) Router
•Greater than two-fold increase in HP Extended Fabric support:
• SAN Switch 2/8V, SAN Switch 2/16V, and SAN Director 2/128 support distances up to
200 km at 1 Gbit/sec and 100 km at 2 Gbit/sec.
• SAN Switch 4/32 supports distances up to 500 km at 1 Gbit/sec and 100 km at
4Gbit/sec.
•Trunking over Extended Fabrics
• The HP StorageWorks 2 GB switches, Core Switch 2/64,and SAN Director 2/128 switch,
support two links up to 50 km at 2 Gbit/sec and four links of 10 km at 2 Gbit/sec.
• The SAN Switch 4/32 supports three links of up to 250 km at 2 Gbit/sec or 100 km at
4Gbit/sec.
•Increased scalability to 2560 ports and 50 domains
•Ports on Demand (POD) for instant scalability via license keys
•Fabric Watch improvements:
• Improved notification
• Switch health reports
• Standardized messaging: for example, including information such as time stamp, message
number, severity, and switch name for all system messages
• Updated security enhancements:
•SSH
•RADIUS
• DH-CHAP authentication
• Fabric Watch and Web Tools usability enhancements
HP Software release policy is to carry forward all fixes in patches to subsequent maintenance and
feature Fabric OS releases.

5Fabric OS 4.4.0f release notes
Supported switches
Fabric OS v4.4.0f supports the following switches:
•HP StorageWorks SAN Switch 2/8V
•HP StorageWorks SAN Switch 2/16V
•HP StorageWorks SAN Switch 2/16N
•HP StorageWorks SAN Switch 2/32
•HP StorageWorks Core Switch 2/64
•HP StorageWorks SAN Director 2/128
•HP StorageWorks SAN Switch 4/32
Technical support
Contact Hewlett-Packard support for hardware, firmware, and software support, including product
repairs and part ordering. To assist your support representative and to expedite your call, have the
following information available:
•Technical support contact number, if available
•Switch model
•Switch operating system version
•Error messages received
•Output from supportshow command
•Detailed problem description and specific questions
•Description of any troubleshooting steps already performed and results
Switch Serial Number
The serial number label location varies with switch model, as follows:
•For the SAN Switch 2/8V, SAN Switch 2/16V, SAN Switch 2/16N and SAN Switch 2/32
models, the label is on the rear chassis panel.
•For the SAN Switch 4/32, the label is on the switch ID pull-out tab located on the port side, and
on the inside of the chassis, near the Power Supply 1.
•For the Core Switch 2/64 and SAN Director 2/128, the label is on the inside front of the
chassis, on the wall to left of the ports.

World Wide Name (WWN)6
World Wide Name (WWN)
Use the licenseIdShow command to display the license ID.
Accessing documentation
Additional documentation, including white papers and best practices documents, is available at the
HP storage web site:
http://welcome.hp.com/country/us/eng/prodserv/storage.html .
NOTE: HP has made every effort to provide you with the most up-to-date Web retrieval procedures
available at time of print. Note, however, that Web page links are subject to change.
Documentation, including white papers and best practices documents, is available on the HP
web site:
http://www.hp.com/country/us/eng/prodserv/storage.html
To access current Fabric OS related documents:
1. Locate the IT storage Products section of the web page.
2. Under Networked Storage, click SAN Infrastructure.
3. The SAN Infrastructure web page displays. Locate the SAN Infrastructure products
section. Click Fibre Channel Switches.
4. Locate the B-Series Fabric-Mid-Range section.
5. To access Fabric OS 4.x documents (such as this document), click HP StorageWorks SAN Switch
4/32 & SAN Switch 4/32 power pack.
The switch overview page displays.
6. Go to the Product Information section, located on the right side of the web page.
7. Click Technical documents.
8. Follow the onscreen instructions to download the applicable documents.
For information about Fibre Channel standards, visit the following web site:
http://www.t11.org .
Standards compliance
HP products conform to these standards in a manner consistent with accepted engineering practices
and procedures. In certain cases, HP may add proprietary supplemental functions to those specified
in the standards. We verify conformance with Fibre Channel Standards by subjecting our switches
to SANmark Conformance Tests developed by the Fibre Channel Industry Association. Our switches
have earned the SANmark logo indicating such conformance. SANmark is a limited testing
program and does not test all standards or all aspects of standards.

7Fabric OS 4.4.0f release notes
HP Fabric OS 4.4.0b conforms to the following Fibre Channel Standards:
•FC-AL ANSI X3.272: 1996
•FC-AL-2 NCIT S 332: 1999
•FC-FLA NCIT S TR-20: 1998
•FC-GS-2 NCIT S 348-2000 Rev 7.01
•FC-FG ANSI X3.289: 1996
•FC-PH ANSI X3.230: 1994
•FC-PH-2 ANSI X3.297: 1997
•FC-PH-3 ANSI X3.303: 1998
•FC-PLDA NCIT S TR-19: 1998
•FC-SW-2 Rev 5.3
•FC-VI Rev 1.61
•FC-MI Rev 1.92
•FC-BB Rev 4.7
•FC-FS Rev 1.7
•FC-BB-2 Rev 5.3
•IPFC RFC 2625
•FCP ANSI X3.269: 1996
•FCP-2 Rev 7

Important notes8
Important notes
This section provides information you should be aware of when running Fabric OS 4.4.0f.
OS requirements
HP strongly recommends using the latest software release versions to get the greatest benefit from the
SAN. Refer to the following web site for information:
http://www.hp.com .
Browser, OS, and Java plug-in support
Advanced Web Tools browser, operating system, and Java Plug-in support is updated for Fabric OS
4.4.0f. Table 1 identifies the supported browsers, operating systems, and Java Plug-ins for this
release. Go to the
http://www.hp.com web site for the latest list of supported operating systems.
Table 1 Browsers, Operating Systems, and Java Plug-ins
Operating System Browser Java Plug-in
HP-UX 11.00 Mozilla 1.4 or later 1.4.2_00 or later (up to but not including
1.5)
HP-UX 11.11
(PA 32-bit & PA 64-bit) Mozilla 1.4 or later 1.4.2_00 or later (up to but not including 1.5)
HP-UX 11.23
(IA 64-Bit) Mozilla 1.4 or later 1.4.2_00 or later (up to but not including 1.5)
HP-UX 11.i +NN7.0 1.4.1_02
HP Tru64 UNIX®5.1B Mozilla 1.4 1.4.1_02
HP Tru64 UNIX 5.1A, 5.1b Mozilla 1.4 1.4.1_02
HP OpenVMS 7.3-1 (64-bit) Secure Web Browser
(SWB 1.4) 1.4.1_02
HP OpenVMS 7.3-2 (64-bit) Secure Web Browser
(SWB 1.4) 1.4.1_02
HP Open VMS 7.3-x (Itanium) Secure Web Browser
(SWB 1.4) 1.4.1_02
AIX 5.1 Mozilla 1.4 1.4.1_01
AIX 5.2 Mozilla 1.4 1.4.1_01
AIX 5.3 Mozilla 1.4 1.4.1_01

9Fabric OS 4.4.0f release notes
Red Hat Linux®7.3 Mozilla 1.4 or later 1.4.2_02 or later (up to but not including
1.5)
Red Hat Linux 8.0 Mozilla 1.4 or later 1.4.2_02 or later (up to but not including
1.5)
Red Hat Enterprise Linux AS 2.1
(IA32) NN7.02 1.4.1_03
Red Hat Enterprise Linux AS 2.1
(IA32 & IA64) Mozilla 1.4 or later 1.4.2_02 or later (up to but not including 1.5)
Red Hat Enterprise Linux AS 3.0
(IA32 & IA64) Mozilla 1.4 or later 1.4.2_02 or later (up to but not including 1.5)
Red Flag Linux (32-bit) Mozilla 1.4 or later 1.4.2_02 or later (up to but not including
1.5)
United Linux 1.0 NN7.02 1.4.1_03
United Linux 1.0
SUSE 8 (IA32) Mozilla 1.4 or later 1.4.2_02 or later (up to but not including 1.5)
United Linux 1.0
SUSE 8 (IA64) Mozilla 1.4 or later 1.4.2_02 or later (up to but not including 1.5)
United Linux 2.0 Mozilla 1.4 or later 1.4.2_02 or later (up to but not including
1.5)
Solaris 2.8, 2.9 Mozilla 1.2.1
(recommended)
Netscape 7.0
Netscape
Communicator 4.78
1.4.2
1.4.1_03
Solaris 7, 8, 9, 10 Mozilla 1.2.1 (recom-
mended)
Netscape 7.0
Netscape
Communicator 4.78
1.4.2
Table 1 Browsers, Operating Systems, and Java Plug-ins (continued)
Operating System Browser Java Plug-in

Browser, OS, and Java plug-in support10
Table 2 summarizes the major features incorporated in Fabric OS 4.4.0f.
Windows® 2000 IE 6.0 SP1 1.3.1_04 or 1.4.1_02 (recommended)
Windows 2000 SP3 IE 6.0 SP1 1.4.1_03
Windows 2003 IE 6.0 SP1 1.3.1_04 or 1.4.1_02 (recommended)
Windows XP IE 6.0 SP1 1.4.1_03 (recommended)
Windows Server 2003 (IA32) IE 6.0 1.4.1_03
Windows NT® 4.0 SP6a IE 6.0 SP1 1.4.1_03
Table 1 Browsers, Operating Systems, and Java Plug-ins (continued)
Operating System Browser Java Plug-in
Table 2 New features in Fabric OS 4.4.x
Category Feature
SAN Director 2/128 Mixed blade support:
•Two-domain support
•Mixed Core Switch 2/64 and SAN Director 2/128
SAN Switch 4/32
platform support Ports on demand (16, 24, or 32 ports)
ASIC support:
•1, 2, and 4 Gbit/sec automatic speed negotiation
•4 Gbit/sec trunks
•8-port trunk groups for up to 32 Gbit/sec trunks
•More distance options (see below)
•Dynamic path selection (DPS) with the exchange-based and
device-based policies. The SAN Switch 4/32 uses the frame
information to determine the routing paths dynamically. Port-based
policy is independent of the traffic pattern.
•Network boot using TFTP
Reliability Compact flash capacity monitoring
Manageability Advanced Performance Monitoring – ISL monitoring (CLI only)
Fabric Watch enhancements
Export performance data
FDMI host name support

11Fabric OS 4.4.0f release notes
RAS New logging and tracing infrastructure
Enhanced error message format
supportShow command enhancements
New supportSave command
Security related RADIUS support
Multiple user accounts
SSL/HTTPS support
SNMPv3 support
DH-CHAP authentication (switch-switch)
SAN gateway security
Table 2 New features in Fabric OS 4.4.x (continued)
Category Feature

Browser, OS, and Java plug-in support12
Long-distance
enhancements 200 km at 1 Gbit/sec or 100 km at 2 Gbit/sec (SAN Switch 2/8V, 2/16V, and SAN Director 2/128)
500kmat1Gbit/sec,250kmat2Gbit/sec,or100kmat
4Gbit/sec(SANSwitch4/32)
Trunking over Extended Fabrics (HP StorageWorks 2 GB switches,
Core Switch 2/64, and SAN Director 2/128 with version 4.4.0b) is
supported only at 2 Gbit/sec as follows:
•Four links at 10 km at 2 Gbit/sec per trunk group
•Three links at 25 km at 2 Gbit/sec per trunk group
•Two links at 50 km at 2 Gbit/sec per trunk group
Buffer limited ports
Enhanced trunking support is summarized below:
Distance Number of 2-Gbit/sec ports
LE 10 km 4 (one 4-port trunk)
L0.5 25 km 3 (one 3-port trunk)
L1 50 km 1 (one 2-port trunk)
L2 100 km 0
LD 200 km 0
LD 250 km 0
LD 500 km 0
Enhanced trunking support with the ASIC is summarized below:
Distance Number of 2-Gbit/sec Number of 4-Gbit/sec
ports or trunks ports
LE 10 km 32 (four 8-port trunks) 32 (four 8-port trunks)
L0.5 25 km 32 (four 8-port trunks) 15 (one 8-port trunk)
L1 50 km 15 (one 8-port trunk) 7 (one 7-port trunk)
L2 100 km 7 (one 7-port trunk) 3 (one 3-port trunk)
LD 200 km 3 (one 3-port trunk) 0
LD 250 km 3 (one 3-port trunk) 0
LD 500 km 0 0
Table 2 New features in Fabric OS 4.4.x (continued)
Category Feature

13Fabric OS 4.4.0f release notes
Advanced Web Tools updates
For instructions on installing Mozilla 1.6 on Solaris 2.8 and Solaris 2.9, go to the web site:
http://ftp27f.newaol.com/pub/mozilla.org/mozilla/releases/mozilla1.6/README
Issue: The Mozilla browser does not support the Switch Admin module properly in Fabric OS 2.6.x.
In Fabric OS 2.6.2, a warning message is displayed. For other 2.6.x versions, no warning message
is displayed.
Workaround: Use Netscape 4.7.7 or later.
The browsers, operating systems, and Java Plug-ins also supported introduce the limitations in
Table 3 when using mixed OS versions in Advanced Web Tools 4.4.0b.
SNMP support Starting with the FOS release, HP added the ability to enable traps on a more
granular level. After an upgrade, the snmpMibCapSet command should be
run from the CLI to update the settings. This allows additional flexibility in
controlling SNMP traps. The default setting is for all traps to be disabled.
MPRS enhancements Max hop count (MP Router) – CLI only
WAN_TOV (FC Router) – CLI only
Scalability Supports 1280 total ports and 34 domains with or without security enabled.
Supports 2560 total ports and 50 domains in a fabric consisting of
switches with 32 ports or more running Fabric OS 4.4.0b.
Usability
improvements Security Management – enables or merges secure fabrics (Fabric Manager only)
Web Tools and Fabric Manager usability improvements
Enhanced Fabric Watch support
Table 2 New features in Fabric OS 4.4.x (continued)
Category Feature

Advanced Web Tools updates14
Table 3 Limitations with Advanced Web Tools
Launch switch environment Problems
Firmware: Fabric OS 3.1+ or 4.1+
Operating System: any
supported OS with a supported
browser
Browser: any supported browser
on a supported OS
Issue: When viewing the topology from Web Tools, if your
initial login was a v3.1+ or v4.1+ switch and you view the
topology from a switch with previous version of Fabric OS,
there is no print function available in the Fabric Topology
window.
Web Tools 3.1.0+ and 4.1.0+ include a Print button
in the Fabric Topology window; earlier versions do
not.
Workaround: If the Fabric Topology window does
not display a Print button, you can right-click
anywhere inside the window and select Print from
the popup menu.
Firmware: Fabric OS 2.6.x
Operating System: Solaris
Browser: Mozilla
Issue: The Switch Admin does not launch correctly.
If you try to launch the Switch Admin using Fabric OS
2.6.2 on a Solaris operating system with a Mozilla
browser, a warning dialog box is displayed, telling
you to use the Netscape browser.
If you try to launch the Switch Admin using Fabric OS
2.6.1 or earlier on a Solaris operating system with a
Mozilla browser, the Switch Admin fails and no
warning is displayed.
Workaround: Although the Netscape browser is not
supported by Web Tools for switches running Fabric
OS 2.6.2, 3.1.2, 4.2.0, or later, if you must access
the Switch Admin on a switch running Fabric OS
2.6.x from a Solaris OS, use the Netscape 4.7.7
browser.
Firmware: version earlier than Fabric
OS 2.6.2, 3.1.2, or 4.2.0 with
secure mode enabled
Operating System: Solaris
Browser: Mozilla
Issue: If you try to launch the Switch Admin, Zoning, Fabric
Watch, or High Availability Admin using firmware versions
earlier than 2.6.2, 3.1.2, or 4.2.0 on a Solaris OS with a
Mozilla browser, the browser might crash due to a buffer
overflow problem with Mozilla.
Workaround: Although the Netscape browser is not
supported by Web Tools for switches running Fabric
OS 2.6.2, 3.1.2, 4.2.0, or later, if you must access
the Switch Admin, Zoning, Fabric Watch, or High
Availability Admin on a switch running firmware
versions earlier than 2.6.2, 3.1.2, or 4.2.0 from a
Solaris OS, use the Netscape 4.7.7 browser.

15Fabric OS 4.4.0f release notes
Firmware: version earlier than Fabric
OS 2.6.2, 3.1.2, or 4.2.0
Operating System: any
supported OS with a supported
browser
Browser: any supported browser
on a supported OS
Issue: When trying to access a switch running firmware
versions earlier than Fabric OS 2.6.2, 3.1.2, or 4.2.0 from
the launch switch, Switch Explorer will display a null
pointer exception and the SwitchInfo applet will not be
displayed. Switch Explorer does not work properly with
switches running the latest firmware.
Workaround: Use a launch switch running Fabric OS
2.6.2, 3.1.2, 4.2.0, or later to access the switch.
Firmware: version earlier than Fabric
OS 4.4.0
Operating System: any
supported OS with a supported
browser
Browser: any supported browser
on a supported OS
Issue: When trying to perform end-to-end monitoring
(Advanced Performance Monitoring) on a local switch with
a Fabric OS earlier than 4.4.0, the SAN Switch 4/32 is
displayed as a 16-port switch.
Workaround: For a SAN Switch 4/32, use a launch
switch running Fabric OS 4.4.0 or later to perform
end-to-end monitoring on the switch.
Firmware: version earlier than Fabric
OS 4.4.0
Operating System: any
supported OS with a supported
browser
Browser: any supported browser
on a supported OS
Issue: When trying to perform zoning on a local switch
with a Fabric OS version earlier than 4.4.0, the SAN
Switch 4/32 is 16-port switch.
Workaround: If you are running Secure Fabric OS,
select a switch running Fabric OS 4.4.0 or later as
the primary FCS switch. If you are not running Secure
Fabric OS, use a launch switch running Fabric OS
4.4.0 or later to perform zoning on the switch.
Firmware: version earlier than Fabric
OS 2.6.2, 3.1.2, or 4.2.0
Operating System: Solaris
Browser: Netscape
Issue: Any switches running Fabric OS 2.6.2, 3.1.2, 4.2.0,
or later, are unsupported through Netscape.
Workaround: The Netscape browser is not
supported by Web Tools for switches running Fabric
OS 2.6.2, 3.1.2, 4.2.0, or later. Use the Mozilla
browser version 1.6 to manage all of your switches
from a Solaris OS.
Firmware: version earlier than Fabric
OS 2.6.2, 3.0.x, or 4.0.x
Operating System: Windows
Browser: Internet Explorer
Issue: When you are trying to run Fabric View with a large
fabric, the browser might crash.
Workaround: Use a launch switch that runs Fabric
OS 2.6.1, 3.0.x, 4.0.x, or later so that you can use
Switch Explorer (rather than Fabric View).
Use a launch switch with 2.6.2, 3.1.x, 4.1.x, or
later.
Table 3 Limitations with Advanced Web Tools (continued)
Launch switch environment Problems

Advanced Web Tools updates16
Table 4, Table 5, and Table 6 list important information for switches running Fabric OS 4.4.0b.
Table 4 Information Specific to SAN Switch 4/32
SAN Switch 4/32 Description
SWL and LWL SFP
modules release
mechanism
The SAN Switch 4/32 uses an octal-style SFP cage that places SFPs in
close proximity. As a result of the physical space limitation between the
SFPs, HP requires the use of approved SFP modules only.
Using an approved SFP module eliminates issues associated with the fit and
removal of the module. Specifically, SFPs with wide bail latch mechanisms
that are not flush with the body of the SFP or SFPs with “push-tab” removal
mechanisms might prevent the proper insertion or removal of the SFP
module.
At the time of release, the following SFPs were certified for use with the
SAN Switch 4/32:
•HP StorageWorks 4Gb SW SnglePK SFP Transceiver, A7446A
•Short wavelength SFP, A6515A*or 300834-B21**
•Long wavelength SFP, 10 km, A6516A*or 300835-B21**
•Long wavelength SFP, 35 km, 300836-B21**
* Premerger HP part number
** Premerger Compaq part number
LED, system status
The system status LED blink behavior in the SAN Switch 4/32 is different
from that of legacy HP StorageWorks switches. Legacy products blink
system status with the pattern amber, off, amber, off. The SAN Switch
4/32 blinks with the pattern amber, green, amber, green.
LED, system power The system power LED behaves differently in the SAN Switch 4/32 than in
SAN Switch 2/8V and SAN Switch 2/16V. In the latter switches, it is solid
amber when a power supply FRU fails. In the SAN Switch 4/32, the system
power LED remains green, and the system status LED blinks, indicating an
error.

17Fabric OS 4.4.0f release notes
Fan, RPM reading The RPM range can differ by as much as 1000 from fan to fan, which is
within specifications. At the lowest RPM, the cooling specification is met; at
the highest RPM, the acoustic specification is met. In other words, during
normal operation, both the lowest and the highest observed fan speeds are
within adequate margin of the acoustic and cooling specifications.
WWN The SAN Switch 4/32 uses a new block of WWN numbers. In addition to
the current WWN, HP uses the IEEE Organizationally Unique Identifier
(OUI) that was formally owned by Rhapsody Networks (now a part of
Brocade Communications Systems, Inc.) for the new block of WWNs. The
official IEEE OUI database has been updated to reflect this ownership
change.
Network and fabric management applications that rely on the use of the
original Brocade OUI (00:60:69) to identify Brocade network elements
must be updated from the IEEE web site database (location below) to also
include the new Brocade OUI (00:05:1E).
IEEE OUI and Company_id Assignments:
NEW
00-05-1E (hex) Brocade Communications Systems, Inc.
00051E (base 16) Brocade Communications Systems, Inc.
1745 Technology Drive
San Jose CA 95110
UNITED STATES
OLD
00-60-69 (hex) BROCADE COMMUNICATIONS SYSTEMS, Inc.
006069 (base 16) BROCADE COMMUNICATIONS SYSTEMS, Inc.
1901 GUADALUPE PKWY
SAN JOSE CA 95131
UNITED STATES
For the IEEE list of public OUI assignments, go to:
http://standards.ieee.org/regauth/oui/index.shtml
In a management application using a Fabric Access version earlier than
3.0.2, SAN Switch 2/8V and 2/16V are displayed as Rhapsody
switches.
Table 4 Information Specific to SAN Switch 4/32 (continued)
SAN Switch 4/32 Description

Advanced Web Tools updates18
Table 5 Core Switch 2/64 Information
Core Switch 2/64 Description
Power supply
requirements Customers reconfiguring SAN Director 2/128-only configurations by adding Core Switch 2/64 blades must ensure that all three power supply
FRUs are installed, because Core Switch 2/64 blades have greater power
requirements.
Table 6 Fabric OS area information
Fabric OS Area Description
Compatibility Sometimes in a mixed fabric of Fabric OS 4.x, 3.x, and 2.x, fabric
reconfiguration is caused by link reset on 3.x or 2.x. This happens only in a
fabric containing Fabric OS 3.x versions released earlier than 3.1.0 or
Fabric OS 2.x versions released earlier than 2.6.1 that are under heavy
traffic or CPU-intensive operations, such as large (50 KB) zone database
propagation. Use the latest revision of code across all releases in a mixed
fabric.
Ethernet port IP
addresses When a Core Switch 2/64 or SAN Director 2/128 fails over to its standby CP for any reason, the IP addresses for the two logical switches move to
that CP blade’s Ethernet port. This might cause informational ARP address
reassignment messages to appear on other switches in the fabric. This is
normal behavior, because the association between the IP addresses and
the MAC addresses has changed.
Firmware download During a firmware download, rebooting or power cycling the CPs could
corrupt the compact flash.
CAUTION: Do not attempt to power off the CP board during firmware
download, to avoid high risk of corrupting your flash.
Firmware download Fabric OS 4.1.x, 4.2.x, and 4.4.0b non-disruptive firmware download
allows for firmware downgrades and upgrades; however, you might see
warning messages like the following:
0x239 (fabos): Switch: 0, Info PDM-NOTFOUND, 4, File
not found
(/etc/fabos/mii.0.cfg)
These warnings can be ignored.

19Fabric OS 4.4.0f release notes
Firmware download:
boot ROM The boot ROM in Fabric OS 4.4.0 is automatically upgraded, by firmware download, to version 4.5.0 in all version 4.x switches. After it has
upgraded, the boot ROM will not downgrade if a firmware downgrade is
performed. This boot ROM version supports a redundant boot ROM
capability and redundant boot environments in the SAN Switch 4/32.
Firmware upgrade Fabric OS 4.x firmware upgrades include the release.plist file. There
is a separate release.plist file for each platform; the correct one is
automatically selected when the firmwareDownload command is
executed. Provide the full path name; do not attempt to locate the
release.plist file in the top-level directory.
HA switch reboot failure When a switch reboot or a failover occurs before POST is complete, the HA
resynchronization is disrupted. HA will not resynchronize until POST
completes.
CAUTION: To avoid disruptive failover, allow POST to complete before
performing a switch reboot or failover.
Invalid gateway IP
address error message The user will see the following message on the console during startup when the Ethernet IP and gateway IP addresses are set to the defaults:
SIOCADDRT: Invalid argument
.....
ip.c:311:Invalid gateway IP address 0.0.0.0
This is a display issue only and does not affect the functionality of the
switch.
IP address
CAUTION: Do not set a switch or CP IP address for the Ethernet interface
to 0.0.0.0.
Logging:
syslog.conf
In Fabric OS 4.x, the "kern" facility for syslog is no longer supported. You
must update all syslog.conf files to support local7 facilities. There is a
new syslogdFacility command to set the facility level that will be
used.
Table 6 Fabric OS area information (continued)
Fabric OS Area Description

Advanced Web Tools updates20
Logging: Solaris
syslogd local7 users When using the new syslogdFacility command to set the local7 level, if an even-numbered facility level is selected (for example, 0, 2, 4 or
6), all switch Critical system messages appear in the odd-numbered
.emerg facility level file on the target Solaris systems: for example,
local6.emerg will appear in local7.emerg if syslogd facility level 6
is selected.
This behavior is not observed when selecting an odd-numbered facility
level initially on the switch. The problem also does not occur on Linux
server systems and is currently under investigation with Sun. The immediate
workaround is to select an odd-numbered syslogd facility level when using
the syslogdFacility command.
Logging: supportFTP
command When setting the automatic FTP IP address, userid, password, and associated directory path for use with the supportFtp command, the
parameters are not checked immediately for validity. Generate a manual
trace dump to confirm the FTP transfer immediately. First, use
supportFtp to set up FTP parameters. Next, use traceFtp -e to
enable automatic transfer of the trace dumps. Finally, use the traceDump -n
command to create a dump. Confirm that the FTP transfer was successful.
Logging:
chassisName
command
Run the chassisName command before upgrading to Fabric OS 4.4.0b
so that any subsequent error messages related to the chassis and switch
services will be logged correctly to the system error log. For further
information, refer to the
HP StorageWorks Fabric OS 4.4.0b procedures
user guide.
Logging: errClear
command All error logs are persistent in Fabric OS 4.x, so the use of the errClear command must be carefully considered. All persistent errors (all messages)
are erased on version 4.4.0b switches, as opposed to just those in local
memory.
Ports on Demand The SAN Switch 4/32 with a 16-port factory configuration requires Ports
on Demand licenses to enable and use switch ports 16 through 31.
rsh and rlogin The programs rsh and rlogin are not supported. If you try to use an
rsh or rlogin client, Fabric OS rejects the login attempt; however,
because most rsh and rlogin clients continue to retry the login for
several seconds before timing out, your system appears to hang. Secure
connections are available via a Secure Shell (SSH).
Security: default
password length the initial login prompt for a switch accepts a maximum password length of eight characters. Any characters beyond the eighth are ignored.
Table 6 Fabric OS area information (continued)
Fabric OS Area Description