NEC Express5800/320Lb FT Linux Bedienungsanleitung

System Release Notes

Express5800/320Lb FT Linux

System Release Notes

PN: 455-01726-001

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PN: 455-01726-001 November 2004

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Express5800/320Lb FT Linux

System Release Notes

The Express5800/320Lb FT Linux System Release Notes provide up-to-date

information on your system. These notes also provide additional valuable

information about your system that was not included in the user’s guide at the

time of its release.

Please read these notes in their entirety.

CONTENTS

Introduction ............................................................................................................................................2

Operating System ...................................................................................................................................2

Advisories...............................................................................................................................................2

EXPRESSBUILDER .........................................................................................................................2

Notices, Limitations, and Restrictions....................................................................................................2

Notices ...............................................................................................................................................2

Limitations.........................................................................................................................................5

Restrictions.........................................................................................................................................5

2Express5800/320Lb System Release Notes

Introduction

These System Release Notes cover the following topics:

 Operating System

 Advisories

 Notices, Limitations, and Restrictions

Operating System

The following general comments apply to this server.

 Versions of the Network Operating Systems tested and recommended are:

⎯ FT Linux.

 Microsoft Windows® 2000, 2003 Enterprise Edition, and NT© 4.0 are not

supported.

Advisories

EXPRESSBUILDER

The following advisory applies to EXPRESSBUILDER.

 The version of EXPRESSBUILDER is specific to the operating system

supported. The appropriate EXPRESSBUILDER is shipped for the

configured operating system. If an operating system is not configured, use

the EXPRESSBUIDER appropriate for your installation.

 EXPRESSBUILDER 3.010 versions support FT Linux.

Notices, Limitations, and Restrictions

Notices

To achieve the fault tolerant function, the Express5800/320Lb FT Linux uses the software

whose functions for kernel and drivers have been improved from the regular Linux OS.

The following notices apply to the Express5800/320Lb FT Linux. Please read the list of

notices on the following pages carefully to ensure that they are followed.

Express5800/320Lb System Release Notes 3

List of Notices

Notices

1 Note on using the RPC port

For security reasons, the factory settings do not allow other machines to access

NEC Express5800/320Lb(-R) via the RPC port. With the factory settings, you

cannot use applications, such as NFS, that use the PRC port.

1) Configuration at the time of shipment and reinstallation

# /sbin/iptables -A INPUT -p tcp --dport 111 -i ! lo -j DROP

# /sbin/iptables -A INPUT -p udp --dport 111 -i ! lo -j DROP

2) Configuration File

The configuration is stored in the following file.

/etc/sysconfig/iptables

To use applications such as NFS, you need to permit the access via the RPC

port. See the following example and change the settings in

/etc/sysconfig/iptables to permit the access

[Example for changing the configuration]

To permit the access from a particular IP address only (e.g. 192.168.0.10):

# /sbin/iptables -I INPUT -p tcp --dport 111 -s 192.168.0.10 -j ACCEPT

# /sbin/iptables -I INPUT -p udp --dport 111 -s 192.168.0.10 -j ACCEPT

# /sbin/iptables-save > /etc/sysconfig/iptables

2 Note for reinstallation

Follow the steps described in the User’s Guide to perform reinstallation with the

backup CD-ROM (shipped with the NEC Express5800/ft series) and configure

settings after reinstallation. When you perform reinstallation, make sure to follow

the procedures for preparation described in “Linux Setup” of User’s Guide (Setup).

(Remove optional PCI boards and other peripheral devices. Insert one HDD to the

slot 1 of each PCI module. Use the CD-ROM drive in the group 1 of the PCI

module for reinstallation. If the power switch lamp of the group 2 is on, follow the

steps described in “Linux Setup” of User’s Guide (Setup) to turn on a power switch

lamp of the group 1.

3 Note on removing and inserting an internal hard disk

Contact your sales representative to replace an internal hard disk.

4 Note on replacing a CPU module and/or PCI module

Contact your sales representative to replace a CPU module and/or PCI module.

5 Note on returning a status with redundant CPU modules

When you restore the redundant status after stopping either of CPU modules due to

a system failure or replacement, the system may look stopped approximately for 5

seconds after the completion of the redundancy processing. This does not affect

operation of the system. If monitoring from a client machine by a timer is

performed for the process of accessing NEC Express5800/320Lb(-R) server, you

should make monitoring settings taking this duration of time into account.

4Express5800/320Lb System Release Notes

6 Note on accessing files in the /proc and /dev directory

An attempt to access a file in the following directories (by using a command, for

example) can cause failover of a CPU module and execution of memory dump

process. DO NOT attempt to access files in these directories.

/dev/mem

/proc/kcore

/proc/bus/

/proc/ft/bb/cpu[0,1]/dump

7 Note on the shutdown command

When you shutdown NEC Express5800/320Lb(-R) server using the shutdown

command, the following messages may appear after system’s “Power down” is

displayed. This does not affect the system operation.

FT[1] opstate UNKNOWN to INITIALIZING

FT[1] info unable to change led state for CRU

FT[1] opstate INITIALIZING to BROKEN DIAGNOSTICS_FAILED

8 Note on using the ft server utility

When you stop the primary PCI module or execute a dump function with the ft

server utility, the screen of the ft server utility may show a console message. This

does not affect the utility functions.

9 Note on updating the BMC firmware

When you update the BMC firmware by using the ft server utility, the LED on each

PCI module may turn red after the completion of update. This does not indicate

problems. You can see the update results at hist.log located in /usr/bmcfwupd.

10 Note on using the server switch unit

If the server switch unit is connected to a machine during reinstallation, configure

your mouse using the mouseconfig command when the reinstallation is completed,

and then startup the console mouse service (gpm).

11 Note on failure on PCI Module

When a failure occurs on the PCI module and the machine to which it is loaded is

automatically separated from the system, the display on the console screen may get

disturbed. This does not affect the function of devices.

12 Note on using Amanda command

To use amanda command of Linux for NEC Express5800/ft series, the version of

xinetd for Linux client must be 2.3.4 or later. If you are using xinetd earlier than

2.3.4, you need to update it.

13 Note on the “I/O error” display on the screen and registered in the log at the OS

startup

If a USB floppy disk drive is connected to the machine during OS startup, a

following message may appear on the screen and it can be registered in a log. This

does not indicate any problems on the system.

Partition Check:

Express5800/320Lb System Release Notes 5

sdg:<6> I/O error: dev **:**, Command ********, sector 0

I/O error : dev **:**, Command ********, sector 0

unable to read partition table

Limitations

The following limitations apply to the Express5800/320Lb FT Linux. Please read the

limitations below carefully to ensure that they are followed.

System Hardware

320Lb systems purchased with or previously running the Windows Operating

System cannot be loaded with the FT Linux Operating System. The following

conditions may occur:

 The system may hang after a PCI Module breaks and is restoring to service.

The root cause is due to insufficient decay of 3.3V during a 1 second power-off

cycle during the PCI module bring-up after a failure. This condition has been

corrected for new 320Lb systems purchased with the Windows Operating

System after mid-November 2004.

Note: This limitation does not apply on any

systems ordered and preloaded with FT Linux at the

factory.

Memory Limit

The FT Linux OS currently have a 3GB (6x512MB) memory upper limit.

Restrictions

The following limitations apply to the Express5800/320Lb FT Linux. Please read the

restrictions below carefully to ensure that they are followed.

List of Restrictions

Restrictions

1 LAN card that is not connected to the network

If LAN cards connected to the device are not used (i.e. cables are not connected),

the ports on those cards are recognized as BROKEN state, turning the status color

of data viewer ([FtServer]-[PCIModule]-[Ethernet board]) as well as Operation

Window to red (abnormal). Connect those LAN cards together using the LAN

cables (cross cable) to avoid this status.

2 X window

X window server cannot be operated. Use X terminal to operate X window client.

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