Fixstars Gigaaccel 180 User manual

IBM PowerXCell™8i Accelerator Board

GigaAccel 180

User’s Manual

Thank you for purchasing GigaAccel 180.

This “GigaAccel 180 User’s Manual” describes how to set up, configure, and

start up the GigaAccel 180.

Included accessories

Please confirm that the following items are included in the package.

(1) GigaAccel 180

(2) Serial cable

(3) Ethernet crossover cable

(4) Yellow Dog Enterprise Linux Install DVD

(For customers who bought the license)

Table of Contents

1 Introduction........................................................................ 1

2 Names of Each Parts ......................................................... 2

2.1 Interfaces...........................................................................................................................2

2.2 LED descriptions...............................................................................................................4

3 Connection of GigaAccel 180 ............................................. 5

3.1 Preparations......................................................................................................................5

3.2 Directions of connection....................................................................................................5

4 Installation of GigaAccel 180 (NFS) ............................... 8

4.1 Preparations......................................................................................................................8

4.2 Disable services.................................................................................................................8

4.3 Network settings...............................................................................................................9

4.4 Prepare to create boot image and disk image..................................................................9

4.5 Installation of necessary services.....................................................................................9

4.6 NFS service settings........................................................................................................10

4.7 DHCP service settings.....................................................................................................10

4.8 TFTP service settings......................................................................................................10

4.9 Restart GigaAccel 180.....................................................................................................11

4.10 Installation of Yellow Dog Enterprise Linux ...............................................................11

4.11 Start up GigaAccel 180 .................................................................................................12

4.12 Network installation of additional packages ...............................................................13

4.13 DVD installation of additional packages .....................................................................15

5 Installing GigaAccel 180 (CIFS)...................................... 17

5.1 Preparations....................................................................................................................17

5.2 Creating new account .....................................................................................................17

5.3 Network settings.............................................................................................................18

5.4 Firewall settings .............................................................................................................20

5.5 Create boot file and file system ......................................................................................20

5.6 Configuration of Folder Sharing ....................................................................................21

5.7 Installation of TFTP Service ..........................................................................................24

5.8 TFTP Service settings.....................................................................................................24

5.9 Installation of Terminal Software ..................................................................................26

5.10 Start up Terminal Software..........................................................................................26

5.11 Start up GigaAccel 180 .................................................................................................27

5.12 Network installation of additional packages ...............................................................28

5.13 DVD installation of additional packages .....................................................................30

6 Upgrading YDEL ............................................................. 31

7 Start Up PCI Express Driver (for Linux host)................ 32

7.1 PCI Express driver overview..........................................................................................32

7.2 Host machine set up......................................................................................................32

7.3 Start up PCI Express......................................................................................................33

7.4 Stop PCI Express driver .................................................................................................33

7.5 Reset PCI Express driver ...............................................................................................33

Appendix A – Installing GigaAccel 180 (Fedora7)................ 34

A.1 Preparations ...................................................................................................................34

A.2 Host settings...................................................................................................................34

A.3 Network settings ............................................................................................................35

A.4 Installation of necessary services ..................................................................................35

A.5 Prepare disk image.........................................................................................................35

A.6 NFS service settings .......................................................................................................36

A.7 Prepare the boot image ..................................................................................................36

A.8 DHCP service settings ....................................................................................................36

A.9 TFTP service settings .....................................................................................................37

A.10 Start up GigaAccel 180 ................................................................................................38

Appendix B – GigaAccel 180 Specifications ......................... 39

Appendix C – Using Serial Console ...................................... 41

Appendix D – Common Console Commands ........................ 42

Appendix E – Troubleshooting.............................................. 43

E.1 Connection troubleshooting ...........................................................................................43

E.2 Start up troubleshooting ................................................................................................43

E.3 Operational troubleshooting ..........................................................................................44

E.4 Console screen errors .....................................................................................................44

1 Introduction

GigaAccel 180 is an accelerator board based on IBM’s PowerXCell 8i

processor. The board has 4GB of DDR2 SDRAM, two 1 Gigabit Ethernet Ports,

one x16 PCI Express interface, and it can run Linux. This makes it possible to

put the vastly superior floating-point calculation capabilities of PowerXCell 8i

on a standard workstation. Since this accelerator board does not have a hard

disk drive, it network boots by obtaining the boot image from the boot server

through a TCP/IP network.

GigaAccel 180 System Block Diagram

GbE

Broadcom

BCM5704

IBM

South bridge

IBM

PowerXCell 8i

PCI-X

DDR2

SDRAM

x16 PCI Express

GbE

Broadcom

BCM5704

IBM

South bridge

IBM

PowerXCell 8i

PCI-X

DDR2

SDRAM

x16 PCI Express

2 Names of Each Parts

2.1 Interfaces

Main interfaces are as follows.

(1) x16 PCI Express: Connector to host machine

eth1

eth0

x16 PCI Express

Power port

Serial Port

eth1

eth0

x16 PCI Express

Power port

Serial Port

(2) eth0, eth1: Network interfaces

eth0 is used for network booting and hard disk mounting.

(3) Power port: Connector for AUX 12V 8-pin

This board is also compatible with 2x3 power connectors, please use the pins

outlined in blue when using a 2x3 connector.

eth1（T2）eth0（T1）eth1（T2）eth0（T1）

Power port (2x4pin)Power port (2x3pin) Power port (2x4pin)Power port (2x3pin)

(4) Serial port (3 pin): RS232C cable connector part

Pins are “T2OUT”, “GND”, and “R2IN” from top to bottom in the picture below.

2.2 LED descriptions

Various LEDs light up on the side of the board with Ethernet ports when

GigaAccel 180 is powered on. These LEDs indicate the current status of GigaAccel

180.

①②③④⑤⑥⑦

(1) eth1 activity light: Turns on or flashes when there is activity.

(2) eth2 link light: Turns on when cable is connected.

(3) eth0 activity light: Turns on or flashes when there is activity.

(4) eth0 link light: Turns on when cable is connected.

(5) Error light (orange light): Turns on when there is hardware error. Check

cable and other parts for interference.

(6) Normal status light (green light)

(7) Normal status light (green light)

Serial portSerial port

3 Connection of GigaAccel 180

This section explains the instructions for connecting GigaAccel 180 onto

the host machine. The target host machine must have a x16 PCI Express

interface (2 slots), and an AUX 12V 6-pin power connector for PCI Express.

3.1 Preparations

Prepare the following cables which are included in the packaging.

ySerial cable

yEthernet crossover cable

If possible, please work by using "Static electricity prevention wristband (SANWA

SUPPLY TK-SE6)" etc. to prevent damage due to static electricity when connecting

GigaAccel 180.

3.2 Directions of connection

(1) Connect the 3-pin end of the serial cable to the board’ serial port. 9-pin side

is put out from an empty slot to the outside of the host machine.

Serial connector(3-pin)

* Connect the marked end to the outside

Serial connector(9-pin)

[Note] If the host machine has no serial port(9-pin side), please connect the serial cable

to the USB port by using USB-serial conversion cable.

(2) Open the computer case, confirm that an x16 PCI Express slot is available,

then remove that slot cover and the slot cover below it.

(3) Insert GigaAccel 180 into the empty x16 PCI Express slot.

x16 PCI Express slot

[Note] PCI-express connectors must be handled with care. If the connector is not

installed firmly on the slot, GigaAccel180 may not function correctly.

(4) Attach the PCI Express AUX 12V 6-pin power connector to GigaAccel 180.

AUX12V 6-pin power connector

(5) Connect serial port (9pin) that was left outside of the host machine. When

you use USB-serial conversion cable, please connect it to the usb port on the

host machine.

SerialConnector(9pin)

(6) Connect the Ethernet cable (crossover) to the eth0 port of GigaAccel 180.

The port will be used for network booting and NFS mounting. In the following

picture, the host machine has DHCP server, TFTP server and NFS server.

GigaAccel 180 eth0 Host machine eth0

4 Installation of GigaAccel 180 (NFS)

This section describes how to create the GigaAccel 180 disk image and how

to install it to GigaAccel 180. If you are using an OS other than Yellow Dog

Enterprise Linux for GigaAccel 180, please skip this section.

Also, this instruction assumes that CentOS5.4 is installed on the host

machine (x86, 64 bit). For connecting GigaAccel 180, please refer to “3

Connection of GigaAccel 180”.

[Note] Ensure that the kernel version of the host machine is the latest version. This is

necessary for the PCI-Express driver.

4.1 Preparations

Prepare the following items for this section.

yYellow Dog Enterprise Linux for GigaAccel 180 Install DVD

yIP address for external network connection

Establish external network connection as described below. Have an IP address

ready for the host to make the external network connection.

“4.5 Installation of necessary services”

4.2 Disable services

Disable the host machine firewall.

# service iptables stop

# chkconfig iptables off

Disable SELinux on the host machine.

# setenforce 0

# vi /etc/selinux/config

(setting value)

SELINUX=disabled

4.3 Network settings

Perform host machine network configurations as follows. eth0 will be used for

communications (NFS mount, etc.) with GigaAccel 180. Assign the IP address

(192.168.2.10) beforehand.

# vi /etc/sysconfig/network-scripts/ifcfg-eth0

(setting value)

DEVICE=eth0

ONBOOT=yes

BOOTPROTO=static

IPADDR=192.168.2.10

NETMASK=255.255.255.0

4.4 Prepare to create boot image and disk image

Set the DVD (Yellow Dog Enterprise Linux for GigaAccel 180) into the host

machine.

Create the installer directory, and mount the DVD drive to the installer directory.

# mount /dev/cdrom /mnt -o ro

# mkdir -p /nfsroot/ydlinstaller

# mount /mnt/iso/ydel-X.X.X-cell.iso /nfsroot/ydlinstaller -o loop

Copy the installer boot image to “/tftpboot”.

# mkdir -p /tftpboot

# cp /nfsroot/ydlinstaller/images/netboot/ppc64.img /tftpboot

4.5 Installation of necessary services

Install necessary services which are dhcp, nfs-utils, rpcbind, xinetd, and tftp-server.

Also, enable these services to start automatically upon start up.

# yum install dhcp nfs-utils　rpcbind　xinetd　tftp-server

# chkconfig dhcpd on

# chkconfig xinetd on

# chkconfig nfs on

4.6 NFS service settings

Edit the NFS service configuration file as follows.

# vi /etc/exports

(setting value)

/nfsroot 192.168.2.11(rw,sync,no_root_squash,no_all_squash)

/nfsroot/ydlinstaller 192.168.2.11(rw,sync,no_root_squash,no_all_squash)

Restart the NFS services after editing the configuration file.

# service nfs restart

4.7 DHCP service settings

Edit the DHCP configuration file as follows.

# cp /usr/share/doc/dhcp-*/dhcpd.conf.sample /etc/dhcpd.conf

# vi /etc/dhcpd.conf

(setting value)

ddns-update-style ad-hoc;

subnet 192.168.2.0 netmask 255.255.255.0 {

host ga180 {

hardware ethernet 01:23:45:67:89:A0; ←GigaAccel 180 eth0 MAC address

fixed-address 192.168.2.11; ←IP address assigned to GigaAccel 180

next-server 192.168.2.10; ←IP address of TFTP server

filename “ppc64.img”; ←Boot image file name

}

GigaAccel 180 eth0 MAC address is printed on the side of GigaAccel 180 as “1ST

MAC:--- ”.

Set the DHCP service start up option as follows.

# vi /etc/sysconfig/dhcpd

(setting value)

DHCPDARGS=eth0

Restart the DHCP service after editing the configuration file.

# service dhcpd restart

4.8 TFTP service settings

Edit the xinetd configuration file as follows so that the TFTP service will start

automatically.

# vi /etc/xinetd.d/tftp

(setting value)

service tftp

{

disable = no ←change "yes" to "no"

(Do not change other parameters)

}

Restart xinetd after editing its configuration file.

# service xinetd restart

4.9 Restart GigaAccel 180

Restart GigaAccel 180 from the serial console (minicom). The serial baud rate is

115200. For serial console settings, please refer to “Appendix C – Using Serial

Console”.

Start up the serial console.

# minicom

Pressing ‘s’ while GigaAccel 180 is running will display the command prompt.

* When you configure the host machine, GigaAccel 180 may fail to boot. In this case,

press ‘Enter’ key and then the commad prompt is displayed.

Set the environment variables using the following command.

0 > setenv boot-file root=/dev/ram

Reboot GigaAccel 180.

0 > reboot

After the reboot is complete, Yellow Dog Enterprise Linux installer screen will be

displayed on screen.

* For the common console commands, please refer to “Appendix D – Common Console

Commands”.

4.10 Installation of Yellow Dog Enterprise Linux

About installation of Yellow Dog Enterprise Linux, refer to URL

http://us.fixstars.com/support/solutions/ydel_6.x/ydel_configure_host_nohd.sh

tml.

4.11 Start up GigaAccel 180

If the installation of GigaAccel 180 is complete, GigaAccel 180 will start up during

the host machine start up. Follow the instructions below to login to GigaAccel 180.

(1) Console login

Shortly after the host machine has started up the GigaAccel 180 OS will also

start up, and a login prompt appear in the console window. Then you can login

as follows.

Password: Password entered during installation process

* To login GigaAccel 180 and to operate, we recommend ssh login described in the

following.

(2) SSH login

Shortly after the host machine has started up the GigaAccel 180 OS will also

start up. After Giga Accel 180 has booted, you can perform SSH login.

Password: Password entered during installation process

Also, the current GigaAccel 180 status can be confirmed using serial console.

Please refer to “E.2 Start up troubleshooting” for troubleshooting.

4.12 Network installation of additional packages

This section describes how to network install using yum. Ensure that

configuration settings allow GigaAccel 180 to connect to an external network. Also,

make sure to have on hand the Yellow Dog Enterprise Linux user name and

password which were notified separately.

* To connect to the external network, login to GigaAccel 180, and then, configure

“/etc/sysconfig/network-scripts/ifcfg-eth1” file, activate eth1 (by “ifup eth1” command).

About setting, please refer to manual related to Linux.

Please input your Yellow Dog Enterprise Linux user name and password in

baseurl in the following 3 files. And then, please save them.

# vi /etc/yum.repos.d/yellowdog-base.repo

[base]

name=Yellow Dog Linux 6 Base

baseurl=http://USERNAME:PASSWORD@www.ydl.net/cell/yum/6.0/base/

enabled=1

gpgcheck=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY

# vi /etc/yum.repos.d/yellowdog-extras.repo

[extras]

name=Yellow Dog Linux 6 Extras

baseurl=http://USERNAME:PASSWORD@www.ydl.net/cell/yum/6.0/extras/

enable=1

gpgcheck=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY

# vi /etc/yum.repos.d/yellowdog-updates.repo

[updates]

name=Yellow Dog Linux 6 Updates

baseurl=http://USERNAME:PASSWORD@www.ydl.net/cell/yum/6.0/updates/

enabled=1

gpgcheck=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY

* In the above example, Yellow Dog Enterprise Linux user name is “USERNAME” and

password is “PASSWORD”.

Now, if your Network has proxy server, you need to configure the proxy server.

According to the enviroment of the proxy server, add the following.

# vi /etc/yum.conf

proxy=http://(PROXY Server Address):(Port Number)

proxy_username=(username for proxy server)

proxy_password=(password for proxy server)

Similarly, if you get the file by wget, it is necessary to configure the proxy server.

According to the enviroment of the proxy server, add the following.

# vi /etc/wgetrc

http_proxy=http://(PROXY Server Address):(Port Number)

proxy_user=(username for proxy server)

proxy_passwd=(password for proxy server)

After the configuration is complete, install package(s) with the yum command.

Install the necessary package(s) at this time. in the following example, the gcc

package is being installed.

# yum install gcc

4.13 DVD installation of additional packages

This section describes how to install packages from DVD using the yum command.

Ensure that the installer DVD is placed in the host machine DVD drive.

Create the mount directory on the host.

# mkdir -p /nfsroot/media/DVD

Add the following line to the NFS service configuration file.

# vi /etc/exports

(setting value)

#/nfsroot/media/DVD 192.168.2.11(rw,sync,no_root_squash,no_all_squash)

After editing the configuration file, restart the NFS service.

# service nfs restart

Mount the installer DVD and the installer image on the host.

# mount /dev/cdrom /mnt -o ro

# mount /mnt/iso/ydel-X.X.X-cell.iso /nfsroot/media/DVD -o loop

* The following actions will be performed on the GigaAccel 180.

Create the mount directory on the host.

# mkdir -p /media/DVD

Mount the installer DVD on the GigaAccel 180.

# mount 192.168.2.10:/nfsroot/media/DVD /media/DVD -o ro

Create the yum repo file.

# vi /etc/yum.repos.d/yellowdog-dvd.repo

[dvd]

name=Yellow Dog Linux DVD

baseurl=file:///media/DVD

enable=1

gpgcheck=0

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY

Disable other yum repo files.

# cd /etc/yum.repos.d

# mv yellowdog-base.repo yellowdog-base.repo.disabled

# mv yellowdog-extras.repo yellowdog-extras.repo.disabled

# mv yellowdog-updates.repo yellowdog-updates.repo.disabled

Install package(s) using the yum command. Install the necessary package(s) at

this time.

* In this example, the gcc package is installed.

# yum install gcc

Following the installation of necessary packages, unmount the installer DVD

from GigaAccel 180.

# umount /media/DVD

* The following actions will be performed on the host.

Comment out or delete the one line added to NFS service configuration file.

# vi /etc/exports

(setting value)

#/nfsroot/media/DVD 192.168.2.11(rw,sync,no_root_squash,no_all_squash)

After editing the configuration file, restart NFS service.

# service nfs restart

Unmount the installer image and the installer DVD from host.

# umount /nfsroot/media/DVD

# umount /mnt

Finally, remove the installer DVD from the DVD drive.

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