Vmware Workstation + Suse Linux 11 SP3 + db2 purescale V10.5 (五)

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Vmware Workstation + Suse Linux 11 SP3 + db2 purescale V10.5 (五)

2024-10-05 20:41:01 215人阅读

本文详细记录了DB2 purescale 10.5在VMware Workstation 上的安装过程，如果大家看了本人的博文后，实践过程中有什么问题，欢迎加本人微信84077708，我将尽我所能为大家解惑。

在上一篇博文Vmware Workstation + Suse Linux 11 SP3 + db2 purescale V10.5 (四)中，已经将操作系统上的绝大部分配置都已经做完了，本文继续进行余下的三个重要的配置，分别是：

1、iscsi服务器配置

2、iscsi客户端配置

3、ssh用户免密登陆配置

一、iscsi服务器配置（node01)

因为在前面创建虚拟机以及为虚拟机安装操作系统的过程中，已经说明了，将node01配置为iscsi服务器，将node01和node02配置为iscsi客户端。具体配置如下：

iscsi服务器端的配置文件为/etc/ietd.conf （node01虚拟机上)，在文件末尾加上以下内容：

Target iqn.2012-06.com.ibm:pureScaleDisk01

Lun 0 Path=/dev/sda3,Type=fileio,ScsiId=3456789012,ScsiSN=456789012

Target iqn.2012-06.com.ibm:pureScaleDisk02

Lun 1 Path=/dev/sda4,Type=fileio,ScsiId=1234567890,ScsiSN=345678901

二、iscsi客户端配置(node01 , node02)

配置文件为/etc/init.d/iscsiclient (该文件默认不存在，需要手动创建），文件内容如下：

#! /bin/sh

### BEGIN INIT INFO

# Provides: iscsiclsetup

# Required-Start: $network $syslog $remote_fs smartd

# Required-Stop:

# Default-Start: 3 5

# Default-Stop: 0 1 2 6

# Description: ISCSI client setup

### END INIT INFO

IPLIST="192.168.142.101"

# Shell functions sourced from /etc/rc.status:

# rc_check check and set local and overall rc status

# rc_status check and set local and overall rc status

# rc_status -v ditto but be verbose in local rc status

# rc_status -v -r ditto and clear the local rc status

# rc_failed set local and overall rc status to failed

# rc_reset clear local rc status (overall remains)

# rc_exit exit appropriate to overall rc status

. /etc/rc.status

# catch mis-use right here at the start

if [ "$1" != "start" -a "$1" != "stop" -a "$1" != "status" -a "$1" != "restart" -a "$1" != "rescan" -a "$1" != "mountall" ]; then

echo "Usage: $0 {start|stop|status|restart|rescan|mountall}"

exit 1

# First reset status of this service

rc_reset

iscsimount() {

rc_reset

echo -n "Mounting $1: "

/usr/lpp/mmfs/bin/mmmount $1

rc_status -v

return $?

}

iscsiumount() {

rc_reset

echo -n "Umounting $1: "

/usr/lpp/mmfs/bin/mmumount $1

rc_status -v

return $?

}

iscsicheck() {

rc_reset

echo -n "Verify if $1 is mounted: "

mount | grep "on $1\b" > /dev/null

rc_status -v

return $?

}

iscsimountall() {

# Find all fstab lines with gpfs as fstype

for mountpoint in `grep "gpfs" /etc/fstab | awk ‘{print $2}‘`

# Only try to mount filesystems that are not currently mounted

if ! mount | grep "on $mountpoint\b" > /dev/null

then

iscsimount $mountpoint || overallstatus=$?

done

return $overallstatus

}

iscsiumountall() {

# Find all fstab lines with gpfs as fstype

for mountpoint in `grep "gpfs" /etc/fstab | awk ‘{print $2}‘`

# Only try to umount filesystems that are currently mounted

if mount | grep "on $mountpoint\b" > /dev/null

then

iscsiumount $mountpoint || overallstatus=$?

done

return $overallstatus

}

iscsicheckall() {

# Find all fstab lines with gpfs as fstype

for mountpoint in `grep "gpfs" /etc/fstab | awk ‘{print $2}‘`

iscsicheck $mountpoint || overallstatus=$?

done

return $overallstatus

}

case "$1" in

start)

modprobe -q iscsi_tcp

iscsid

for IP in $IPLIST

ping -q $IP -c 1 -W 1 > /dev/null

RETURN_ON_PING=$?

if [ ${RETURN_ON_PING} == 0 ]; then

ISCSI_VALUES=`iscsiadm -m discovery -t st -p $IP \

| awk ‘{print $2}‘ | uniq`

if [ "${ISCSI_VALUES}" != "" ] ; then

for target in $ISCSI_VALUES

echo "Logging into $target on $IP"

iscsiadm --mode node --targetname $target \

--portal $IP:3260 --login

done

else

echo "No iscsitarget were discovered"

else

echo "iscsitarget is not available"

done

if [ ${RETURN_ON_PING} == 0 ]; then

if [ "${ISCSI_VALUES}" != "" ] ; then

/usr/lpp/mmfs/bin/mmstartup -a &> /dev/null

iscsimountall

;;

stop)

for IP in $IPLIST

ping -q $IP -c 1 -W 1 > /dev/null

RETURN_ON_PING=$?

if [ ${RETURN_ON_PING} == 0 ]; then

ISCSI_VALUES=`iscsiadm -m discovery -t st --portal $IP \

| awk ‘{print $2}‘ | uniq`

if [ "${ISCSI_VALUES}" != "" ] ; then

for target in $ISCSI_VALUES

echo "Logging out for $target from $IP"

iscsiadm -m node --targetname $target \

--portal $IP:3260 --logout

done

else

echo "No iscsitarget were discovered"

done

if [ ${RETURN_ON_PING} == 0 ]; then

if [ "${ISCSI_VALUES}" != "" ] ; then

iscsiumountall

;;

status)

echo "Running sessions"

iscsiadm -m session -P 1

iscsicheckall

rc_status -v

;;

rescan)

echo "Perform a SCSI rescan on a session"

iscsiadm -m session -r 1 --rescan

rc_status -v

;;

mountall)

iscsimountall

rc_status -v

;;

restart)

## Stop the service and regardless of whether it was

## running or not, start it again.

$0 stop

$0 start

;;

echo "Usage: $0 {start|stop|status|restart|rescan|mountall}"

exit 1

esac

rc_status -r

rc_exit

到此，iscsi服务器和 iscsi客户端就配置完成了。接着执行以下命令，将iscsitarget服务和iscsiclient服务设置为开机自动启动。

node01:/etc/init.d # chkconfig -a iscsitarget

iscsitarget 0:off 1:off 2:off 3:on 4:off 5:on 6:off

node01:/etc/init.d # chkconfig -a iscsiclient

iscsiclient 0:off 1:off 2:off 3:on 4:off 5:on 6:off

node02:~ # chkconfig -a iscsiclient

iscsiclient 0:off 1:off 2:off 3:on 4:off 5:on 6:off

三、ssh用户免密登陆配置

root用户免密登陆：

node01:~ # ssh-keygen -t dsa

node01:~ # ssh-keygen -t rsa

node02:~ # ssh-keygen -t dsa

node02:~ # ssh-keygen -t rsa

node01:~ # cd .ssh

node01:~/.ssh # cat id_dsa.pub >> authorized_keys

node01:~/.ssh # cat id_rsa.pub >> authorized_keys

node01:~/.ssh # scp authorized_keys root@node02:~/.ssh/

node02:~ # cd .ssh

node02:~/.ssh # cat id_dsa.pub >> authorized_keys

node02:~/.ssh # cat id_rsa.pub >> authorized_keys

node02:~/.ssh # scp authorized_keys root@node01:~/.ssh/

node01:~ # ssh node01 date

node01:~ # ssh node02 date

node01:~ # ssh node01.purescale.ibm.local date

node01:~ # ssh node02.purescale.ibm.local date

node02:~ # ssh node01 date

node02:~ # ssh node02 date

node02:~ # ssh node01.purescale.ibm.local date

node02:~ # ssh node02.purescale.ibm.local date

db2sdin1用户免密登陆：

db2sdin1@node01:~> ssh-keygen -t dsa

db2sdin1@node01:~> ssh-keygen -t rsa

db2sdin1@node02:~> ssh-keygen -t dsa

db2sdin1@node02:~> ssh-keygen -t rsa

db2sdin1@node01:~> cd .ssh

db2sdin1@node01:~/.ssh> cat id_dsa.pub >> authorized_keys

db2sdin1@node01:~/.ssh> cat id_rsa.pub >> authorized_keys

db2sdin1@node01:~/.ssh> scp authorized_keys db2sdin1@node02:~/.ssh/

db2sdin1@node02:~> cd .ssh

db2sdin1@node02:~/.ssh> cat id_dsa.pub >> authorized_keys

db2sdin1@node02:~/.ssh> cat id_rsa.pub >> authorized_keys

db2sdin1@node02:~/.ssh> scp authorized_keys db2sdin1@node01:~/.ssh/

db2sdin1@node01:~> ssh node01 date

db2sdin1@node01:~> ssh node02 date

db2sdin1@node01:~> ssh node01.purescale.ibm.local date

db2sdin1@node01:~> ssh node02.purescale.ibm.local date

db2sdin1@node02:~> ssh node01 date

db2sdin1@node02:~> ssh node02 date

db2sdin1@node02:~> ssh node01.purescale.ibm.local date

db2sdin1@node02:~> ssh node02.purescale.ibm.local date

到此，Suse Linux 11SP3操作系统上的所有配置就基本配置完成了，但是此时还不能安装DB2 purescale，因为还有一些比较细致的东西在安装前需要进行配置，否则安装会失败。关于这些内容，请参阅《Vmware Workstation + Suse Linux 11 SP3 + db2 purescale V10.5 (六)》

本文出自 “涛哥的回忆” 博客，谢绝转载！

Vmware Workstation + Suse Linux 11 SP3 + db2 purescale V10.5 (五)

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Vmware Workstation + Suse Linux 11 SP3 + db2 purescale V10.5 (五)

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