1024x768 Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE[root@rac2 ~]# /etc/init.d/iscsi start

Checking iscsi config: [FAILED]

檢查iscsi是否已經安裝

[root@testdb2 ~]# rpm -qa | grep iscsi

尚未安裝

[root@testdb2 ~]# yum install iscsi*

Setting up Install Process

Setting up repositories

Reading repository metadata in from local files

Parsing package install arguments

Resolving Dependencies

--&gt Populating transaction set with selected packages. Please wait.

---&gt Downloading header for iscsi-initiator-utils to pack into transaction set.

iscsi-initiator-utils-4.0 100% |=========================| 6.9 kB 00:00

---&gt Package iscsi-initiator-utils.i386 0:4.0.3.0-7 set to be updated

--&gt Running transaction check

--&gt Processing Dependency: libsysfs.so.1 for package: iscsi-initiator-utils

--&gt Restarting Dependency Resolution with new changes.

--&gt Populating transaction set with selected packages. Please wait.

---&gt Downloading header for sysfsutils to pack into transaction set.

sysfsutils-1.2.0-1.i386.r 100% |=========================| 4.0 kB 00:00

---&gt Package sysfsutils.i386 0:1.2.0-1 set to be updated

--&gt Running transaction check

Dependencies Resolved

=============================================================================

Package Arch Version Repository Size

=============================================================================

Installing:

iscsi-initiator-utils i386 4.0.3.0-7 yihaodian 92 k

Installing for dependencies:

sysfsutils i386 1.2.0-1 yihaodian 56 k

Transaction Summary

=============================================================================

Install 2 Package(s)

Update 0 Package(s)

Remove 0 Package(s)

Total download size: 148 k

Is this ok [y/N]: y

Downloading Packages:

(1/2): sysfsutils-1.2.0-1 100% |=========================| 56 kB 00:00

(2/2): iscsi-initiator-ut 100% |=========================| 92 kB 00:00

Running Transaction Test

Finished Transaction Test

Transaction Test Succeeded

Running Transaction

Installing: sysfsutils ######################### [1/2]

Installing: iscsi-initiator-utils ######################### [2/2]

Installed: iscsi-initiator-utils.i386 0:4.0.3.0-7

Dependency Installed: sysfsutils.i386 0:1.2.0-1

Complete! [root@rac2 ~]# rpm -qa | grep iscsi

iscsi-initiator-utils-4.0.3.0-8

[root@rac2 ~]# cat /etc/initiatorname.iscsi

GenerateName=yes

已經安裝成功，編輯檔案，加入儲存地址，預設埠號3260可以省略

[root@rac2 ~]# cat /dev/null > /etc/iscsi.conf

[root@rac2 ~]# vi /etc/iscsi.conf

DiscoveryAddress=*.*.*.*

重啟iscsi服務

[root@rac2 ~]# service iscsi restart

Searching for iscsi-based multipath maps

Found 0 maps

Stopping iscsid: iscsid not running

Checking iscsi config: [ OK ]

Loading iscsi driver: [ OK ]

Starting iscsid: [ OK ]

配置成功

[root@rac2 ~]# more /etc/initiatorname.iscsi

## DO NOT EDIT OR REMOVE THIS FILE!

## If you remove this file, the iSCSI daemon will not start.

## If you change the InitiatorName, existing access control lists

## may reject this initiator. The InitiatorName must be unique

## for each iSCSI initiator. Do NOT duplicate iSCSI InitiatorNames.

InitiatorName=iqn.1987-05.com.cisco:01.e94b10fc7a5e

配置iscsi隨機器開啟自動啟動

[root@rac2 ~]# chkconfig iscsi --list

iscsi 0:off 1:off 2:off 3:off 4:off 5:off 6:off

[root@rac2 ~]# chkconfig iscsi on

[root@rac2 ~]# chkconfig iscsi --list

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

[root@rac2 ~]# chkconfig multipathd --list

multipathd 0:off 1:off 2:off 3:off 4:off 5:off 6:off

[root@rac2 ~]# chkconfig multipathd on

[root@rac2 ~]# chkconfig multipathd --list

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

接下來連線到儲存頁面，新增lun group

建立了linux主機到儲存的關聯，接著建立一個lun

接著將其對映到剛剛新建的組中

重啟Linux的iscsi服務

[root@rac2 ~]# service iscsi restart

Searching for iscsi-based multipath maps

Found 0 maps

Stopping iscsid: [ OK ]

Removing iscsi driver: [ OK ]

Checking iscsi config: [ OK ]

Loading iscsi driver: [ OK ]

Starting iscsid: [ OK ]

可以透過fdisk –l看到剛剛新對映的lun

[root@rac2 ~]# fdisk -l

Disk /dev/sda: 898.3 GB, 898319253504 bytes

255 heads, 63 sectors/track, 109214 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/sda1 * 1 522 4192933+ 83 Linux

/dev/sda2 523 16840 131074335 82 Linux swap

/dev/sda3 16841 22062 41945715 83 Linux

/dev/sda4 22063 109214 700048440 5 Extended

/dev/sda5 22063 109214 700048408+ 83 Linux

Disk /dev/sdb: 209 MB, 209715200 bytes

7 heads, 58 sectors/track, 1008 cylinders

Units = cylinders of 406 * 512 = 207872 bytes

Disk /dev/sdb doesn't contain a valid partition table

編輯multipath.conf檔案，將下面一段記錄註釋

#devnode_blacklist {

# devnode "*"

#}

[root@rac2 ~]# multipath -F

[root@rac2 ~]# multipath -v2

create: mpath1 (360a9800050336d38565a63486f626370)

[size=200 MB][features="1 queue_if_no_path"][hwhandler="0"]

\_ round-robin 0 [prio=2]

\_ 9:0:0:1 sdb 8:16 [ready]

成功將Lun對映

[root@rac2 ~]# more /var/lib/multipath/bindings

# Multipath bindings, Version : 1.0

# NOTE: this file is automatically maintained by the multipath program.

# You should not need to edit this file in normal circumstances.

#

# Format:

# alias wwid

#

mpath0 36842b2b06e778700148674ea06677df0

mpath1 360a9800050336d38565a63486f626370—將mpath1改為ocr1

[root@rac2 ~]# cd /dev/mapper

[root@rac2 mapper]# multipath -F

[root@rac2 mapper]# multipath -v2

create: ocr1 (360a9800050336d38565a63486f626370)

[size=200 MB][features="1 queue_if_no_path"][hwhandler="0"]

\_ round-robin 0 [prio=2]

\_ 9:0:0:1 sdb 8:16 [ready]

[root@rac2 mapper]# ls -altr

total 0

brw-rw---- 1 root disk 253, 0 Apr 18 04:35 ocr1

drwxr-xr-x 2 root root 80 Apr 18 04:35 .

drwxr-xr-x 10 root root 6340 Apr 18 04:35 ..

crw------- 1 root root 10, 63 Apr 18 2011 control

編輯/etc/multipath.conf檔案，新增以下內容

multipaths {

multipath {

wwid 360a9800050336d38565a63486f626370

alias ocr1

path_grouping_policy multibus

path_checker readsector0

path_selector "round-robin 0"

failback manual

rr_weight priorities

no_path_retry 5

}

對剛剛載入的lun ocr1進行分割槽

[root@rac2 mapper]# fdisk ocr1

Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel

Building a new DOS disklabel. Changes will remain in memory only,

until you decide to write them. After that, of course, the previous

content won't be recoverable.

Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)

Command (m for help): p

Disk ocr1: 209 MB, 209715200 bytes

7 heads, 58 sectors/track, 1008 cylinders

Units = cylinders of 406 * 512 = 207872 bytes

Device Boot Start End Blocks Id System

Command (m for help): n

Command action

e extended

p primary partition (1-4)

p

Partition number (1-4): 1

First cylinder (1-1008, default 1): 1

Last cylinder or +size or +sizeM or +sizeK (1-1008, default 1008): +100M

Command (m for help): n

Command action

e extended

p primary partition (1-4)

p

Partition number (1-4): 2

First cylinder (483-1008, default 483):

Using default value 483

Last cylinder or +size or +sizeM or +sizeK (483-1008, default 1008):

Using default value 1008

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

WARNING: Re-reading the partition table failed with error 22: Invalid argument.

The kernel still uses the old table.

The new table will be used at the next reboot.

Syncing disks

然後重啟，重新啟動之後Linux才會真正能夠使用該分割槽

[root@rac2 mapper]# reboot

Broadcast message from root (pts/1) (Mon Apr 18 04:37:46 2011):

The system is going down for reboot NOW!

重啟完成，配置raw對映

[root@rac2 ~]# vi /etc/sysconfig/rawdevices

/dev/raw/raw1 /dev/mapper/ocr1p2

/dev/raw/raw2 /dev/mapper/ocr2p2

/dev/raw/raw3 /dev/mapper/vote1p2

/dev/raw/raw4 /dev/mapper/vote2p2

/dev/raw/raw5 /dev/mapper/vote3p2

/dev/raw/raw6 /dev/mapper/datap1

/dev/raw/raw7 /dev/mapper/recoveryp1

然後開啟rawdevicesfuw

[root@rac1 ~]# service rawdevices restart

Assigning devices:

/dev/raw/raw1 --&gt /dev/mapper/ocr1p2

/dev/raw/raw1: bound to major 253, minor 18

/dev/raw/raw2 --&gt /dev/mapper/ocr2p2

/dev/raw/raw2: bound to major 253, minor 8

/dev/raw/raw3 --&gt /dev/mapper/vote1p2

/dev/raw/raw3: bound to major 253, minor 15

/dev/raw/raw4 --&gt /dev/mapper/vote2p2

/dev/raw/raw4: bound to major 253, minor 17

/dev/raw/raw5 --&gt /dev/mapper/vote3p2

/dev/raw/raw5: bound to major 253, minor 16

/dev/raw/raw6 --&gt /dev/mapper/datap1

/dev/raw/raw6: bound to major 253, minor 10

/dev/raw/raw7 --&gt /dev/mapper/recoveryp1

/dev/raw/raw7: bound to major 253, minor 13

done

[root@rac1 raw]# chown -R oracle:oinstall /dev/raw/*

[root@rac1 raw]# chmod -R 660 /dev/raw/*

[root@rac1 raw]# vi /etc/udev/permissions.d/50-udev.permissions

# raw devices

ram*:oracle:dba:0660

raw/*:oracle:dba:0660

[root@rac2 ~]# chkconfig --list rawdevices

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

[root@rac2 ~]# chkconfig rawdevices on

[root@rac2 ~]# chkconfig --list rawdevices

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

儲存配置完成了，開始安裝oracle

1 配置/etc/hosts

2 配置使用者等價性

3 配置系統引數

4 安裝clusterware

預先檢查[oracle@rac1 cluvfy]$ ./runcluvfy.sh stage -pre crsinst -n rac1,rac2 –verbose

OraCrs10g_home

/home/oracle/oracle/product/10.2.0/crs

最後執行root.sh的時候一直不成功

[root@rac1 bin]# ./clsfmt.bin ocr /dev/raw/raw1

clsfmt: Failure trying to resize OCR file from 109340672 bytes to 109342720 bytes

clsfmt: Received unexpected error 4 from skgfifi

skgfifi: Additional information: -2

Additional information: 109340672

經查證是bug http://blog.csdn.net/tianlesoftware/archive/2010/11/27/6039210.aspx

[oracle@rac1 ~]$ unzip p4679769_10201_Linux-x86-64.zip

Archive: p4679769_10201_Linux-x86-64.zip

creating: 4679769/

inflating: 4679769/README.txt

inflating: 4679769/clsfmt.bin

[oracle@rac1 ~]$ cp 4679769/clsfmt.bin /home/oracle/oracle/product/10.2.0/crs/bin/

[root@rac1 bin]# ./clsfmt.bin ocr /dev/raw/raw1

clsfmt: Failure trying to resize OCR file from 109340672 bytes to 109342720 bytes

clsfmt: successfully initialized file /dev/raw/raw1

執行vipca

執行runinstall安裝資料庫軟體

升級至10205

接下來的事情就一帆風順了

linux配置multipath 並安裝rac

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